ZJHP compact pneumatic diaphragm single-seated regulating valve is an industrial automation control unit composed of a high-performance multi-spring pneumatic diaphragm actuator and a compact streamlined single-seated valve body. Equipped with an electro-pneumatic valve positioner or an intelligent positioner, the valve can receive 4-20mA DC standard analog signals from DCS or PLC systems. It utilizes compressed air as a power source to achieve precise control of process parameters. The actuator features a multi-spring design that accurately converts air pressure signals into valve stem thrust, driving the single-seated globe-style valve plug in a linear reciprocating motion within the valve body. Due to the single-seated sealing structure and precision-machined internal components, this series of valves features minimal leakage, tight shut-off performance, high adjustment precision, small size, and light weight. With its compact structure and low flow resistance, it is widely used in automation control systems requiring strict shut-off and precise regulation in process industries such as petroleum, chemicals, light industry, pharmaceuticals, and HVAC, serving as efficient and reliable execution equipment for modern industrial fluid control.Product Image: ZJHP Compact Pneumatic Diaphragm Single-seated Regulating Valve 1.Efficient multi-spring pneumatic drive:Equipped with a compact multi-spring pneumatic diaphragm actuator, the overall height and weight are significantly reduced. Combined with an electro-pneumatic or intelligent positioner, it can accurately receive 4-20mA signals to achieve extremely high linearity and repeatable positioning accuracy.2.Excellent shut-off sealing performance:Utilizing a single-seated sealing structure, the valve plug and seat sealing surfaces undergo high-precision grinding. The leakage rate is extremely low, easily reaching ANSI Class IV or VI (bubble-tight) sealing standards, making it the preferred execution unit for tight shut-off conditions.3.Streamlined low-flow resistance path:The internal valve body adopts an S-shaped streamlined equal cross-section flow path design with a smooth internal cavity. While ensuring a large flow coefficient (Kv value), it effectively reduces pressure loss and disturbance as the medium passes through, ensuring smoother operation.4.Precision top-guiding system:Features a robust top-guided structure with sufficient guiding area and accurate positioning. The valve stem maintains excellent concentricity throughout the entire stroke, effectively suppressing mechanical vibration caused by high-speed medium erosion and significantly extending packing seal life.5.Lightweight compact design:Compared to traditional pneumatic control valves, the compact structure reduces volume by approximately 30% and weight by approximately 30%. This design not only saves installation space but also significantly lightens the pipeline load and reduces the strength requirements for supports.6.Intrinsic safety and fail-safe reset:The adjustment process requires no electrical signals to enter hazardous areas (mechanical action), providing inherent explosion-proof safety. Based on process safety requirements, "air-to-close" or "air-to-open" configurations can be selected to automatically reset to a safety position upon power air source failure.7.Wide material adaptability:Valve bodies are available in materials such as cast steel (WCB) and stainless steel (CF8/CF8M/CF3M). Internal parts can be customized with hardening, Stellite overlay, or PTFE lining based on actual conditions to handle high temperatures, low temperatures, and various corrosive chemical media.8.Convenient modular maintenance:The overall structure is refined with high component interchangeability. Adopting a top-entry assembly and disassembly structure, online inspection and replacement of the valve plug and seat can be performed by vertically extracting the actuator without removing the valve from the pipeline, significantly shortening maintenance cycles.

ZMA/BN pneumatic diaphragm straight-through double-seated regulating valve is an industrial process control execution unit composed of a multi-spring pneumatic diaphragm actuator and a straight-through double-seated balanced valve body. The valve receives pneumatic signals from the control system or analog current signals (4-20mA) via a positioner to convert air pressure into linear displacement of the actuator stem, driving the valve stem to move the upper and lower plugs relative to the seats. Due to the double-plug structure, the fluid forces acting on the upper and lower plugs are opposite in direction and similar in magnitude, allowing most of the unbalanced force to be offset. Consequently, this valve features high allowable pressure differential, large flow capacity, and excellent dynamic stability, making it particularly suitable for industrial automation systems with high flow rates, high pressure drops, and relatively relaxed leakage requirements.Product Image of ZMA/BN Pneumatic Diaphragm Straight-through Double-seated Regulating Valve 1. Excellent force balance performance:The dual-seat plug design utilizes the principle of mutual cancellation of unbalanced forces generated by the medium pressure on the upper and lower plugs, significantly reducing the required output thrust of the actuator and allowing the valve to easily handle high pressure drop conditions.2.Significant flow capacity:The straight-through double-port flow path design provides a larger flow coefficient (Kv value) than a single-seated valve of the same nominal diameter, enabling more efficient handling of high-volume industrial fluid delivery.3.Strong dynamic stability:Due to the minimal unbalanced force, the valve plug experiences low fluid disturbance during regulation, effectively suppressing mechanical vibration and fluid noise for smooth operation.4.Flexible and safe drive modes:Equipped with high-performance pneumatic diaphragm actuators, the valve can be configured as air-to-open (ZMAN, fail-close) or air-to-close (ZMBN, fail-open) to ensure system safety in the event of air supply failure.5.Intrinsic explosion-proof safety:The adjustment process is driven by compressed air without electrical sparks, offering inherent safety attributes ideal for petrochemical, gas, and other flammable or explosive environments.6.Mature and durable structure:Utilizing classic top and side guiding structures, the components offer excellent interchangeability. Precision-machined plugs and seats with various material options can adapt to water, oil, steam, and general corrosive media.7.Various bonnet types:Standard, extended (radiator type), or bellows-sealed bonnets can be provided based on medium temperature to meet wide temperature ranges and strict sealing requirements for toxic or volatile media.8.Convenient maintenance:Key internals adopt a standardized design, making disassembly, cleaning, and replacement of wearing parts relatively easy, ensuring long-term continuous operation while reducing comprehensive maintenance costs.

ZJHM compact pneumatic diaphragm cage-guided control valve is an industrial automation control unit consisting of a high-performance multi-spring pneumatic diaphragm actuator and a compact pressure-balanced cage-style valve body. The valve receives standard analog signals such as 4-20mA DC from control systems (such as PLC, DCS). Through an electro-pneumatic valve positioner, it converts the control signals into pneumatic power, driving the multi-spring actuator to generate linear thrust, which moves the balanced valve plug within the cage vertically. Due to the pressure balance hole design of the valve plug, the fluid-induced unbalanced forces acting on the plug are effectively offset. This series of valves features excellent dynamic stability, high allowable pressure differential, low operating noise, and a compact, lightweight design. It is widely used in industries such as petroleum, chemical, pharmaceutical, metallurgical, and power for automation control systems that demand high pressure drops, large flow rates, and high dynamic response.Product Image of ZJHM Compact Pneumatic Diaphragm Cage-Guided Control Valve1.Pressure-balanced valve plug structure:The valve plug is equipped with precision pressure balance holes, utilizing the medium's own pressure to offset the unbalanced force before and after the valve. This significantly reduces the driving force required by the actuator, allowing stable control of high-pressure differential fluids with a smaller actuator size.2.Excellent dynamic stability:Utilizing cage side-guiding technology, the guiding surface is precise and uniformly stressed. This structure effectively suppresses vibration and high-frequency whistling generated by high-speed fluids passing through the throttling windows, maintaining stable regulation even under large pressure fluctuations.3.Compact and lightweight design:Adopting integrated structural optimization and a multi-spring pneumatic actuator, the overall height and weight are significantly reduced (by approximately 30%) compared with traditional pneumatic control valves. This saves installation space and significantly reduces the mechanical load on the pipeline.4.Superior noise and cavitation resistance:The throttling design of the cage window complies with fluid dynamics principles, effectively guiding the flow and dissipating kinetic energy in stages. Compared with single-seated valves, it offers better noise reduction and stronger cavitation resistance, extending the service life of internal components.5.High-precision pneumatic drive:Equipped with a multi-spring pneumatic diaphragm actuator, providing large output thrust and excellent linearity. Combined with an intelligent valve positioner, it achieves minimal dead zones and high-precision repeatable positioning, ensuring stable and accurate process parameters.6.Intrinsically safe and explosion-proof:Driven by an air source, the adjustment process involves no risk of electrical sparks, providing inherent safety attributes. It supports a choice of "air-to-open" or "air-to-close" types, automatically resetting to a safety position in the event of a power air source failure.7.Wide material adaptability:Valve bodies are available in cast steel (WCB), stainless steel (CF8/CF8M), and high-temperature alloys. Cages and plugs can undergo surface hardening or Stellite overlay based on working conditions to handle steam, oil, and general corrosive media effectively.8.Modular online rapid maintenance:Utilizing a top-pressed bonnet structure. Maintenance can be performed without removing the valve body from the pipeline by simply extracting the actuator and valve cover to achieve modular replacement of the cage, plug, and seals, significantly shortening maintenance downtime.

ZAZP electric compact single-seated regulating valve is an industrial automation control valve composed of a new generation of compact electronic linear actuators and a straight-through single-seated globe-style valve body. This product has undergone structural optimization based on traditional electric regulating valves, significantly reducing the overall height and weight (typically by more than 30%), making it more suitable for modern automated pipelines with limited space or strict load requirements. The valve receives standard analog signals of 4-20mA DC or 1-5V DC from control systems (such as PLC, DCS) and relies on the built-in servo amplification system to precisely control the linear displacement of the actuator, driving the valve plug to move accurately relative to the seat. Due to its single-seated sealing structure and precision-machined internal components, the valve features minimal leakage, extremely high adjustment precision, and rapid response, making it an ideal execution unit for automation control systems in fine chemicals, pharmaceuticals, food, and HVAC.Product Image of ZAZP Electric Compact Single-Seated Regulating Valve Feature1.Compact and lightweight design:The integrated structural design greatly reduces height and weight. This installation not only saves space but also significantly lightens the support pressure on the pipeline, facilitating layout in narrow or compact industrial environments.2.Bubble-tight sealing:The single-seated plug design, combined with a precision-ground sealing surface, ensures exceptional shut-off performance. The sealing level can reach Class IV (metal-to-metal) or Class VI (bubble-tight soft seal), making it particularly suitable for conditions requiring strict internal leakage control.3.High-precision regulation performance:The valve body flow path is an S-shaped equal cross-section, effectively reducing fluid resistance loss. The valve plug profile provides equal percentage or linear characteristics, ensuring smooth adjustment, small dead zones, and high repeatability for continuous proportional fine-tuning of fluid parameters.4.Intelligent electronic drive system:Equipped with a high-performance electronic linear actuator with a built-in intelligent servo amplification module, eliminating the need for an external servo amplifier. It features self-diagnosis and self-calibration functions with strong anti-interference capability.5.Large driving torque and self-locking:The actuator outputs strong thrust and possesses a natural mechanical self-locking function. In the event of power failure or signal loss, the valve remains in its current position, effectively preventing valve position drift caused by medium pressure fluctuations.6.Comprehensive intelligent protection:The actuator features built-in electronic stroke limits, overload torque protection, over-temperature protection, and phase loss protection logic. It supports fail-safe pre-setting (full close, full open, or fail-in-place) during control signal failure.7.Wide material adaptability:The valve body is available in cast steel (WCB), stainless steel (CF8/CF8M/CF3M), and high-temperature steel. Internal parts can be hardened or PTFE-lined, adapting to steam, water, oil, and various corrosive chemical media.8.Convenient maintenance and low cost:The structure is simple with few internal parts. The top-pressed bonnet design allows for quick inspection and replacement of the valve plug, seat, and packing without removing the valve body, significantly reducing system maintenance expenses.

ZAZN electric straight-through double-seated regulating valve is an industrial automation control valve composed of a linear electric actuator and a straight-through double-seated balanced valve body. By receiving standard analog signals (4-20mA DC or 0-10V DC) from control systems such as PLC or DCS, the valve accurately converts electrical energy into axial thrust. This thrust drives the valve stem, moving the upper and lower valve plugs relative to the seats. Due to the double-plug structure, the forces acting on the upper and lower plugs from the medium are opposite in direction and similar in magnitude, allowing most of the unbalanced force to be offset. Consequently, this valve features a large allowable pressure differential, high flow capacity, and excellent vibration resistance, making it particularly suitable for industrial process control systems with high flow rates, high pressure drops, and relatively relaxed leakage requirements.Product Image of ZAZN Electric Straight-through Double-seated Regulating Valve Feature1.Excellent force balance characteristics:The dual-seat plug design utilizes the opposing thrust generated by the fluid on the upper and lower plugs to balance the forces, significantly reducing the output thrust required from the actuator. Under the same configuration, its allowable working pressure differential is much higher than that of a single-seated regulating valve.2.High flow capacity:The valve body features a dual-channel flow path design. For the same nominal diameter, its rated flow coefficient (Kv value) is larger than that of a single-seated valve, allowing it to handle high-flow conditions more effectively.3.Strong dynamic stability:Due to the low unbalanced force, the valve plug experiences minimal fluid disturbance during operation, effectively suppressing vibration and whistling during opening or regulation for smoother performance.4.Integrated intelligent drive:Equipped with a high-performance electric actuator with an integrated electronic servo control system. It supports features such as fail-in-place upon signal loss, stroke limiting, and thermal overload protection, requiring no external air supply and offering simple wiring and easy maintenance.5.Precise regulation characteristics:The valve plug profile is precisely calculated and machined to provide various flow characteristic options, such as equal percentage or linear, ensuring the control loop maintains high linearity and repeatability even under high load fluctuations.6.Wide environmental adaptability:Valve body materials are available in cast iron (HT200), cast steel (WCB), and stainless steel (CF8/CF8M). The actuator has a high protection rating, making it suitable for harsh industrial sites such as outdoor, high-temperature, or humid environments.7.Self-locking and fail-safe protection:The electric drive mechanism possesses natural mechanical self-locking characteristics, maintaining the current valve position instantly upon power failure to ensure process continuity and safety.8.Mature and reliable structure:Adopts a classic guiding structure with excellent component interchangeability. Different valve bonnets, such as standard, extended (radiator type), or bellows-sealed types, can be selected according to the medium temperature to meet diverse needs.

ZAZM electric compact cage guided control valve is an industrial automation control valve composed of a new generation of compact electronic electric actuators and cage-guided pressure-balanced valve bodies. The product adopts a compact structural optimization scheme. While maintaining high-performance regulation capabilities, its overall height and weight are reduced by more than 30% compared with traditional models. The valve receives standard analog signals of 4-20mA DC or 1-5V DC from control systems (such as PLC, DCS) and relies on the built-in servo amplification system to drive the valve stem, moving the balanced valve plug within the cage axially. Due to the pressure balance hole design of the valve plug, most of the unbalanced force generated by the fluid is effectively offset, providing excellent dynamic operation stability and a large allowable pressure differential. The ZAZM model integrates flow control, pressure regulation, and noise reduction performance, making it an ideal choice for industries such as petroleum, chemical, pharmaceutical, and energy to handle high pressure differentials and conditions with strict requirements for control precision.Product Image of ZAZM Electric Compact Cage Guided Control Valve Feature1. Compact structural design:The valve body and actuator adopt a lightweight and integrated design, featuring small installation space and light weight. This significantly reduces the strength requirements for the pipeline support system and is particularly suitable for compact modular pipeline layouts.2.Pressure-balanced valve plug structure:The valve plug is equipped with special balance holes to offset the unbalanced force of the medium acting on the plug in real-time. This feature allows the actuator to achieve stable control of high-pressure differential fluids with minimal thrust.3.Excellent dynamic stability:Utilizing cage side-guiding technology, the large and precise guiding area effectively suppresses vibration and high-frequency whistling caused by medium erosion during the opening process, ensuring stable and reliable operation.4.Superior noise and cavitation resistance:The flow path design of the cage window effectively changes the fluid velocity distribution, providing pressure reduction and energy dissipation. This significantly reduces operating noise and improves the service life of the valve under harsh conditions.5.High-precision intelligent drive:Equipped with a high-performance electronic linear actuator with a built-in intelligent servo circuit. It features automatic calibration, zero/full-scale fine-tuning, and fault self-diagnosis functions with high adjustment sensitivity.6.Reliable sealing performance:Available in various sealing forms, including metal hard seal (Class IV) and soft seal (Class VI/bubble-tight). The sealing surface material is reinforced for erosion and wear resistance.7.Comprehensive safety protection:The actuator features overload protection, stall alarm, and stroke limit functions. It supports fail-safe pre-setting (full open, full close, or fail-in-place) upon control signal interruption to ensure system safety.8.Modular rapid maintenance:Adopting a top-entry assembly and disassembly structure. During internal cleaning or replacement of wearing parts (such as cages and seals), there is no need to remove the valve body from the pipeline, greatly improving maintenance efficiency.

ZDLP electronic electric single-seated regulating valve is an industrial automation control valve composed of an electronic electric actuator and a high-precision single-seated globe-style valve body. This valve integrates advanced servo control technology and does not require an additional servo amplifier, as it can directly receive standard analog signals of 4-20mA DC or 1-5V DC from control systems (such as PLC, DCS). The actuator, through its built-in electronic module, efficiently converts electrical energy into linear displacement to drive the valve stem, causing precise movement of the valve plug relative to the seat. This adjusts the fluid flow area in real-time to achieve accurate control of process parameters like flow rate, pressure, temperature, and liquid level in the pipeline. Due to its single-seated plug structure, the valve features minimal leakage and high adjustment precision, making it a core execution unit for automation processes requiring tight control and high reliability.Product Image of ZDLP Electronic Electric Single-Seated Regulating Valve 1. Electronic integrated drive:Equipped with an integrated electronic electric actuator with a built-in servo system and position feedback module, significantly simplifying system wiring and reducing space requirements without an external control box.2.Excellent sealing performance:The single-seated plug design with a precision-ground sealing surface ensures significantly lower leakage than double-seated or cage valves, reaching Class IV (metal seal) or Class VI (bubble-tight soft seal).3.Diverse regulation characteristics:Valve plug shapes can be customized to provide equal percentage or linear flow characteristics, ensuring stable system control across various load changes.4.Agile and precise response:The actuator features high resolution and a minimal dead zone, accurately capturing small signal fluctuations and executing valve position compensation instantly for low steady-state error.5.Strong and stable driving force:The electric actuator provides high output thrust and features self-locking capabilities, effectively overcoming fluid disturbances and maintaining consistent valve position at the set point.6.Intelligent safety protection:The actuator includes overload, stall, and over-temperature protection. In the event of signal interruption or power failure, it can execute logical protection based on preset safety positions (full open, full close, or fail-in-place).7.Material and environmental adaptability:Body materials include cast steel, stainless steel, and special alloy steel, compatible with hot water, steam, oil, and various corrosive chemical media across petroleum, chemical, and power sectors.8.Easy and economical maintenance:The simple structure with few internal parts allows for the inspection and replacement of the plug and seat without complex specialized tools or a pneumatic support system, resulting in low maintenance costs.

ZDLN electronic electric straight-through double-seated regulating valve is an industrial automation control valve consisting of an electronic electric actuator and a high-performance straight-through double-seated valve body. This valve integrates advanced servo control technology, eliminating the need for an external servo amplifier as it can directly receive 4-20mA DC or 1-5V DC standard analog signals from control systems such as PLC or DCS. The actuator, through its built-in electronic module, efficiently converts electrical energy into linear displacement to drive the valve stem, causing precise vertical movement of the double valve plugs relative to the double seats. By utilizing the change in throttling area between the double plugs and seats, it adjusts the fluid flow area in real-time to achieve accurate control of process parameters like flow rate, pressure, temperature, and liquid level. Due to its double-seated balanced plug structure, most of the unbalanced forces acting on the upper and lower plugs from the medium can cancel each other out, giving the valve significant features such as high allowable pressure differential, large flow capacity, excellent dynamic stability, and superior vibration resistance. It is particularly suitable for automated processes with high flow rates, high pressure drops, and relatively relaxed leakage requirements.Product Image of ZDLN Electronic Electric Straight-through Double-seated Regulating Valve 1.Electronic integrated drive:Equipped with an integrated electronic electric actuator with a built-in servo system and position feedback module, significantly simplifying system wiring and reducing space requirements without the need for an external servo amplifier.2.Excellent force balance characteristics:The double-seated plug design allows the unbalanced forces acting on the upper and lower plugs from the fluid to mostly cancel each other out. Compared to single-seated valves, it possesses superior self-balancing capability and high allowable pressure differential, easily handling high-pressure drop conditions.3.Significant flow capacity:The straight-through double-seated flow path design provides a larger flow coefficient (Kv value) than a single-seated valve of the same nominal diameter. Its performance is especially outstanding in industrial networks requiring high-flow control.4.Good dynamic operational stability:Due to the minimal fluid disturbance forces acting on the plugs, the valve exhibits strong anti-vibration performance and smooth operation during regulation, making it ideal for control systems with large pressure fluctuations or frequent cycling.5.Agile and precise response:The actuator features high resolution and a minimal dead zone, accurately capturing small signal fluctuations (e.g., 4-20mA) and executing valve position compensation instantly to ensure timely dynamic response and minimal steady-state error.6.Intelligent safety protection:The actuator includes overload, stall, and over-temperature protection. In the event of signal interruption or power failure, it can execute logical protection based on preset safety positions (full open, full close, or fail-in-place).7.Material and environmental adaptability:Body materials include cast steel, stainless steel, and various special alloy steels, compatible with water, steam, oil, and general chemical media across power, metallurgical, chemical, and textile sectors.8.Mature structure and easy maintenance:Utilizing a classic double-seated guiding structure, the technology is mature and reliable. Key internals adopt a standardized design, making disassembly, cleaning, and replacement of wearing parts relatively convenient while reducing comprehensive operation and maintenance costs.

ZDLM electronic electric cage guided control valve is an industrial automation control valve consisting of an electronic electric actuator and a high-performance cage-guided balanced valve body. This valve integrates advanced servo control technology, eliminating the need for an external servo amplifier as it can directly receive 4-20mA DC or 1-5V DC standard analog signals from control systems such as PLC or DCS. The actuator, through its built-in electronic module, efficiently converts electrical energy into linear displacement to drive the valve stem, causing precise movement of the balanced valve plug within the cage. By utilizing the throttling effect of the valve plug on the cage windows, it adjusts the fluid flow area in real-time to achieve accurate control of process parameters like flow rate, pressure, temperature, and liquid level. Due to its cage-guided design and pressure-balanced plug structure, the valve features excellent dynamic stability, high allowable pressure differential, low noise, and strong cavitation resistance, making it particularly suitable for automated processes with high pressure drops, large flow fluctuations, and strict operational stability requirements. Product Image of ZDLM Electronic Electric Cage Guided Control Valve Feature1. Electronic integrated drive:Equipped with an integrated electronic electric actuator with a built-in servo system and position feedback module, simplifying system wiring and reducing space requirements.2.Pressure-balanced structure:The valve plug features balance holes to effectively offset most of the unbalanced forces from the medium, ensuring excellent dynamic stability and vibration resistance during operation.3.High allowable pressure differential:Since fluid thrust on the plug is balanced, the actuator requires minimal driving force to accurately control high-pressure fluids, significantly enhancing adaptability to high-pressure conditions.4.Agile and precise response:The actuator features high resolution and a minimal dead zone, accurately capturing small signal fluctuations and executing valve position compensation instantly for low steady-state error.5.Noise reduction and cavitation resistance:The cage-guided design and window-type throttling effectively alter flow direction and reduce velocity, significantly lowering noise and improving resistance to cavitation in harsh conditions.6.Intelligent safety protection:The actuator includes overload, stall, and over-temperature protection. In the event of signal interruption or power failure, it can execute logical protection based on preset safety positions (full open, full close, or fail-in-place).7.Material and environmental adaptability:Body materials include cast steel, stainless steel, and high-temperature alloy steel, compatible with thermal oil, high-pressure steam, and various chemical media across power, chemical, and metallurgical sectors.8.Easy maintenance and durability:The cage structure provides a large guiding area and is easy to disassemble. As a modular throttling component, the cage can be replaced quickly based on wear without removing the valve body, reducing maintenance costs.

ZAZQ electric three-way converging control valve is an industrial automation control valve composed of a linear electric actuator and a three-way converging globe-style valve body. The valve receives standard analog signals of 4-20mA DC or 0-10V DC from control systems (such as PLC, DCS) to drive the valve stem, moving the valve plug axially between two valve seats. Its unique "two-inlet and one-outlet" structural design is specifically used to mix two fluids of different temperatures, pressures, or concentrations into a single uniform fluid in a set proportion, thereby achieving precise control of the temperature or composition of the mixed medium. In heat exchange stations, industrial mixing, and cooling circulation systems, one three-way converging valve can replace two single-seated control valves, which not only significantly simplifies the pipeline configuration but also greatly reduces system complexity and investment costs.Product Image of ZAZQ Electric Three-way Converging Control Valve Feature1. Proportional mixing adjustment logic:The valve body features two inlets (Ports A and B) and one outlet (Port C). As the valve plug position changes, the opening of one inlet increases while the other decreases simultaneously, ensuring a relatively stable total flow and achieving precise fluid proportioning adjustment.2.Compact pipeline design:The integrated three-way flow path design effectively reduces the number of pipeline interfaces, elbows, and supports. The small footprint is particularly suitable for modular heat exchange units with limited space.3.Powerful electric driving force:Equipped with a high-performance electric actuator, it provides large output thrust and features self-locking capabilities without the need for an external air supply. The built-in servo system supports intelligent calibration, ensuring the accuracy and repeatability of valve plug positioning.4.Dynamic operational stability:The valve plug adopts a side-guiding structure, and the flow path is optimized via fluid dynamics. Under converging conditions, it can effectively suppress impact vibration and turbulent noise generated by the intersection of two fluid streams, ensuring stable system operation.5.Excellent adjustment characteristics:The valve plug profile is precision-machined to provide linear or equal percentage flow characteristics. The wide rangeability (typically up to 30:1 or higher) ensures high-precision control even under low load fluctuations.6.Intelligent safety protection functions:The actuator integrates overload protection, stall protection, and thermal protection modules. It supports fail-safe functions such as fail-in-place or reset upon signal loss, effectively protecting process safety during unexpected failures.7.Material and environmental adaptability:Valve body materials are available in cast iron (HT200), cast steel (WCB), and stainless steel (CF8/CF8M). Internal parts can be hardened to handle hot water, thermal oil, steam, and general corrosive media.8.Significant maintenance cost advantages:The modular internal component design allows for the inspection and replacement of seals or valve plugs without dismantling the entire valve body, greatly shortening maintenance downtime and resulting in low long-term operation and maintenance expenses.

ZAZX electric three-way diverging control valve is an industrial automation control valve composed of a linear electric actuator and a three-way diverging globe-style valve body. The valve receives standard analog signals of 4-20mA DC or 0-10V DC from control systems (such as PLC, DCS) to drive the valve stem, moving the diverging-type valve plug axially between two valve seats. Its unique "one-inlet and two-outlet" structural design is specifically used to distribute a single inlet fluid into two outlet streams in a set proportion or to divert fluid into a bypass system. In heat exchanger bypass control, industrial proportional distribution, and fluid switching conditions, one three-way diverging valve can effectively replace two single-seated control valves, which not only significantly simplifies process piping but also improves the accuracy and economy of system distribution adjustment.Product Image:ZAZX Electric Three-way Diverging Control ValveFeature1.Precise diverging adjustment logic:The valve body features one inlet (Port C) and two outlets (Ports A and B). By driving the valve plug position change via the actuator, the flow area of the two outlets is adjusted synchronously to achieve precise proportional distribution of flow from 0% to 100%.2.Pipeline layout optimization:The integrated three-way structure reduces pipeline welding points, elbows, and supports. The compact design lowers installation space requirements, significantly shortens construction cycles, and reduces material costs.3.Powerful self-locking drive:Equipped with a high-performance electric actuator, featuring large output thrust, fast response speed, and excellent mechanical self-locking. No air supply system is required, simplifying energy matching and reducing maintenance intensity.4.Anti-interference stability design:Targeting the turbulent characteristics generated in diverging conditions, the valve plug adopts an enhanced guiding structure. Its flow path is optimized via fluid dynamics to effectively suppress mechanical vibration and fluid noise during media distribution.5.Linear proportional characteristics:The valve plug profile is precision-machined to ensure the sum of the two outlet flows remains relatively stable during adjustment. The flow distribution curve has excellent linearity, facilitating parameter tuning in closed-loop control systems.6.Comprehensive intelligent protection:The actuator integrates electronic limit protection, overload torque protection, and thermal protection. It supports fail-safe functions such as fail-in-place or pre-set safety positions (e.g., maintaining distribution ratio) to ensure system safety under extreme conditions.7.Material and environmental adaptability:Valve body materials are available in cast iron (HT200), cast steel (WCB), and stainless steel (CF8/CF8M). Internal parts support hardening treatments, widely adapting to hot water, thermal oil, and general chemical media.8.Modular rapid maintenance:Adopting a top-pressed structural design. In-depth inspection and replacement of the actuator, valve plug, and seals can be completed from the top without removing the valve body, significantly reducing long-term operation and maintenance costs.

ZRQW intelligent electric cage guided control valve is an industrial automation control unit composed of a new generation of intelligent electronic electric actuators and high-performance cage-guided balanced valve bodies. Integrating micro-processing technology and digital control systems, the valve can directly receive standard analog signals such as 4-20mA DC or 1-5V DC from DCS or PLC systems, as well as various fieldbus communication protocols. The actuator converts instructions into precise valve stem displacement via a built-in servo circuit, driving the balanced valve plug within the cage for linear movement. Due to the cage-guided design and pressure balance holes, medium unbalanced forces acting on the plug are effectively offset, providing excellent dynamic stability, large allowable pressure differentials, and superior noise reduction. It is a high-end intelligent control solution for handling high pressure drops and large flow conditions in process industries such as petroleum, chemicals, power, and metallurgy.Product Image of ZRQW Intelligent Electric Cage Guided Control Valve Features1.Highly intelligent drive:Equipped with an intelligent all-electronic electric actuator featuring integrated servo amplification, logic judgment, and self-diagnosis functions. It supports a human-machine interface for non-intrusive field settings and is compatible with mainstream fieldbuses like Hart, Modbus, and Profibus.2.Dynamic operational stability:The valve plug adopts a pressure-balanced structural design, significantly reducing the impact interference of medium flow velocity on the plug. This effectively eliminates high-frequency vibration and surging during operation, ensuring stable regulation under complex loads.3.Large differential pressure capability:By utilizing the thrust offset mechanism of the balance holes, the actuator requires only small output torque to achieve precise control of high-pressure differential media, significantly improving the valve's resistance to cavitation and flashing under high pressure drop conditions.4.Excellent guiding precision:Utilizing large-area cage side-guiding technology, it ensures precise axial alignment throughout the full stroke. This effectively reduces stem movement friction and lateral loads, significantly extending the service life of the seals.5.Significant noise reduction:The throttling cage windows are designed specifically for fluid velocity control, effectively guiding the fluid and dissipating kinetic energy. Compared to traditional single/double-seated valves, it can reduce fluid noise by 10-20 decibels.6.Intelligent comprehensive protection:The actuator features built-in dual-sensing protection for stroke and torque, including intelligent logic such as anti-stall auto-retreat, thermal overload protection, automatic phase correction, and fail-safe pre-setting (full open, full close, or stay-put) upon signal interruption.7.Strong material adaptability:Valve bodies are available in materials such as cast steel (WCB), stainless steel (CF8/CF8M), and erosion-resistant high-temperature alloys (WC6/WC9). Internal cages and plugs can be hardened or Stellite-overlaid for superior erosion resistance.8.Modular rapid maintenance:Featuring a top-entry disassembly structure, the actuator, bonnet, and core throttling components such as the cage, plug, and seat can be replaced modularly without removing the valve from the pipeline, greatly reducing maintenance downtime and costs.

ZDLQ electronic electric three-way mixing control valve is an industrial automation control valve consisting of an electronic electric actuator and a three-way mixing globe-style valve body. This valve integrates advanced servo control technology, eliminating the need for an external servo amplifier as it can directly receive 4-20mA DC or 1-5V DC standard analog signals from control systems such as PLC or DCS. The actuator, through its built-in electronic module, efficiently converts electrical energy into linear displacement to drive the valve stem, moving the three-way valve plug accurately between the seats. This real-time adjustment of the flow proportion of the two inlet media enables fluid mixing, heat exchange temperature control, or concentration adjustment. Due to its unique "two-inlet and one-outlet" structural design, this valve can replace two single-seated control valves in heat exchange systems, significantly reducing pipeline complexity while enhancing system regulation stability and economic efficiency.Product Image of ZDLQ Electronic Electric Three-way Mixing Control Valve 1.Electronic integrated drive:Equipped with an integrated electronic electric actuator with a built-in servo system and position feedback module, simplifying system wiring and reducing space requirements without an external control box.2.Efficient mixing regulation logic:The valve body features a structure with two inlets (Ports A and B) and one outlet (Port C). By moving the plug up and down, the openings of the two inlets are changed synchronously to achieve precise fluid proportion mixing, ideal for automatic temperature control systems.3.Optimized pipeline design:A single three-way mixing valve achieves the mixing function of two single-seated control valves, effectively reducing installation space, the number of pipe elbows and connectors, and lowering the initial system investment cost.4.Strong regulation stability:Utilizing a plug-guiding structure, the flow path design complies with fluid dynamics principles. Under mixing conditions, pressure fluctuations from the two inlets are more easily stabilized after mixing within the valve, effectively avoiding fluid impact and vibration during regulation.5.Agile and precise response:The actuator features high resolution and a minimal dead zone, accurately capturing small control signal fluctuations and executing valve position compensation instantly to ensure minimal error in the mixed medium's temperature or pressure.6.Intelligent safety protection:The actuator includes overload, stall, and over-temperature protection. In the event of signal interruption or power failure, a preset position (such as maintaining the mixing ratio or full shut-off of a single path) can be selected based on process safety needs.7.Material and environmental adaptability:Body materials include cast steel, stainless steel, and various special alloy steels, compatible with hot/cold water, heat exchange steam, lubricants, and various chemical media across HVAC, power, and chemical heat exchange stations.8.Easy maintenance and low cost:The structural design is compact, and internal parts undergo hardening for high wear resistance. Due to the modular design, inspection and replacement of seals and the valve plug do not require dismantling the entire pipeline, significantly improving maintenance efficiency.

ZDLX electronic electric three-way diverging control valve is an industrial automation control valve consisting of an electronic electric actuator and a three-way diverging valve body. This valve integrates advanced servo control technology and does not require an additional servo amplifier, as it can directly receive 4-20mA DC or 1-5V DC standard analog signals from control systems such as PLC or DCS. The actuator converts electrical energy into linear displacement through a built-in electronic module, driving the valve stem to move the diverging valve plug accurately between the two seats. This proportionally distributes one inlet fluid into two outlet streams or diverts a portion of the fluid into a bypass. Due to its unique "one-inlet and two-outlet" structure, this valve is particularly suitable for heat exchanger bypass regulation or material flow distribution in industrial processes. It significantly simplifies pipeline design and serves as a core execution unit for achieving precise proportional distribution of industrial fluidsProduct Image of ZDLX Electronic Electric Three-way Diverging Control Valve 1.Electronic integrated drive:Equipped with an integrated electronic electric actuator with a built-in servo system and position feedback module, significantly simplifying system wiring and reducing space requirements without an external control box.2.Efficient diverging control logic:The valve body features a structure with one inlet (Port C) and two outlets (Ports A and B). Through the displacement of the valve plug, the cross-sectional areas of the two outlets are adjusted synchronously to achieve proportional flow distribution with excellent linearity.3.System redundancy optimization:A single three-way diverging valve can replace two single-seated control valves to perform distribution functions, reducing the number of pipeline branches and valves, which lowers initial investment and reduces pressure drop and leakage risks.4.Anti-vibration design:Targeting fluid characteristics in diverging conditions, the valve plug utilizes special guiding and profile structures to effectively suppress turbulent fluctuations and vibrations generated during media distribution, ensuring stable operation.5.Agile and precise response:The actuator features high resolution and a minimal dead zone, accurately capturing small signal changes and instantly adjusting the outlet flow ratio to ensure stable parameters in downstream processes.6.Intelligent safety protection:The actuator includes overload, stall, and over-temperature protection. In the event of signal interruption or power failure, it can maintain a specific distribution ratio or move to a safety position based on preset process logic.7.Material and environmental adaptability:Body materials include cast steel, stainless steel, and special alloys, compatible with hot/cold water, thermal oil, process gases, and various chemical media across petroleum, chemical, and textile sectors.8.Easy maintenance and durability:The structural design is scientific, and main throttling components undergo hardening for high erosion resistance. The modular internal design allows for cleaning and seal replacement without removing the valve body, lowering maintenance costs.

CV3000 electric cage-guided control valve is a high-performance execution unit designed for modern industrial automation systems. It consists of a high-precision electronic electric actuator and a cage-guided valve body featuring a pressure-balanced plug. By receiving 4-20mA DC or 1-5V DC standard signals, the actuator drives the valve stem to move the plug vertically within the cage, utilizing the window-type throttling design to achieve precise proportional regulation of flow, pressure, and temperature. The pressure-balanced structure effectively offsets the large unbalanced forces of the medium, ensuring stable operation even under high pressure drops. This series is known for its high flow capacity, dynamic stability, and excellent noise reduction, making it an ideal choice for power plants, oil refineries, and chemical processing facilities.Product Image of CV3000 Electric Cage-Guided Control Valve Feature1.Pressure-balanced plug design:The plug is equipped with precision balance holes to equalize the pressure above and below the plug. This significantly reduces the thrust required from the actuator, allowing for reliable control of high-pressure differential fluids with relatively small actuators.2.Cage-guided stability:The large-area side-guiding provided by the cage ensures precise axial alignment of the plug throughout its full stroke. This effectively suppresses mechanical vibration and high-frequency noise caused by high-velocity fluid flow.3.Superior noise and cavitation control:The window-type throttling cage is designed to distribute the pressure drop and reduce fluid velocity. This design provides better noise attenuation and higher resistance to cavitation compared to traditional single or double-seated valves.4.High-precision intelligent drive:Paired with an intelligent electronic actuator, the valve offers high positioning resolution and minimal dead zones. It supports self-diagnosis, non-intrusive calibration, and real-time position feedback to ensure control loop stability.5.Modular and interchangeable internals:Internal components such as the cage, plug, and seat are designed for modularity. Different flow characteristics (linear or equal percentage) can be achieved by simply replacing the cage without changing the valve body.6.Durable material options:The body and internals can be made of various high-grade alloys. Sealing surfaces can be hardened or hard-faced with Stellite to provide exceptional resistance to erosion and wear in high-temperature or high-pressure steam services.7.Tight shut-off performance:Utilizing precision grinding and advanced sealing technology, the valve provides reliable shut-off capability. It is available in metal-to-metal (Class IV) or soft-seal (Class VI) versions to meet diverse leakage standards.8.Ease of technical maintenance:The top-entry design allows for the extraction of the actuator, bonnet, and internal cage assembly as a single module without removing the valve body from the pipeline, significantly reducing downtime.

ZJHQ pneumatic diaphragm three-way converging control valve is an industrial automation control valve consisting of a multi-spring pneumatic diaphragm actuator and a three-way converging globe-style valve body. By receiving pneumatic signals from the control system (or standard 4-20mA DC signals converted via an electro-pneumatic positioner), the valve utilizes the thrust generated in the diaphragm chamber to drive the valve stem, moving the valve plug axially between two seats. Its unique two-inlet and one-outlet structural design is specifically used to mix two fluids of different temperatures, pressures, or concentrations into a single uniform fluid in a set proportion, achieving precise control over parameters such as the temperature and composition of the mixed medium. Compared to electric control valves, the ZJHQ model features sensitive action, rapid response, and intrinsic safety due to its pneumatic actuator, making it better suited for high-frequency regulation and environments with extreme safety requirements. In heat exchange stations, industrial mixing systems, and cooling circulation loops, a single pneumatic three-way converging valve can replace two coordinated single-seated control valves. This not only significantly simplifies the process pipeline configuration and reduces potential leakage points but also greatly lowers system complexity and equipment investment costs.Product Image of ZJHQ Type Pneumatic Diaphragm Three-way Converging Control Valve Feature1.Proportional mixing adjustment logic:The valve body features two inlets (Ports A and B) and one outlet (Port C). As the valve plug position changes, the opening of one inlet increases while the other decreases simultaneously, ensuring a relatively stable total flow and achieving precise fluid proportioning adjustment.2.Compact pipeline design:The integrated three-way flow path design effectively reduces the number of pipeline interfaces, elbows, and supports. The small footprint is particularly suitable for modular heat exchange units or skid-mounted equipment with limited space.3.Efficient pneumatic diaphragm drive:Equipped with a multi-spring pneumatic diaphragm actuator, the structure is lightweight yet provides large output force. Compared to electric drives, the pneumatic actuator is more sensitive with a faster response speed, allowing for real-time regulation following control signal changes.4.Dynamic operational stability:The valve plug adopts a side-guiding structure, and the flow path is optimized via fluid dynamics. Under mixing conditions, it can effectively suppress impact vibration and turbulent noise generated by the intersection of two fluid streams, ensuring stable system operation under complex differential pressures.5.Excellent adjustment characteristics:The valve plug profile is precision-machined to provide linear or equal percentage flow characteristics. The wide rangeability (typically up to 30:1 or higher) ensures high-precision control even under low load fluctuations.6.Intrinsic safety and fail-safe function:Pneumatic systems possess natural explosion-proof advantages, requiring no additional explosion-proof enclosures for use in hazardous areas. It supports fail-safe modes: upon air supply failure, the valve automatically resets to a preset safety position (full open or full close) via built-in spring pressure, ensuring process safety.7.Material and environmental adaptability:Valve body materials include grey cast iron (HT200), cast steel (ZG230-450), and stainless steel (ZG1Cr18Ni9Ti/CF8). Internal parts can be hardened to handle hot water, thermal oil, steam, and general corrosive media.8.Significant maintenance cost advantages:The modular internal component design allows for the inspection and replacement of seals or valve plugs without dismantling the entire valve body or complex electrical disassembly, greatly shortening maintenance downtime and resulting in low long-term operation and maintenance expenses.

ZJHF pneumatic fluorine-lined bellows sealed control valve is a precision execution unit specifically engineered for highly corrosive media and toxic or volatile fluids. It integrates a multi-spring pneumatic diaphragm actuator with a single-seated valve body lined with fluoroplastics (FEP/F46 or PFA), featuring an innovative double-sealing structure combining bellows and packing. By receiving standard 4-20mA DC signals from control systems, the actuator converts air pressure into linear displacement to drive the stem for precise regulation in aggressive environments. With all wetted parts covered by high-performance fluorine plastics and the bellows seal ensuring zero stem leakage, this valve is widely utilized in petrochemical, fine chemical, pharmaceutical, and acid-alkali production where safety and anti-corrosion requirements are paramount.Product Image of ZJHF Pneumatic Fluorine-lined Bellows Sealed Control Valve Features1. Superior corrosion resistance:All internal surfaces in contact with the medium, including the body cavity, plug, and seat, are fully lined with fluoroplastics (e.g., F46/PFA). This material offers exceptional chemical inertness against almost all strong acids, alkalis, and oxidants.2.Zero-leakage double sealing:The stem seal utilizes high-performance bellows as the primary seal, creating an absolute airtight barrier to eliminate leakage. Secondary packing seal is provided as a fallback to ensure system safety even if the bellows fails.3.Precision pneumatic actuator:Equipped with a compact multi-spring pneumatic diaphragm actuator, providing low height, light weight, and high output force. Paired with a smart positioner, it achieves excellent linearity and repeatability.4.Intrinsically safe attributes:Driven by compressed air without electrical signals in hazardous zones, providing natural explosion-proof safety. Available in air-to-open or air-to-close modes for fail-safe positioning upon air supply loss.5.Optimized low-flow resistance path:The internal flow path is smooth and streamlined, significantly reducing pressure drop. The single-seat sealing design combined with precision-ground surfaces ensures bubble-tight shut-off.6.Excellent vacuum resistance:Advanced compression molding ensures the lining is tightly bonded to the metal substrate, effectively preventing lining peeling or collapse under vacuum or negative pressure conditions.7.Broad temperature and pressure adaptability:Suitable for aggressive conditions from -20°C to 150°C. The thermal expansion coefficient of the lining is optimized for dimensional stability under temperature fluctuations.8.Modular maintenance design:The compact structure features a scientific connection between actuator and body. Key internals like the lined plug and seal kits are modular for easy replacement, reducing downtime and maintenance costs.

The ZJHPF pneumatic diaphragm fluorine-lined bellows sealed control valve is a precision process control unit integrating a high-performance pneumatic actuator, an overall fluorine-lined body, and bellows sealing technology. This valve is specifically designed for handling highly corrosive, toxic, volatile, and permeable media. All internal wetted surfaces and components are lined with fluoroplastics (e.g., FEP/F46 or PFA), effectively isolating the metal substrate from erosion. The stem seal utilizes a double-barrier structure combining a bellows seal with auxiliary packing, ensuring absolute zero leakage at the stem movement point. The ZJHPF is widely utilized in petrochemical, fine chemical, chlor-alkali, and pharmaceutical industries where environmental safety and corrosion resistance are paramount.Product Image of ZJHPF Pneumatic Fluorine-lined Bellows Sealed Control Valve Feature1.Superior comprehensive corrosion resistance:All internal surfaces, including the body cavity, plug, seat, and stem wetted parts, are integrally molded with fluoroplastics. This material offers exceptional chemical inertness against almost all strong acids, alkalis, and oxidants.2.Zero-leakage double sealing structure:High-performance bellows serve as the primary stem seal, creating an airtight barrier to eliminate media permeation. Secondary packing seal acts as a safety fallback, ensuring intrinsic safety under extreme conditions.3.Precision pneumatic actuator:Equipped with a compact multi-spring pneumatic diaphragm actuator, providing low height, light weight, and high output thrust. Paired with an intelligent positioner, it achieves high adjustment precision and rapid response.4.Optimized low-flow resistance path:The smooth internal flow path with a large effective area significantly reduces pressure drop. The single-seat design combined with precision-ground surfaces ensures bubble-tight shut-off performance.5.Excellent negative pressure and temperature resistance:Advanced molding ensures the lining is tightly bonded to the metal wall, preventing lining peeling or collapse under vacuum or pressure fluctuations, adapting to various thermal cycles.6.Intrinsically safe attributes:Driven by compressed air without electrical signals in hazardous zones, offering natural safety. Available in air-to-open or air-to-close modes to ensure system safety during air supply failure.7.Lightweight and space-saving solution:The compact design reduces overall volume by approximately 30% compared to traditional lined valves, significantly lightening the pipeline load and facilitating flexible layout in modular skids.8.Convenient modular maintenance:The actuator-to-body connection is scientifically designed. Key wearing parts like the lined plug, bellows assembly, and seals are modular for easy online replacement without removing the valve from the line.

ZMA/BP pneumatic diaphragm straight-through single-seated regulating valve is an execution unit for industrial process control, consisting of a multi-spring (or single-spring) pneumatic diaphragm actuator and a straight-through single-seated globe-style valve body. The valve receives pneumatic signals (typically 20-100KPa) or standard analog signals (4-20mA via a positioner) to convert air pressure into linear displacement of the actuator stem, driving the valve stem and plug relative to the seat. By changing the throttling area between the plug and seat, it achieves automated regulation of process parameters such as flow rate, pressure, and temperature. Due to its single-seated sealing structure, this valve features minimal leakage, excellent shut-off performance, and high adjustment precision, making it a classic control device for industries like petroleum, chemicals, metallurgy, and textiles where tight shut-off is required.Product Image of ZMA/BP Pneumatic Diaphragm Straight-through Single-seated Regulating Valve 1.Superior shut-off sealing:Utilizes a single-seated plug design with a precision-ground seat, ensuring a tight seal when closed. Leakage levels can easily reach ANSI Class IV or the more stringent Class VI (bubble-tight), ideal for processes requiring strict internal leakage control.2.Classic streamlined valve body:The valve body features an S-pattern flow design with smooth internal cavities, reducing fluid disturbance and pressure drop, thereby providing a high flow coefficient (Kv value).3.High-precision regulation:The plug profile is precision-engineered based on fluid dynamics to provide linear or equal percentage flow characteristics. When used with an electro-pneumatic positioner, it achieves high-sensitivity proportional adjustment and rapid dynamic response.4.Robust and mature structure:Adopts a top-guided structure with a large guiding area for high stability. The valve stem is quenched or surface-hardened for excellent wear resistance and mechanical vibration endurance.5.Flexible drive modes:Equipped with high-performance pneumatic diaphragm actuators, offering simple and reliable operation. "Air-to-open" (ZMA, fail-closed) or "Air-to-close" (ZMB, fail-open) configurations are available based on safety requirements.6.Intrinsic explosion-proof safety:The adjustment process is driven by compressed air without electrical spark risks, providing inherent explosion-proof attributes suitable for flammable, explosive, and harsh industrial environments.7.Various bonnet options:Standard, extended (radiator type), or bellows-sealed bonnets can be selected based on medium temperature to protect the diaphragm from heat or prevent leakage of toxic media.8.Convenient and economical maintenance:Features few internal components and high standardization. The single-plug structure allows for direct disassembly, cleaning, and seal replacement, significantly reducing long-term maintenance costs.

The CV3000-HCN low-noise cage-guided control valve is an intelligent control unit specifically engineered for modern industrial processes involving high differential pressures, high flow velocities, and stringent environmental noise requirements. This valve combines a high-performance actuator with a pressure-balanced body equipped with a specialized multi-hole silencing cage. Its core technology involves dividing the medium fluid into a large number of micro-jets through a perforated throttling cage, effectively suppressing hydrodynamic and aerodynamic noise by utilizing fluid dispersion and step-by-step kinetic energy dissipation. Compared to standard cage valves, the CV3000-HCN significantly reduces operating decibels and prevents cavitation damage. The valve receives standard analog signals from DCS or PLC systems to achieve precise proportional regulation of steam, gas, or high-pressure water, making it an ideal execution device for silent control and high-reliability operation in power, petroleum, chemical, and urban heating systems.Product Image of CV3000-HCN Low Noise Cage Guided Control Valve Feature1.Exceptional noise and vibration reduction:Utilizes a specially designed silencing cage to alter the frequency characteristics of the fluid via small-hole throttling technology. Under typical high pressure drop conditions, it can reduce noise by 15-25 decibels while effectively minimizing valve body vibration caused by fluid impact.2.Pressure-balanced plug structure:The plug features precision balance holes that utilize the medium's own pressure to offset most of the unbalanced force acting on the plug. This design significantly reduces the thrust required from the actuator, allowing low-power drives to achieve stable control over high-pressure fluids.3.Superior anti-cavitation protection:The multi-hole throttling structure guides the fluid pressure to recover slowly within the cage windows, thereby inhibiting the occurrence of cavitation. This greatly protects internal sealing surfaces from cavitation erosion and significantly extends the valve's service life under harsh pressure differentials.4.High-precision linear regulation:The shape of the throttling windows is designed through computer-aided fluid simulation to ensure the flow characteristic curve strictly conforms to linear or equal percentage requirements. High positioning resolution and minimal dead zones ensure process parameters remain stable with minimal fluctuation around the set point.5.Full-stroke precision cage guiding:The large-area side-guiding design ensures the plug remains precisely aligned axially throughout its entire stroke. This robust guiding mechanism effectively resists mechanical stress and turbulent interference, ensuring long-term dynamic stability.6.Excellent material durability and resistance:Valve bodies and key internals are available in high-strength carbon steel, stainless steel, and wear-resistant alloy steel. Sealing surfaces are typically hard-faced with Stellite or nitrided to ensure excellent sealing integrity in abrasive media such as high-temperature and high-pressure steam.7.Intelligent control and protection:Equipped with an intelligent actuator with a built-in high-precision servo system. It supports auto-calibration, self-diagnosis, and various fail-safe logic. Comprehensive electrical protection functions facilitate integration into highly automated Industrial IoT control systems.8.Convenient modular maintenance:Adopts a top-entry assembly structure. During maintenance, the internal cage and plug assembly can be quickly inspected or replaced by vertically extracting the actuator and bonnet without removing the valve body from the pipeline, significantly shortening O&M time.

ZJM electric multi-stage pressure reducing cage control valve is a high-performance control unit specifically designed for harsh industrial conditions involving high pressure differentials, high flow velocities, and cavitation risks. The valve combines a high-precision electric actuator with a multi-stage throttling cage structure. By receiving 4-20mA DC or other standard control signals, the actuator drives the valve stem to adjust the position of the multi-stage cage plug. Its core principle lies in dissipating fluid kinetic energy through multiple stages of pressure reduction, effectively controlling the flow velocity at each stage. This prevents the occurrence of cavitation and flashing while significantly reducing aerodynamic and hydrodynamic noise. The ZJM series is an ideal choice for feed water bypass, steam drainage, and other high-pressure drop regulation systems in power plants, oil and gas, and chemical sectors.Product Image of ZJM Electric Multi-stage Pressure-reducing Cage Guided Control Valve Feature1. Multi-stage throttling for energy dissipation:Utilizes multiple concentric cages or specialized multi-stage plug designs to reduce pressure in steps. This effectively lowers the flow velocity at each throttling stage, fundamentally eliminating cavitation damage and extending the service life of internal components under extreme pressure drops.2.Superior noise reduction performance:The multi-stage pressure drop distribution avoids the sharp noise generated by single-stage high-velocity expansion. Compared to standard cage valves, it can reduce noise levels by 15 to 30 decibels, meeting strict industrial environmental standards.3.Highly integrated intelligent drive:Equipped with an intelligent electronic electric actuator featuring built-in servo control. It supports non-intrusive calibration, fault diagnosis, and real-time position feedback, ensuring high precision and stability in the control loop.4.Pressure-balanced design for low torque:The plug features a pressure-balanced structure with balance holes to offset high unbalanced forces from the medium. This allows for smaller actuator sizing even under ultra-high pressure conditions, improving the agility and accuracy of regulation.5.Excellent erosion and wear resistance:Critical internal components like the cages and plugs are made of high-strength stainless steel or alloy steel, often reinforced with hardening treatments or Stellite hard-facing. This ensures reliable operation in high-speed, abrasive fluid environments.6.Stable cage-guided structure:The large-area side-guiding design of the cage ensures precise axial alignment of the plug throughout its full stroke, effectively suppressing mechanical vibration and ensuring long-term stable performance under high loads.7.Fail-safe logic and protection:The actuator includes built-in torque protection, thermal sensors, and stroke limit switches. It supports programmable fail-safe positions (such as fail-in-place, full open, or full close) upon control signal loss.8.Modular design for easy service:Features a top-entry structure that allows the extraction of the actuator, bonnet, and internal cages as modules without removing the valve body from the pipeline, significantly reducing maintenance downtime and costs.

ZJHS compact pneumatic diaphragm angle single-seated control valve is a precision control unit consisting of a multi-spring pneumatic diaphragm actuator and a compact angle-style single-seated valve body. It is specifically designed for flow regulation of media with high pressure drops, high viscosity, or containing suspended particles. The angle-style body features a simple flow path with minimal resistance, effectively utilizing the erosion force of the medium for self-cleaning and preventing fluid accumulation in the cavity. Key internals such as the plug and seat can undergo hardening treatments like Stellite overlay, nitriding, or specialized spraying before or after machining to enhance erosion and wear resistance. The sealing structure offers options for PTFE soft seals or high-hardness metal-to-metal hard seals based on medium pressure and temperature, ensuring strict shut-off while providing excellent dynamic regulation stability. The ZJHS valve is typically installed at piping locations requiring a 90-degree change in fluid direction to precisely regulate physical parameters, ensuring the stable operation of industrial processes. It features a compact structure, light weight, sensitive response, and smooth flow, with a rated flow coefficient generally higher than standard single-seated valves. It is widely used in petroleum, chemical, power, and textile industries for automation systems requiring high precision and durability.Product Image of ZJHS Compact Pneumatic Diaphragm Angle Single-seated Control Valve Features1.Compact and lightweight design:Equipped with a multi-spring pneumatic diaphragm actuator, the overall height is significantly lower than traditional control valves, with a weight reduction of approximately 30%. This saves installation space and reduces pipeline load, making it suitable for compact layouts.2.Superior angle flow path design:The valve body features a right-angle structure with a smooth flow path and no dead zones, resulting in an extremely low resistance coefficient. This design ensures direct flow and strong self-cleaning capabilities, effectively preventing medium accumulation and scaling, ideal for high-viscosity or particle-laden fluids.3.Excellent shut-off sealing performance:Utilizing a single-seated sealing structure with precision-ground surfaces, the valve features minimal leakage. It easily meets ANSI Class IV or VI (bubble-tight) sealing standards, serving as the preferred unit for strict process isolation.4.Stable and reliable top-guiding:The valve plug is supported by a robust top-guided structure with a large guiding area and uniform stress distribution. This maintains high concentricity and vibration resistance throughout the stroke, effectively suppressing mechanical noise and high-frequency whistling caused by fluid impact.5.High-precision proportional regulation:The plug profile is precision-engineered based on fluid dynamics to provide linear or equal percentage flow characteristics. Paired with a smart positioner, it achieves high repeatability and sensitivity to ensure stable process control under dynamic conditions.6.Intrinsically safe attributes:Driven by clean compressed air as the power source, it involves no electrical spark risks and possesses natural explosion-proof characteristics. Fail-safe positions (full open or full close) can be configured via built-in spring pressure to protect the system during air supply failure.7.Erosion resistance and long service life:The body and internals are available in cast steel, stainless steel, and various special alloys. For high pressure drops or harsh media, the sealing surfaces can be hard-faced with Stellite, offering extreme hardness and corrosion resistance to significantly extend service life.8.Convenient modular maintenance:The refined structure ensures high component interchangeability. Featuring a top-entry design, internal components can be inspected, cleaned, or replaced by vertically extracting the actuator without removing the entire valve from the pipeline, shortening maintenance cycles.

ZJHT pneumatic diaphragm actuated diaphragm control valve is a precision fluid control unit utilizing a flexible membrane as both the closing and sealing element. It integrates a multi-spring pneumatic diaphragm actuator with a streamlined diaphragm valve body featuring a smooth, dead-zone-free flow path. By receiving standard 4-20mA DC signals from control systems, it uses compressed air to actuate the stem, pressing the elastic diaphragm against the weir to regulate or shut off flow. Because this unique design completely isolates the medium from the stem and actuator, the valve offers exceptional corrosion resistance and superior cleanliness. The ZJHT series is widely applied in petrochemical, pharmaceutical, food, environmental, and ultrapure water industries, particularly for handling aggressive chemicals, high-viscosity slurries, and hygienic process media.Product Image of ZJHT Pneumatic Diaphragm Actuated Diaphragm Control Valve Features1. Superior corrosion resistance:The body cavity can be fully lined with various fluoroplastics (e.g., PFA, FEP) or high-performance elastomers. Combined with a corrosion-resistant synthetic diaphragm, it withstands almost all strong acids, alkalis, and oxidants.2.Zero-leakage sealing performance:The flexible diaphragm serves as the primary seal, eliminating the need for traditional stem packing. It creates an absolute barrier between the medium and the atmosphere, ensuring bubble-tight shut-off and preventing external stem leakage.3.Optimized hydrodynamic design:The flow path is smooth, wide, and free of stagnation areas. This minimizes flow resistance and prevents the accumulation of scale or residue, making it ideal for viscous fluids, fibrous pulps, and media with suspended solids.4.Precision pneumatic drive system:Equipped with a multi-spring pneumatic diaphragm actuator, providing high thrust and stable operation. Paired with an electro-pneumatic positioner, it enables sensitive proportional regulation across the full stroke.5.Intrinsically safe attributes:Driven by clean compressed air without electrical spark risks, providing natural explosion-proof safety. Available in air-to-open or air-to-close modes for fail-safe positioning during air supply failure.6.Simple structure and easy maintenance:Consisting of only three major components—body, diaphragm, and actuator. The diaphragm is the only wearing part, and its replacement is straightforward without removing the valve from the pipeline, reducing maintenance costs.7.Compliance with hygienic standards:The smooth internal surfaces facilitate CIP (Clean-in-Place) or SIP (Steam-in-Place) processes, preventing bacterial growth and meeting the strict hygiene standards of the pharmaceutical and food industries.8.Excellent anti-cavitation performance:The specific flow path geometry ensures a gradual pressure recovery during throttling, effectively mitigating cavitation damage under high pressure drops and extending service life.

ZJHX pneumatic diaphragm three-way diverging control valve is an industrial automation control valve consisting of a multi-spring pneumatic diaphragm actuator and a three-way diverging globe-style valve body. By receiving pneumatic signals from the control system (or standard signals converted via a positioner), the valve utilizes the thrust generated in the diaphragm chamber to drive the valve stem, moving the diverging plug accurately between two seats. Its unique one-inlet and two-outlet structural design is specifically used to distribute a single inlet fluid stream into two outlet paths in a set proportion or to divert fluid into a bypass system. Compared to electric control valves, the ZJHX model features sensitive action and rapid response, making it better suited for high-frequency regulation and environments with extreme safety requirements. In heat exchanger bypass control and industrial proportional distribution systems, a single pneumatic three-way diverging valve can effectively replace two coordinated single-seated control valves, significantly simplifying the process pipeline configuration and reducing potential leakage points.Product Image of ZJHX Pneumatic Diaphragm Three-way Diverging Control Valve Feature1.Precise diverging adjustment logic:The valve body features one inlet (Port C) and two outlets (Ports A and B). Through the displacement of the valve plug, the flow area of the two outlets is adjusted synchronously to achieve precise proportional distribution of flow with excellent linearity.2.Pipeline layout optimization:The integrated three-way structure reduces pipeline welding points and elbows. A single ZJHX valve performs the work of two single-seated valves, lowering system complexity and equipment investment costs.3.Efficient pneumatic diaphragm drive:Equipped with a multi-spring pneumatic diaphragm actuator, the structure is lightweight yet provides large output force. It is more sensitive than electric drives, allowing for real-time regulation following control signal changes.4.Dynamic operational stability:Targeting the turbulent characteristics generated in diverging conditions, the valve plug utilizes an enhanced guiding structure and a flow path optimized via fluid dynamics to suppress mechanical vibration and noise.5.Linear proportional characteristics:The valve plug profile is precision-machined to ensure the sum of the two outlet flows remains stable during adjustment, facilitating parameter tuning in closed-loop control systems.6.Intrinsic safety and fail-safe function:Pneumatic systems possess natural explosion-proof advantages. It supports fail-safe modes:upon air supply failure, the valve automatically resets to a preset safety position via built-in spring pressure.7.Material and environmental adaptability:Valve body materials include grey cast iron, cast steel, and stainless steel. Internal parts can be hardened to handle hot water, thermal oil, and general corrosive media.8.Modular maintenance advantages:The modular internal component design allows for the inspection and replacement of seals or valve plugs from the top without dismantling the entire valve body, greatly shortening maintenance downtime.

The CVPS high-pressure single-seated control valve is a precision execution unit specifically designed for modern industrial applications involving high pressure, high differential pressure, and high temperature. This valve integrates a high-performance multi-spring pneumatic diaphragm actuator with a reinforced single-seated globe-style valve body. The core design features a high-strength body structure and hardened internal components to effectively resist impact, erosion, and cavitation damage from high-pressure fluids. By receiving standard 4-20mA signals from control systems, the actuator converts pneumatic power into linear displacement to drive the plug accurately, achieving continuous proportional regulation of flow and pressure. With its superior shut-off integrity, extreme pressure resistance, and stability, the CVPS series is widely used in power plant feedwater, desuperheating water, high-pressure chemical processes, and oil and gas gathering systems.Product Image of CVPS High-Pressure Single-Seated Control Valve Feature1.Superior high-pressure load capacity:The body is manufactured from high-quality forged steel or heavy-duty cast steel with sufficient wall thickness, fully complying with international high-pressure valve standards to ensure safety under pressure fluctuations.2.Tight shut-off performance:The single-seated plug design combined with precision-ground metal hard seals or resilient soft seals ensures minimal leakage in the closed position, meeting ANSI Class IV or VI standards.3.Excellent guiding stability:Utilizes an enhanced top-guided structure with high-precision fitting between the sleeve and stem. This design suppresses plug vibration and mechanical noise caused by high-velocity flow, extending seal life.4.Anti-cavitation and erosion resistance:Internals can be selected as hardened stainless steel or Stellite hard-faced alloys. For extreme pressure drops, multi-stage throttling trims are available to mitigate flashing and cavitation damage.5.Precision pneumatic actuator:Equipped with a compact multi-spring actuator providing powerful and stable thrust. Paired with a smart positioner, it achieves micron-level positioning and high dynamic response frequency.6.Intrinsically safe attributes:Driven by clean compressed air without spark risks, providing natural explosion-proof safety suitable for hazardous oil, gas, and chemical zones.7.Flexible material configuration:Available in WCB, CF8, CF8M, and high-temp alloy steels like WC6 or WC9. Bonnets can be standard, extended, or finned based on temperature requirements.8.Convenient modular maintenance:The top-entry assembly allows for the online inspection and replacement of the plug, seat, and packing without removing the valve body from the pipeline, significantly lowering O&M costs.

ZJHN pneumatic double-seated control valve is an industrial process control execution unit consisting of a multi-spring pneumatic diaphragm actuator and a straight-through double-seated valve body. The valve receives standard 4-20mA DC analog signals or 20-100kPa pneumatic signals from control systems, converting air pressure into linear displacement via the actuator to drive the stem, moving the dual valve plugs relative to the seats. Due to the double-plug structure, the fluid forces acting on the upper and lower plugs are opposite in direction and similar in magnitude, allowing most of the unbalanced force to be offset. With its large allowable pressure differential, high flow capacity, and excellent dynamic stability, the ZJHN series is widely used in petroleum, chemical, power, and metallurgical industries for automated systems requiring high-volume control under significant pressure drops.Product Image of ZJHN Pneumatic Double-Seated Control Valve Feature1.Superior force balance characteristics:The dual-plug design utilizes the principle of mutual cancellation of medium-induced unbalanced forces on the upper and lower plugs. This significantly reduces the output thrust required from the actuator, ensuring high stability under high pressure drops.2.Significant flow capacity:The dual-channel design provides a larger flow coefficient (Kv value) compared to single-seated valves of the same nominal size, effectively meeting high-volume fluid transportation and regulation needs.3.Strong dynamic stability:Minimal unbalanced forces result in low fluid disturbance during regulation, effectively suppressing mechanical vibration and fluid noise for stable operation in complex environments.4.Efficient multi-spring pneumatic drive:Equipped with a compact multi-spring pneumatic diaphragm actuator, overall height and weight are significantly reduced. Paired with a smart positioner, it achieves high precision and repeatability.5.Intrinsically safe attributes:Driven by compressed air without the risk of electrical sparks, it possesses natural safety features ideal for flammable, explosive, and harsh industrial sites.6.Fail-safe automatic reset:Can be configured as "air-to-open" or "air-to-close" modes. In the event of air supply failure, the valve automatically resets to a preset safety position via built-in spring pressure.7.Wide material and environmental adaptability:Bodies are available in cast iron, cast steel, or stainless steel. Internals can be hardened to handle water, steam, oils, and general corrosive chemicals.8.Mature structure and easy maintenance:Utilizes a classic guiding structure with high component interchangeability. Modular internal designs simplify disassembly, cleaning, and replacement of wearing parts, reducing O&M costs.

ZJHJ pneumatic angle-type control valve is an industrial automation execution unit specifically designed for harsh conditions such as high pressure drops, high viscosity, and media containing suspended particles or fibers. The valve consists of a high-performance multi-spring pneumatic diaphragm actuator and a 90-degree angle-style single-seated valve body. By receiving standard 4-20mA DC analog signals from the control system, the thrust generated by the diaphragm chamber drives the stem for linear displacement, precisely changing the flow area between the plug and the seat. Due to its unique angle structure, which simplifies flow direction and provides excellent self-cleaning capabilities, this valve is widely used in key process points within the petroleum, chemical, power, and metallurgical industries where suppression of flashing and cavitation and prevention of media clogging are required.Product Image of ZJHJ Pneumatic Angle Control Valve Feature1. Optimized angle flow path design:The right-angle layout of the inlet and outlet ensures a simple and smooth flow path with a minimal resistance coefficient. This significantly reduces turbulence and pressure loss during media passage and effectively prevents the accumulation of high-viscosity or slurry media in dead zones within the valve.2.Exceptional self-cleaning and erosion resistance:By utilizing the characteristic of the medium directly flushing the plug and seat, it possesses excellent self-cleaning capabilities. The flow design guides high-velocity fluids smoothly, making it particularly suitable for special media prone to scaling or containing suspended particles and fibers.3.Compact multi-spring drive mechanism:Equipped with a compact multi-spring pneumatic diaphragm actuator, providing high output force and rapid response. Compared to traditional actuators, the overall height and weight are greatly reduced, effectively lightening pipeline loads and saving installation space.4.Stable and reliable top-guided structure:The large-area top-guided design ensures excellent concentricity of the plug throughout the full stroke. This robust guiding system effectively resists vibrations caused by fluid impact, extending the service life of the valve.5.High-precision proportional regulation characteristics:The plug profile is precision-engineered based on fluid dynamics to provide linear or equal percentage flow characteristics. Paired with an intelligent valve positioner, it achieves extremely high repeatable positioning accuracy, ensuring real-time stability of process parameters.6.Intrinsically safe and fail-safe function:The drive source is clean compressed air, involving no risk of electrical sparks and providing inherent explosion-proof attributes. Fail-safe reset modes (full open or full close) can be configured based on safety process requirements, ensuring system safety during air supply failure.7.Material durability and long-life design:Body and internals are available in cast steel, stainless steel, or with Stellite hard-facing on surfaces. The hardened sealing surfaces provide extreme hardness and corrosion resistance, capable of handling high pressure drops and erosive conditions over the long term.8.Convenient modular rapid maintenance:The refined structure ensures high component interchangeability. Featuring a top-entry design, sealing pairs can be inspected and replaced online by extracting the actuator without removing the pipeline, significantly reducing maintenance costs.

The CV3000-HCB cage-guided control valve is a high-performance industrial process control unit consisting of a robust actuator and a pressure-balanced cage-style body. Utilizing cage-guiding technology and a balanced plug with internal holes, the valve uses the media pressure itself to offset the majority of the fluid's axial unbalanced force, thereby significantly reducing the required actuator thrust. The CV3000-HCB series is specifically engineered for harsh conditions involving high pressure drops, large flow rates, and potential vibration, offering exceptional dynamic stability, low noise, and cavitation resistance. This valve enables precise control of process parameters such as flow rate, pressure, and temperature, and is widely adopted in automated systems across power, petroleum, chemical, metallurgical, and environmental protection industries.Product Image of CV3000-HCB Cage Guided Control Valve Feature1.Pressure-balanced design:The valve plug is equipped with precision balance holes to equalize medium pressure on both ends of the plug. This significantly lowers the driving force required, allowing smaller actuators to achieve stable regulation of high-pressure differential fluids.2.Exceptional dynamic stability:Large-area cage side-guiding ensures precise axial alignment of the plug throughout its stroke. This robust guiding mechanism effectively suppresses mechanical vibration and high-frequency whistling generated by high-velocity fluid flow.3.Superior noise and cavitation control:The window-type throttling cage is hydrodynamically optimized to guide the flow and dissipate kinetic energy in stages. Compared to traditional single-seated valves, it provides better noise attenuation and higher resistance to cavitation, extending component life.4.High-precision proportional regulation:The mating surfaces of the plug and cage windows are precisely machined to provide linear or equal percentage characteristics. Paired with a smart positioner, it offers high positioning resolution and minimal dead zones for stable process control.5.Modular internal components:The cage, plug, and seat adopt a modular layout. Multiple flow coefficients (Kv) and characteristics can be flexibly converted by replacing cages without changing the valve body, facilitating easy selection and field modification.6.Durable and wear-resistant materials:Available in various high-grade materials, with sealing surfaces that can be hardened or hard-faced with Stellite. This ensures excellent sealing integrity under high-temperature, high-pressure, and abrasive media conditions.7.Tight shut-off performance:Utilizing advanced sealing technology, the valve is available with metal-to-metal (Class IV) or resilient soft seals (Class VI) to meet strict leakage requirements across different process flows.8.Convenient top-entry maintenance:The top-entry design allows for the vertical extraction of the actuator, bonnet, and internal assembly without removing the valve body from the pipeline, significantly reducing downtime and maintenance costs.

The ZHJM intelligent pneumatic high-performance cage control valve is an advanced industrial process control unit integrating a multi-spring pneumatic diaphragm actuator, an intelligent electro-pneumatic positioner, and a pressure-balanced cage-guided valve body. The valve receives standard 4-20mA signals from control systems, which the intelligent positioner accurately converts into pneumatic power to drive the linear movement of the plug within the cage, thus precisely regulating flow, pressure, or temperature. Due to the cage-guided design and pressure-balance holes, the fluid-induced unbalanced forces are effectively offset, providing exceptional dynamic stability, high allowable pressure differentials, and superior noise reduction. The ZHJM series is specifically engineered for automation systems in petroleum, chemical, power, and metallurgy industries where high regulation precision and long service life are required.Product Image of ZHJM Intelligent Pneumatic High-Performance Cage-Guided Control Valve Feature1. Pressure-balanced plug structure:The plug features precision balance holes to equalize pressure across the plug. This design significantly reduces the thrust required from the actuator, enabling stable control of high-pressure fluids with compact actuators.2.Cage-guided enhanced stability:The large-area side-guiding design ensures precise axial alignment throughout the full stroke. This robust guiding mechanism effectively suppresses mechanical vibration and high-frequency whistling caused by high-velocity flow through the windows.3.Superior noise and cavitation control:The throttling windows of the cage are hydrodynamically optimized to guide flow and dissipate kinetic energy in stages. Compared to traditional single-seated valves, it provides better noise attenuation and higher cavitation resistance.4.Highly intelligent control feedback:Equipped with an intelligent electro-pneumatic positioner supporting auto-calibration, self-diagnosis, and online monitoring. It features high positioning resolution and minimal dead zones for rapid response to control commands.5.Intrinsically safe fail-safe design:Powered by clean compressed air, the valve is naturally explosion-proof. Fail-safe modes (air-to-open or air-to-close) can be configured to ensure the valve automatically resets to a safe position upon air supply failure.6.Durable material system:Bodies and internals are available in various high-grade alloys. Sealing surfaces are typically hard-faced with Stellite or hardened to ensure excellent sealing integrity in high-temperature, high-pressure, and abrasive media.7.Modular internal interchangeability:Cages, plugs, and seats are modularly designed. Flow characteristics (linear or equal percentage) can be changed simply by replacing the cage without modifying the valve body.8.Convenient modular maintenance:The top-entry design allows the actuator, bonnet, and internal assembly to be extracted vertically without removing the valve body from the pipeline, significantly shortening maintenance downtime.

The ZSY electronically controlled pneumatic steam trap/drainage valve is an intelligent drainage unit integrating high-performance pneumatic actuation with electronic pilot control. It is specifically designed for high-pressure heater drainage, deaerator drainage, and condensate discharge in various thermal networks. By receiving electrical signals from DCS systems or level controllers, and utilizing solenoid valves or positioners, it converts pneumatic power into rapid mechanical displacement to move the plug. The ZSY series features specialized throttling and energy dissipation designs, effectively mitigating cavitation and flashing damage under high differential pressures. Combining electronic precision with pneumatic speed, this valve is widely used in high-temperature, high-pressure drainage systems across power, petrochemical, and paper industries.Product Image of ZSY Solenoid-Controlled Pneumatic Steam Trap Feature1.Rapid response and shut-off:Equipped with high-thrust pneumatic actuators and electronic pilot control, the valve completes opening or closing within seconds after receiving a command. This sensitivity ensures real-time level control, preventing water hammer damage to turbines or heat exchangers.2.Multi-stage throttling for energy dissipation:Internals utilize maze-type or multi-hole throttling structures to release pressure step-by-step. This design fundamentally suppresses cavitation and flashing, reduces noise levels, and significantly extends the life of sealing surfaces.3.Superior sealing and erosion resistance:The plug and seat sealing surfaces are fully hard-faced with Stellite cobalt-based alloy for extreme hardness. Combined with a single-seat structure, it ensures zero leakage in the closed position, minimizing energy loss in thermal systems.4.Intrinsic safety and fail-safe protection:Driven by compressed air, the valve is naturally explosion-proof. Built-in heavy-duty springs allow for fail-close or fail-open logic, ensuring the system automatically returns to a safe position during power or air supply failure.5.Integrated intelligent control logic:Supports 4-20mA regulation and real-time feedback when equipped with smart positioners and limit switches. This facilitates remote monitoring and precise logic interlocking within modern Industrial IoT environments.6.Durable pressure-resistant housing:Bodies are made of premium cast steel or alloy steel, meeting strict high-pressure standards. Flanged or welded connections ensure structural integrity under frequent high-temperature cycles.7.Precision guiding and stability:Utilizes cage-guided or long-stroke top-guided structures to ensure excellent concentricity. This eliminates vibrations caused by lateral fluid forces and maintains stability during regulation.8.Modular rapid maintenance:Scientific connection between actuator and body, combined with modular internals, allows for vertical extraction of components from the top without removing the valve from the line, reducing O&M costs.

ZG electric diaphragm valve is an industrial automation execution unit consisting of a high-performance intelligent electric actuator and a streamlined diaphragm valve body. The valve receives standard 4-20mA DC analog signals or switch signals from control systems. It utilizes electrical energy to drive the actuator's thrust, creating precise displacement of the elastic diaphragm relative to the seat to regulate flow area or achieve tight shut-off in real-time. Because the diaphragm completely isolates internals like the stem and bonnet from the medium, and the flow path is smooth and dead-zone-free, this series is specifically suited for aggressive chemicals, viscous slurries, fluids with suspended solids, and process industries requiring extreme hygienic cleanliness.Product Image of ZG Electric Diaphragm Valve Feature1.Superior corrosion resistance:The body cavity can be fully lined with fluoroplastics (PFA/FEP) or high-performance rubber. Combined with chemically resistant synthetic diaphragms, it withstands almost all strong acids, alkalis, and oxidants except molten alkali metals and elemental fluorine.2.Zero-leakage sealing structure:The flexible diaphragm acts as both the closing and sealing element, completely eliminating the need for traditional stem packing. While providing bubble-tight shut-off, it forms an absolute external seal barrier, preventing any risk of external leakage at the stem.3.Intelligent precision control:Equipped with an electronic electric actuator with an integrated servo system, supporting auto-calibration, position feedback, and self-diagnosis. Minimal dead zones and high sensitivity ensure continuous proportional regulation across the full stroke.4.Optimized hydrodynamic design:The internal flow path is wide and smooth, with a low resistance coefficient, effectively preventing medium accumulation or scaling. This structure is ideal for conveying high-viscosity fluids, fibrous pulps, and media with suspended solids.5.Hygienic standard compliance:The smooth internal surface has no stagnation areas, facilitating CIP (Clean-in-Place) and SIP (Steam-in-Place). It prevents bacterial growth, meeting the strict purity requirements of the biopharmaceutical and food industries.6.Comprehensive intelligent protection:The actuator features built-in electronic stroke limits, torque protection, and thermal protection. It supports fail-safe pre-setting (e.g., full open, full close, or fail-in-place) upon signal loss to ensure system safety.7.Flexible material configuration:Body materials are available in cast iron, cast steel, or stainless steel. Diaphragm components can be flexibly matched with materials like EPDM or PTFE based on process temperature and medium characteristics.8.Modular maintenance design:The structure is simple with few moving parts. Since the diaphragm is the only wearing part, its replacement is straightforward and does not require removing the entire valve from the pipeline, significantly reducing long-term O&M costs.

The ZHJPD pneumatic diaphragm cryogenic control valve is a precision automated execution unit specifically engineered for cryogenic services such as liquid nitrogen, liquid oxygen, liquid argon, and LNG. This valve consists of a multi-spring pneumatic diaphragm actuator and a single-seated valve body integrated with an extended long-neck bonnet. The core design features the extended bonnet to keep the packing box away from the cryogenic media, preventing the packing from freezing or losing elasticity, thereby ensuring reliable stem sealing. By receiving standard 4-20mA signals from control systems, the actuator converts air pressure into linear displacement via a positioner to achieve accurate proportional regulation of flow, pressure, and temperature. The ZHJPD series is characterized by its compact structure, sensitive response, impact resistance at low temperatures, and superior sealing, widely used in air separation units, gas liquefaction, and cryogenic scientific experiments.Product Image of ZHJPD Pneumatic Diaphragm Cryogenic Control Valve Feature1. Extended long-neck bonnet protection:Utilizes an extended bonnet to increase heat exchange surface area, maintaining the packing temperature above 0℃ to prevent ice damage and stem seizure.2.Cryogenic material system:Body and internals are made of austenitic stainless steel (e.g., 304, 316L) and undergo cryogenic treatment (liquid nitrogen soaking) before finishing to eliminate residual stress and ensure dimensional stability.3.Tight shut-off performance:The single-seated design combined with precision-ground surfaces maintains high sealing integrity under cryogenic conditions, meeting Class IV or VI (bubble-tight) standards.4.High-precision pneumatic actuator:Equipped with a compact multi-spring actuator for stable thrust and high positioning accuracy. Paired with a smart positioner, it achieves minimal dead zones and excellent linearity.5.Intrinsically safe attributes:Driven by compressed air, it eliminates spark risks, providing natural explosion protection suitable for flammable and explosive cryogenic gas environments.6.Optimized low-flow resistance path:The S-streamlined internal cavity ensures a small resistance coefficient and high flow capacity, significantly reducing pressure drop and cooling loss.7.Precision top-guided system:Large-area top-guiding ensures precise axial alignment of the plug throughout its stroke, effectively resisting mechanical vibration caused by fluid impact.8.Ease of maintenance and long life:The refined design allows for straightforward replacement of packing and internals. Key components meet cryogenic design codes, ensuring a long service life.

The T968Y electric steam trap/drainage regulating valve is a critical control device specifically engineered for high-pressure heater drainage, deaerator drainage, and condensate discharge in thermal power plants, petrochemicals, and industrial boiler systems. Consisting of a high-performance electric actuator and a valve body with a multi-stage pressure reduction structure, it receives standard analog signals from the control system to achieve precise proportional regulation of drainage flow. The core technology utilizes the multi-stage throttling energy dissipation principle to effectively distribute extreme pressure differentials, fundamentally preventing cavitation, flashing, and high-decibel noise during the drainage process. With Stellite hard alloy hard-facing on the seat and plug surfaces, the valve provides exceptional erosion resistance and tight shut-off performance under high-temperature and high-pressure environments, making it an ideal choice for ensuring thermal system safety and economic efficiency.Product Image of T968Y Electric Motor-operated Drain Control Valve Feature1. Multi-stage throttling to prevent cavitation:The unique cage-style or cascaded multi-stage pressure reduction design allows the medium pressure to drop step-by-step. This staged reduction ensures that the flow velocity at each stage is kept within safe limits, eliminating cavitation damage caused by high-pressure condensate.2.High-quality hard alloy sealing surfaces:The sealing surfaces of the plug and seat are fully hard-faced with Stellite cobalt-based alloy. It offers extreme hardness and superior resistance to high-temperature erosion and wear, maintaining tight sealing even under frequent cycling in harsh conditions.3.Intelligent integrated electric drive:Equipped with a high-precision intelligent electronic actuator with built-in servo control. It supports 4-20mA signal regulation and real-time position feedback, featuring overload protection, self-diagnosis, and fail-safe position presetting.4.Pressure-balanced plug design:For high pressure drop conditions, a balanced plug structure is utilized, using medium pressure to offset stem unbalanced forces. This reduces actuator load and significantly improves regulation stability and dynamic response speed.5.Excellent hydrodynamic performance:The valve body flow path is optimized with a wide and smooth cavity, providing a large flow coefficient. While ensuring efficient energy dissipation, it minimizes mechanical impact of the fluid on internal components.6.Structural safety for high temp and pressure:The body is typically forged from carbon steel or Cr-Mo alloy steel, with wall thicknesses meeting high-pressure valve standards. The all-welded end connection eliminates potential leakage risks associated with flanges under thermal fluctuations.7.Precision guiding and alignment:Utilizes a cage side-guided structure with a large and precise guiding area. This ensures excellent concentricity of the stem throughout its stroke, reducing friction and extending the service life of the packing seal.8.Modular design for easy maintenance:Internals are modularly arranged. During maintenance, the internal cage and plug assembly can be extracted vertically just by removing the bonnet. Core components can be replaced without cutting the valve body from the pipeline, shortening maintenance cycles.

The ZHJPX pneumatic small flow control valve is a precision execution unit specifically designed for the accurate control of micro-flow rates (on the scale of microliters or milliliters). It consists of a multi-spring pneumatic diaphragm actuator and a compact single-seated valve body. The core design features high-precision plug-and-seat sets (micro-flow trim), enabling proportional regulation for media with extremely low flow coefficients (Cv values). By receiving standard analog signals from control systems, the actuator utilizes compressed air to drive the stem for minute displacement, altering the throttling area in real-time. Due to its exceptional regulation resolution and sensitivity, the ZHJPX series is widely used in laboratory research, dosing systems, fine chemical proportioning, semiconductor manufacturing, and any process requiring extremely fine adjustment of fluid parameters.Product Image of ZHJPX Pneumatic Small-Flow Control Valve Feature1.Precise micro-flow regulation:Offers various micro-trim designs with minimum flow coefficients down to the milli-level. Precision-ground needle-type plugs paired with specialized seats ensure excellent equal percentage or linear characteristics under extremely low flow conditions.2.High-sensitivity drive and positioning:Equipped with a compact multi-spring pneumatic actuator featuring rapid response and minimal dead zones. Paired with a high-precision positioner, it achieves micron-level stroke positioning for dynamic stability.3.Superior sealing and durability:To address erosion issues common in small flow valves, plugs and seats are made of hardened stainless steel or hard-faced with Stellite, offering excellent erosion resistance. The single-seat structure ensures bubble-tight shut-off.4.Diverse materials and high cleanliness:Body materials include premium stainless steels like 304 and 316L. Fine polishing of internal walls ensures smooth flow without dead ends, preventing residue and particle accumulation for high-purity fluid control.5.Intrinsically safe attributes:Powered by compressed air, providing natural explosion protection for hazardous areas. Supports fail-open or fail-close configurations to ensure system safety during air supply failure.6.Lightweight and compact design:Minimal dimensions significantly reduce installation height and weight in lab cabinets or dense networks. The scientific yoke design facilitates the integration of positioners and accessories.7.Pressure and temperature stability:The high-strength body ensures no mechanical deformation under high pressure drops. The precision sealing system offsets thermal expansion impacts on micro-regulation accuracy.8.Convenient modular maintenance:The streamlined design features minimal wearing parts. Due to the high integration of micro-internals, rapid online inspection and replacement of the plug assembly can be performed without removing the valve from the line.

V230Y21/22 self-operated micro-pressure regulating valve is an energy-saving control valve that realizes precise automatic adjustment of extremely small pressures by utilizing the energy of the regulated medium itself without external energy sources. The core of the valve is equipped with a large-area pressure-sensing actuator. Through a pressure-tapping pipe, the weak upstream or downstream pressure signal is introduced into the pressure-sensing diaphragm chamber. This allows the medium pressure to generate a sensitive thrust on the huge diaphragm and form a sensitive dynamic force balance with the high-precision preset spring force. The actuator drives the valve stem in precise displacement according to pressure deviations on the millibar (mbar) scale, changing the flow area between the valve plug and seat to achieve accurate compensation of fluid pressure. It is divided into the nitrogen-supply reducing type (Y21, normally open) for controlling downstream pressure and the nitrogen-venting relief type (Y22, normally closed) for controlling upstream pressure. It typically adopts a soft-seal structure design to ensure bubble-tight sealing integrity and extremely high adjustment sensitivity under ultra-low pressure conditions. V230Y21/22 series micro-pressure regulating valves feature high sensitivity, excellent low-pressure stabilization performance, simple structure, and intrinsic explosion-proof safety. They are widely used in petrochemical tank blanketing systems, industrial kiln gas ratio control, and various precision gas-phase micro-pressure balance systems in the semiconductor and pharmaceutical fields.Product Image of V230Y21/22 Self-operated Micro-pressure Regulating ValveFeature1. Energy-saving self-operated drive:Requires no electricity or air supply. It directly utilizes the pressure energy of the regulated medium (such as nitrogen, air, natural gas, etc.) to drive the actuator, which is energy-saving and significantly reduces the cost of automated piping.2.Dual micro-pressure control logic:Available in Y21 (downstream supply type, e.g., nitrogen supply valve) and Y22 (upstream venting type, e.g., nitrogen vent valve) forms to flexibly construct tank blanketing systems or other micro-pressure balance conditions.3.Precision pressure-balanced structure:The valve plug adopts a pressure-balanced design (such as balanced bellows or piston structure), which effectively eliminates the influence of high pressure differential on adjustment accuracy, ensuring stable outlet micro-pressure even when inlet pressure fluctuations are large.4.Millibar-scale sensitive pressure sensing:The core actuator is equipped with an ultra-large area high-quality pressure-sensing diaphragm, which can accurately sense minute pressure changes as low as millibar (mbar) levels, offering extremely fast dynamic response suitable for precise control under ultra-low pressure.5.Precise and convenient micro-pressure setting:The valve is equipped with a high-sensitivity adjustment spring, allowing users to easily set target pressure values within a very small range (e.g., 0.5KPa to several KPa) through a fine-tuning nut. Field commissioning is intuitive and efficient.6.Bubble-tight sealing integrity:The valve plug and seat mostly adopt a soft-seal structure design and undergo precision machining to ensure bubble-level sealing performance during ultra-low pressure shut-off, effectively preventing the leakage and waste of valuable process gases.7.Intrinsic explosion-proof safety:The adjustment process relies entirely on mechanical physical actions without any electrical signals involved. It possesses inherent safety attributes, particularly suitable for flammable, explosive, and harsh environments such as petrochemical plants and oil storage tanks.8.Modular maintenance and long-term operation:The overall structure is compact with a scientific connection between the actuator and valve body. Key wearing parts like diaphragms and seals adopt a modular design, allowing replacement and maintenance without complex tools, significantly shortening system downtime.

V230Y01/02 (B, K) self-operated pressure regulating valve is an energy-saving control valve that realizes automatic pipeline pressure stabilization or relief by utilizing the energy of the regulated medium itself to balance with the spring force in the actuator, requiring no external energy sources. The valve operates on a self-feedback regulation principle, where the upstream or downstream pressure is introduced into the pressure-sensing diaphragm chamber of the actuator through a pressure-tapping pipe. The thrust generated by the medium pressure acts directly on the diaphragm and forms a dynamic force balance with the preset spring tension. The actuator drives the valve stem in a reciprocating motion according to changes in pressure deviation, real-time changing the flow area between the valve plug and seat to precisely control the fluid pressure drop. It is divided into the pressure reducing and stabilizing type (K-type, normally open) for controlling downstream pressure and the relief and back-pressure type (B-type, normally closed) for controlling upstream pressure. The sealing pair can adopt soft sealing or high-precision hard sealing technology to ensure excellent sealing integrity and adjustment accuracy under different temperature and pressure conditions. V230Y series self-operated pressure regulating valves feature simple structure, rapid response, wide setting range, and intrinsic explosion-proof safety. They are widely used for automatic constant pressure control of water, gas, steam, and oil media in petroleum, chemical, power, water supply and drainage, and urban heating systems.Structural Drawing of V230Y01/02 (B, K) Self-operated Pressure Regulating Valve Feature1.Energy-saving self-operated drive:Requires no external energy such as electricity or air supply. It directly utilizes the pressure energy of the regulated medium to drive the actuator, saving energy and significantly reducing system automation costs.2.Dual pressure regulation logic:Equipped with K-type (downstream pressure control) and B-type (upstream pressure control) forms to flexibly meet process requirements for pipeline pressure reduction or relief and back-pressure maintenance.3.Pressure-balanced structure:The valve plug adopts a pressure-balanced design (such as balanced bellows, piston, or balancing holes) to effectively offset the unbalanced force generated by the pressure differential, allowing the valve to maintain high precision even under large pressure fluctuations.4.Sensitive pressure-sensing feedback:The actuator is equipped with a large-area high-quality pressure-sensing diaphragm, which can precisely sense minute changes in pipeline pressure and rapidly feedback to the driving components, ensuring short dynamic response time and extremely high stabilization accuracy.5.Convenient setting and adjustment:The valve is equipped with high-performance adjustment springs and nuts, allowing users to easily set target pressure values within a wide range by adjusting the spring preload. Field commissioning is intuitive and simple.6.Durable and reliable materials:Valve bodies are available in various materials such as cast steel (WCB) or stainless steel (CF8/CF8M). Key seals and internals undergo precision machining and hardening treatments for erosion resistance and fatigue resistance, suitable for long-term continuous operation.7.Intrinsic explosion-proof safety:The adjustment process is purely a mechanical physical action without any electrical signals involved. It possesses inherent safety attributes, particularly suitable for flammable, explosive, and harsh environments such as oil, natural gas, and chemical reagents.8.Simple and economical maintenance:The overall structure is compact with minimal moving parts, resulting in a low failure rate. Components adopt a modular design, making disassembly, cleaning, and replacement of wearing parts possible without complex tools, significantly reducing downstream operation and maintenance expenses.

V230Y11/12 self-operated differential (micro) pressure regulating valve is an energy-saving control valve that realizes automatic and precise adjustment of the pressure difference between two points in a pipeline by utilizing the energy of the regulated medium itself, requiring no external energy sources. The valve core is equipped with a high-performance dual-sensing actuator. Through two pressure-tapping pipes at the high-pressure and low-pressure ends, the differential pressure signal is simultaneously introduced into the pressure-sensing diaphragm chamber. This allows the medium pressure differential to generate precise thrust on the sensitive diaphragm, forming a dynamic force balance with the preset spring tension. The actuator drives the valve stem in a linear displacement according to minute fluctuations in the differential pressure, real-time changing the flow area between the valve plug and seat to achieve precise compensation and constant control of the system differential pressure. It is divided into the relief-bypass type (Y11, normally closed) where the valve opens as the differential pressure rises, and the pressure-stabilizing control type (Y12, normally open) where the valve closes as the differential pressure rises. The sealing pair can adopt soft sealing or hard sealing technology based on specific conditions, ensuring excellent adjustment accuracy and shut-off integrity under various pressure gradients. V230Y11/12 series differential pressure regulating valves feature compact structure, rapid response, wide differential pressure setting range, and intrinsic explosion-proof safety. They are widely used in central air-conditioning supply and return water balance systems, industrial pump group bypass protection, filter differential pressure monitoring, and various precision differential pressure balance and flow control systems in petroleum and chemical processes.Product Image of V230Y11-12 Self-operated Differential (Micro) Pressure Regulating Valve Feature1.Energy-saving self-operated drive:Requires no electricity or air supply. It directly utilizes the pressure difference of the process medium as the power source to drive the actuator, saving energy and significantly reducing system automation and long-term operating costs.2.Dual differential pressure control logic:Available in Y11 (opens on DP rise for relief bypass) and Y12 (closes on DP rise for DP balance/stabilization) forms to flexibly meet requirements for circulating pump bypass protection, filter DP balance, and various process DP controls.3.Precision pressure-balanced structure:The valve plug adopts a pressure-balanced design (such as balanced bellows or piston structure) to effectively offset the unbalanced force generated by high-pressure end fluctuations, ensuring the set DP value remains constant even under severe fluctuations in total system pressure.4.High-sensitivity dual-chamber sensing feedback:The actuator utilizes a dual pressure-sensing chamber design. Two sets of pressure-tapping lines capture signals from the high and low-pressure ends of the system simultaneously, achieving dynamic DP comparison on a precision large-area diaphragm with extremely agile response and high accuracy.5.Precise and convenient DP setting:Equipped with high-performance adjustment springs and fine-tuning nuts, allowing users to flexibly preset target DP values within a wide range. The adjustment process is smooth and linear, making field commissioning intuitive and efficient.6.Excellent sealing integrity:Soft sealing for bubble-tight shut-off or precision-ground hard sealing structures can be selected based on media characteristics, ensuring high shut-off performance when the valve closes at the predetermined DP, effectively protecting system efficiency and energy consumption.7.Intrinsic explosion-proof safety:The entire adjustment process relies completely on mechanical physical actions without any electrical signal transmission. It possesses inherent safety attributes, particularly suitable for harsh industrial environments such as petroleum, natural gas, and other flammable or explosive conditions.8.Modular maintenance and long-term operation:The overall structure is compact. Actuators and valve bodies are connected using scientific modular methods. Key internals and sensing diaphragms can be replaced without complex specialized tools, significantly shortening system maintenance cycles.

OverviewV230W01/02 self-operated temperature regulating valve is an energy-saving control valve that realizes automatic temperature control by directly utilizing the energy of the regulated medium itself without external energy sources (such as electricity or compressed air). The valve mainly consists of a temperature sensor (bulb), an actuator, a regulating valve body, and a capillary tube. It operates based on the physical principle of thermal expansion of the sensing liquid filled in the bulb. The temperature sensor converts detected temperature changes into pressure signals, which are transmitted through the capillary tube to the actuator to drive the valve stem displacement. This changes the flow area between the valve plug and seat, achieving precise regulation of the flow of heating media (such as steam or hot water) or cooling media. This series of valves is generally divided into two types: heating type (valve closes as temperature rises) and cooling type (valve opens as temperature rises), namely models V230W01 and V230W02. The valve body often adopts a pressure-balanced design to effectively offset unbalanced forces before and after the valve, maintaining high adjustment accuracy and stability even under fluctuating pressure conditions. During the control process, the system automatically performs dynamic feedback compensation according to the set temperature value to stabilize the target temperature within a determined range. V230W01/02 self-operated temperature regulating valve features a wide temperature control range, sensitive response, explosion-proof safety, and energy saving. It is widely used in fluid temperature automatic control systems in HVAC, water heating, heat exchange stations, as well as petroleum, chemical, and textile industries.Product Image of V230W01/02 Self-operated Temperature Regulating Valve Feature1.Energy-saving self-operated drive:Requires no electricity or air supply. It directly utilizes the heat of the regulated medium to drive the actuator, saving energy and reducing system supporting costs.2.Dual temperature control logic:Available in heating type (V230W01, closes on rising temperature) and cooling type (V230W02, opens on rising temperature) to flexibly meet different process requirements such as heating, heat exchange, or equipment cooling.3.Pressure-balanced structure:The valve plug adopts a pressure-balanced design (such as balanced bellows or balancing holes) to effectively offset the unbalanced force caused by the pressure differential, ensuring high adjustment precision and stable anti-interference operation.4.Highly sensitive temperature sensing:The sensing bulb uses medium with a high expansion coefficient, providing sensitive induction and rapid response to temperature changes. Real-time dynamic compensation in the control process is achieved via precision capillary pressure transmission.5.Convenient setting and adjustment:The valve body is equipped with a clear temperature adjustment handwheel and setting scale, allowing users to easily preset the target temperature within a wide range. Field commissioning is intuitive and simple.6.Durable and reliable materials:Valve bodies are available in cast steel (WCB) or stainless steel (CF8/CF8M). Internal parts undergo precision machining and heat treatment, offering resistance to high temperature and erosion for long-term continuous operation.7.Intrinsic explosion-proof safety:As it involves no electrical signal transmission or electric actuators, the valve possesses inherent safety attributes, making it particularly suitable for automatic temperature control in flammable, explosive, and humid environments.8.Simple and economical maintenance:The overall structure is compact with few moving parts, resulting in a low failure rate. The connection between the actuator and valve body is scientifically designed, requiring no special tools for disassembly and maintenance, which significantly reduces operating costs.

The ZT self-operated electronically controlled temperature regulating valve is an automated fluid control unit integrating a high-precision Pt100 temperature sensor, an intelligent electronic controller, and an electric actuator. The valve eliminates the need for external DCS or PLC systems; it monitors the controlled medium's temperature via its own sensor and feeds data to the microprocessor inside the intelligent actuator. The actuator performs PID calculations based on the preset temperature and drives the valve stem for linear displacement, accurately regulating the flow of heating media (steam, hot water) or cooling media. Available in heating (closes on temperature rise) and cooling (opens on temperature rise) types, this series is widely used in heat exchange stations, domestic hot water systems, food processing, pharmaceuticals, and various heat exchangers in chemical processes.Product Image of ZT Self-operated Electric Temperature Control Valve Feature1.Highly integrated intelligent control:Combines sensor, controller, and actuator in one unit, simplifying system integration and eliminating the need for separate control cabinets, which significantly reduces costs and installation space.2.High-precision PID regulation:Through electronic continuous sampling and intelligent algorithms, it achieves microsecond-level response and precise compensation, with temperature control accuracy up to ±1℃, effectively overcoming the lag of traditional mechanical valves.3.Flexible control logic switching:Equipped with both heating and cooling modes. Users can easily set target temperatures and action directions via the actuator panel to meet various requirements such as heating, air conditioning, or equipment cooling.4.Durable valve body construction:Body materials available in cast steel or stainless steel, with internals made of hardened stainless steel. It offers excellent resistance to erosion and high temperatures for long-term stable operation in harsh thermal cycles.5.Pressure-balanced structure:The valve plug typically adopts a pressure-balanced design to offset unbalanced forces from the media pressure differential. This allows smaller actuators to handle high-pressure fluids, ensuring a smooth regulation process.6.Real-time monitoring and diagnosis:The actuator features an LED or LCD screen to display current temperature, set point, and valve position. It includes protection against sensor disconnection, motor stall alarms, and power-off memory for parameters.7.Intrinsic safety and electrical protection:The actuator has a high protection rating and built-in thermal protection switches and electrical limits. In case of abnormal temperature rise, it can execute a safety reset based on presets.8.Ease of maintenance and long life:Compact design with few moving parts leads to minimal mechanical wear. The top-entry design allows for internal maintenance without removing the valve from the line, lowering O&M costs.

The ZL self-operated flow control valve is an energy-saving device that utilizes the energy of the regulated medium itself to maintain a constant flow rate without the need for external power. The valve primarily consists of a regulating body, an actuator, and an orifice plate with preset resistance. Its operating principle involves a built-in pressure compensation mechanism that senses the differential pressure across the orifice in real-time. By automatically adjusting the plug opening to maintain a dynamic balance between the medium pressure and spring force, it ensures the output flow remains at the set value despite fluctuations in network pressure. The ZL series is widely used in district heating, central air conditioning chilled/hot water systems, and industrial circulating water systems as key equipment for resolving hydraulic imbalance and improving energy efficiency.Product Image of ZL Self-operated Flow Control Valve Feature1.No external power required:Directly utilizes the pressure energy of the medium for automatic regulation. Consuming no electricity or air supply significantly reduces supporting system costs and operating expenses, providing excellent energy-saving attributes.2.Excellent pressure-independent characteristics:Equipped with high-sensitivity pressure-sensing diaphragms to effectively offset interference from network pressure fluctuations. Within the rated differential pressure range, the output flow remains stable regardless of upstream or downstream pressure changes.3.High-precision constant flow control:Utilizes hydrodynamically optimized plug and cage structures for superior linearity and minimal dead zones. Flow error is typically maintained within ±5%, ensuring precise heat or cooling distribution across branches.4.Simple and intuitive adjustment:Equipped with a clear flow setting dial or adjustment nut. Users can complete flow presetting on-site with simple rotation according to design requirements, eliminating the need for tedious manual pre-commissioning.5.Durable and reliable material system:Bodies are available in cast steel or stainless steel. Key internals such as diaphragms, springs, and sealing pairs are made of corrosion-resistant and fatigue-resistant materials to ensure long-term sensitivity.6.Significant noise reduction:Optimized flow path design and multi-hole throttling technology effectively reduce noise and vibration during high-velocity flow, extending the service life of the piping system and related instruments.7.Intrinsic safety and low failure rate:The absence of complex electronic components or fragile moving parts results in a very low failure rate. The purely mechanical regulation ensures high reliability under harsh conditions.8.Compact installation layout:The scientific connection between actuator and body ensures a small overall footprint. It can be flexibly arranged in heat exchange stations, building entrances, and terminal branches, greatly simplifying hydraulic balance design.

The ZJC high-performance program control valve is an automated switching unit specifically designed for Pressure Swing Adsorption (PSA) units, gas separation, and hydrogen recovery systems. Comprising a high-efficiency pneumatic piston actuator and a high-sealing globe or ball-style body, it receives program signals from PLC or DCS systems to achieve frequent and rapid on/off control of hydrogen, natural gas, shift gas, and various dry gases. Addressing the challenges of PSA processes—such as high switching frequency, pressure fluctuations, and strict sealing requirements—the ZJC series features reinforced axial guiding and specialized wear-resistant sealing pairs. With its exceptional performance in maintaining zero leakage over millions of cycles, this product is a core execution component for gas purification processes in petroleum refining, fertilizers, metallurgy, and fine chemicals.Product Image of ZJC Program-Controlled Valve Feature1.High-frequency reciprocating design:Targeting PSA conditions with multiple switches per hour, the mechanism uses low-friction self-lubricating materials and high-strength shafts to ensure structural stability and synchronization over millions of cycles.2.Bubble-tight shut-off performance:Sealing pairs are precision-machined. Depending on media composition, high-performance resilient seals or ground hard alloy seals can be configured. Zero leakage is achieved in both flow directions, effectively preventing process gas bypass.3.Rapid action response:Equipped with high-thrust pneumatic piston actuators, response times are between 0.5-1.5 seconds. Powerful force ensures full stroke completion within minimum time to meet strict sequence control timing.4.Erosion and scaling resistance:The streamlined internal cavity minimizes flow resistance. Sealing surfaces are typically hardened (e.g., nitriding or tungsten carbide coating) to resist high-velocity gas erosion and impurity buildup.5.Intrinsic safety and fail-safe logic:Driven by compressed air with inherent explosion-proof properties. Fail-safe modes (fail-open or fail-close) can be configured to protect the plant during air supply loss.6.Compact and lightweight structure:Integrated design minimizes installation footprint. Its lower weight compared to traditional valves reduces the load requirements on support platforms for dense valve skids.7.Integrated feedback system:Easily equipped with explosion-proof solenoid valves, limit switches, and smart positioners. Precise signal feedback allows for real-time monitoring of action accuracy and frequency.8.Modular maintenance:Standardized components with minimal wearing parts. The top-entry design allows for seal inspection and replacement without removing the valve from the line, significantly reducing maintenance downtime.

The J641H pneumatic piston fast shut-off valve is an industrial safety control unit consisting of a high-thrust pneumatic piston actuator and a high-sealing straight-through single-seated valve body. This valve is specifically designed for Emergency Shutdown (ESD) or programmed opening applications in industries such as petroleum, chemical, and power where safety requirements are extremely stringent. By controlling the air supply direction via solenoid valves, the compressed air drives the piston at high speed within the cylinder, completing the full stroke in milliseconds to seconds. Due to the piston-type drive mechanism, its output thrust significantly exceeds that of traditional diaphragm valves, making it ideal for tight shut-off in high-pressure differential and large-diameter pipelines. The J641H series is a critical protective device for ensuring the inherent safety of process flows.Product Image of J641H Pneumatic Piston Quick Shut-off Valve Feature1.Rapid action response:Equipped with a high-performance piston actuator, utilizing the instantaneous energy release of compressed air to generate powerful force. The rapid speed can quickly cut off medium flow in critical moments, effectively preventing accidents from escalating.2.Extreme output thrust and pressure differential resistance:The cylinder actuator features high pressure ratings and a large effective area, providing immense closing force. This ensures the disc is pressed tightly against the seat even under complex high-pressure drop conditions for reliable mechanical sealing.3.Bubble-tight shut-off performance:The sealing pair is precision-ground and available in metal-to-metal or soft-seat configurations. It achieves true zero leakage in the closed position, effectively protecting downstream pipelines and expensive equipment.4.Intrinsic safety and fail-safe logic:Driven by compressed air, it is naturally explosion-proof. Supports fail-safe modes (e.g., fail-closed), relying on built-in heavy-duty springs to force the valve to its safety position during power or air supply failure.5.Robust construction for high-frequency operation:The inner cylinder wall is hardened and mirror-polished for minimal friction. The rugged structure is vibration-resistant and capable of handling frequent cycling without mechanical fatigue, ensuring a long service life.6.Streamlined flow path and high capacity:The valve body features an S-shaped flow design with smooth internal cavities and minimal resistance. It meets process discharge requirements while significantly reducing pressure drop during medium flow.7.Environmental resistance and easy service:The high protection rating of the actuator housing suits outdoor, humid, or dusty environments. Standardized components and fewer wearing parts allow for rapid on-site maintenance without removing the valve from the line.8.Integrated intelligent accessories:Easily equipped with intelligent solenoid valves, limit switches, and filter regulators. Supports real-time monitoring via DCS with accurate feedback for complex interlocking control.

The VK ultra-compact electric control valve is a precision industrial control unit consisting of a highly integrated miniature electronic actuator and a compact regulating valve body. This valve is specifically engineered for conditions with restricted installation space, requirements for high-resolution regulation, and small flow rates. By receiving standard 4-20mA DC or 0-10V DC signals from control systems, the integrated servo system drives the stem to move the plug with high precision, thereby adjusting the fluid flow area in real-time. With dimensions significantly smaller than conventional valves (typically over 50% weight reduction), the ZP series is widely used in laboratory equipment, medical instruments, fine chemical dosing systems, and light-duty HVAC terminal controls.Product Image of VK Ultra-Compact Electric Control Valve Feature1. Ultra-compact design:The overall structure is extremely optimized for space, greatly reducing height and weight. This allows the valve to be easily arranged in narrow equipment compartments or dense piping groups, significantly improving space utilization.2.High-precision proportional regulation:The valve plug is precision-ground to provide an excellent flow characteristic curve. With high positioning resolution and a minimal dead zone, it captures and responds to minute signal fluctuations, ensuring stable process parameters.3.Intelligent integrated control module:The actuator features built-in electronic servo circuitry, eliminating the need for external amplifiers. It supports non-intrusive stroke setting and self-diagnosis, offering strong anti-interference performance for automated systems.4.Flexible connection options:Available with internal/external threads, small flanges, compression fittings, or quick-release connections. The flexible interface design simplifies installation across various instrumentation networks.5.Smooth operation and low noise:The transmission uses high-precision gear sets and damping technology to ensure smooth plug displacement. It effectively suppresses tremors and hydrodynamic noise during regulation, meeting silent environment requirements.6.Mechanical self-locking and protection:The transmission mechanism provides inherent mechanical self-locking, firmly holding the valve position during power loss. Built-in overload and thermal protection logic prevent motor damage caused by accidental stalling.7.Wide material adaptability:Body materials include brass, stainless steel (304/316L), or engineering plastics. Internals can be hardened to handle clean water, gases, oils, and general corrosive fluids.8.Low energy consumption:Optimized control algorithms and high-efficiency motors ensure minimal power consumption during standby and operation, aligning with energy-saving industrial design concepts.

ZSPQ pneumatic piston-type fast shut-off valve is an industrial safety control unit consisting of a high-thrust pneumatic piston actuator and a high-sealing straight-through single-seated valve body. It is specifically designed for emergency shut-off, opening, and automated sequence control of fluid media during production processes. The core power source is compressed air. By utilizing a matching solenoid valve to control the flow of air into the upper and lower chambers of the actuator, the piston is driven to move rapidly within the cylinder, thereby causing instantaneous linear movement of the stem and plug relative to the seat. Compared to traditional pneumatic diaphragm control valves, the ZSPQ model offers significant advantages such as faster response, larger opening/closing thrust, higher frequency of action, and excellent mechanical self-locking capabilities. It can achieve complete and tight pipe closure within seconds or even milliseconds. The sealing structure utilizes a strict single-seated design with precision-ground sealing surfaces to ensure bubble-tight zero leakage under various pressure gradients. ZSPQ valves feature a simple structure, reliable action, and strong vibration resistance, and are widely used in emergency protection systems for flammable, explosive, high-pressure gas or liquid media in the petroleum, chemical, metallurgical, and power industries, serving as critical execution equipment for the safe and stable operation of the entire process.Product Image of ZSPQ Pneumatic Piston-type Fast Shut-off ValveFeatures1.Extremely fast response and instantaneous shut-off:Utilizing a piston actuator as the power source and the instantaneous energy release of compressed air in the cylinder to generate powerful force, its opening/closing speed is significantly superior to diaphragm valves. This millisecond-level response is vital for Emergency Shutdown Systems (ESD).2.High output thrust and differential pressure resistance:The piston actuator cylinder has high pressure ratings and a large effective area, outputting extreme thrust. This ensures the plug is pressed tightly against the seat even under complex high-pressure differential conditions, solving the issue of incomplete closure caused by fluid impact.3.Bubble-tight shut-off performance:The single-seated design features precision-ground sealing pairs. Depending on the conditions, soft seals or Stellite-overlaid hard seals can be selected. When closed, it forms an absolute fluid barrier with zero leakage, preventing loss of valuable or hazardous media.4.Intrinsic safety and fail-safe function:The actuator features a built-in heavy-duty return spring, supporting fail-close or fail-open logic. In the event of air or power failure, the valve automatically resets to a preset safety position via mechanical spring force, preventing process loss of control.5.Robust structure and high-frequency operation:Piston moving parts are uniformly stressed, and the inner cylinder wall is hardened and mirror-polished for superior wear resistance. The valve supports extremely high cycle frequencies without mechanical fatigue, meeting the needs of automated lines for frequent switching.6.Compact design and installation flexibility:Compared to diaphragm actuators with equivalent thrust, piston actuators are much smaller and more compact, reducing installation height and footprint. The valve supports horizontal, vertical, or tilted installation, facilitating layout in narrow spaces.7.Material systems for harsh environments:Body and internals are available in cast steel, stainless steel (304/316L), and various alloys. For abrasive or corrosive media, sealing surfaces can be thickened with hard-facing or chemical treatment to ensure long-term service.8.Low maintenance cost and modular interchangeability:All components adopt standardized and modular designs. With few wearing parts and high universality, the scientific connection between the actuator and body allows for rapid assembly/disassembly without removing the pipe, reducing maintenance costs.

ZSSV pneumatic V-port piston-actuated control ball valve is an advanced control valve that integrates high-precision regulation and powerful shut-off functions. It consists of a high-thrust pneumatic piston actuator and a hemispherical valve core with a V-shaped notch. By receiving 4-20mA standard signals from DCS or PLC systems, the actuator outputs rotational torque to drive the V-port ball core to perform precise rotation from 0 to 90 degrees within the seat. The core design lies in the shearing action formed between the V-shaped opening on the ball and the valve seat, which effectively cuts through fibers, pulp, and viscous particles in the medium during rotation, while exhibiting excellent equal percentage flow characteristics. Due to the piston-type drive mechanism, it offers large output torque, agile action, and a compact structure. It is particularly suitable for precise flow and pressure control of media containing solid particles, slurries, fibers, or high-viscosity fluids in the paper, chemical fiber, petrochemical, and power industries. With its exceptional erosion resistance, high rangeability, and tight shut-off capability, the ZSSV model is a key control unit for handling harsh media in modern automated process flows.Product Image of ZSSV Pneumatic V-port Piston Actuated Control Ball Valve Features1.Superior shearing force and anti-clogging performance:The edge of the V-port ball core is designed with a sharp blade, creating a powerful shearing action against the metal seat during the rotation and closing process. This structure easily cuts through fibers, impurities, and crystals in the medium, effectively preventing valve jamming, making it ideal for controlling pulp, sewage, and particulate-laden slurries.2.High-precision equal percentage flow characteristics:The shape of the V-opening on the ball core is precisely calculated to provide ideal equal percentage flow characteristics within the regulation range. Its large rangeability (typically 100:1 to 300:1) ensures high regulation sensitivity even at small openings, maintaining stable and accurate process parameters.3.Powerful piston drive and stable control:Equipped with a high-performance pneumatic piston actuator, which converts linear force into rotational torque through rack-and-pinion or scotch-yoke structures. The output thrust is significantly superior to traditional diaphragm actuators, ensuring precise positioning and reliable action even under high pressure differential conditions.4.Single-seat design and self-cleaning function:Utilizing a single-seat structure eliminates the safety hazards of pressure accumulation in the middle cavity. The fluid flushing effect generated by the rotating ball core real-time removes scale from the sealing surface. Combined with a hardened spherical surface, it possesses strong wear resistance and self-cleaning capabilities, significantly extending maintenance cycles.5.Bubble-tight sealing and bidirectional reliability:Soft-sealed or metal-to-metal hard-sealed structures can be selected based on working conditions. The sealing pair is precision-ground to ensure tight shut-off in the fully closed position. The metal hard-seal structure is resistant to high temperatures and erosion, maintaining extremely low leakage rates even in harsh industrial environments.6.Intrinsic safety and fail-safe function:Utilizing compressed air as the drive source provides natural explosion-proof attributes. Combined with solenoid valves or intelligent positioners, fail-open or fail-close modes can be flexibly set, ensuring the system automatically returns to a safe preset position during unexpected power or air source failures.7.Compact layout and installation flexibility:The scientific connection between the piston actuator and the valve body results in small overall dimensions and light weight. The valve supports installation at any angle on horizontal or vertical pipelines, greatly facilitating compact piping layouts in complex and narrow spaces.8.Low maintenance cost and modular design:The entire series of components adopts standardized designs. Internal parts such as the seat, bushing, and sealing packing are modularly configured, allowing for rapid inspection and part replacement without large-scale pipeline disassembly, significantly improving the overall operational efficiency of the plant.

The ZJHY pneumatic tank bottom discharge control valve is an industrial automation execution unit specifically designed for installation at the bottom of reactors, storage tanks, and various vessels for media discharge, unloading, and precise flow regulation. Integrating a high-performance multi-spring pneumatic diaphragm actuator with a specialized tank-bottom valve body, its core design objective is the complete elimination of dead zones at the vessel outlet. By receiving standard 4-20mA signals from control systems, the actuator drives the stem to move the plug (available in either disc-upward opening into the tank or disc-downward opening into the valve) to achieve accurate proportional control. Since the seat is flush with the inner wall when closed, this valve is ideal for harsh process environments involving coking, high viscosity, and solid particles in the petrochemical, pharmaceutical, and food industries.Product Image of ZJHY Pneumatic Tank Bottom Drain Control Valve Feature1.Total elimination of discharge dead space:The body structure is optimized for bottom mounting, ensuring the disc remains virtually flush with the vessel's inner bottom wall in the closed position. This fundamentally prevents media accumulation, coking, or crystallization at the outlet.2.Superior self-cleaning and erosion resistance:The streamlined flow path with a high discharge slope minimizes resistance. Upon opening, the powerful flush formed by the vessel's static pressure automatically cleans the sealing surfaces, preventing material buildup.3.Precision pneumatic proportional control:Equipped with a compact multi-spring pneumatic actuator providing high thrust and sensitivity. Paired with a smart positioner, it offers excellent linear or equal percentage flow characteristics for stable process parameters.4.Intrinsic safety and fail-safe protection:Driven by compressed air, it possesses natural explosion-proof attributes. Fail-safe modes (air-to-open or air-to-close) can be configured to ensure the valve resets to a safe position upon power air supply failure.5.High temperature and pressure structural strength:Bodies are manufactured from premium cast steel, stainless steel, or corrosion-resistant alloys. Sealing surfaces are reinforced with Stellite hard-facing, ensuring long service life under high-pressure thermal cycles.6.Vacuum and tight-seal performance:Precision-ground sealing pairs combined with high-performance packing maintain bubble-tight shut-off under high vacuum or high pressure differentials. The back-seat design protects packing from direct media contact.7.Compact and lightweight layout:The integrated design significantly reduces installation height and weight, facilitating compact arrangements in the narrow spaces under reactors and reducing the load on vessel interfaces.8.Modular maintenance and durability:Internals adopt a modular layout. During maintenance, the actuator and plug assembly can be extracted vertically by loosening the bonnet bolts, allowing online inspection without removing the entire valve body.

ZHYO pneumatic tank bottom control valve is an automated control device specifically designed for installation at the bottom of reactors, storage tanks, and other vessels for media discharge, feeding, and precise flow regulation. Integrating a high-performance pneumatic diaphragm actuator with a specialized tank-bottom valve body, its core design focuses on eliminating the "dead-zone" phenomenon at the vessel outlet. By receiving standard 4-20mA signals from control systems, the actuator drives the stem to move the plug (available in either disc-upward opening or disc-downward opening configurations) to achieve precise flow proportioning and liquid level control. Since the valve body is directly flanged to the tank bottom and the disc remains flush with the inner wall when closed, this valve is ideal for harsh process environments involving crystallization, high viscosity, and particulate impurities in the petrochemical, pharmaceutical, bioengineering, and food industries.Product Image of ZHYO Pneumatic Tank Bottom Control Valve Features1. Total elimination of dead space:The body structure is optimized for tank-bottom mounting, with the disc remaining virtually flush with the vessel's inner bottom wall in the closed position. This effectively prevents media accumulation, clumping, or crystallization at the outlet, ensuring complete drainage during material changes.2.Superior anti-clogging and erosion resistance:The streamlined, high-slope flow path ensures smooth media passage with an extremely low resistance coefficient. Upon opening, the high-velocity fluid automatically flushes the sealing surface, providing excellent self-cleaning capabilities suitable for abrasive slurries.3.Precision pneumatic proportional regulation:Equipped with a compact multi-spring pneumatic diaphragm actuator providing high thrust. Paired with an intelligent positioner, it enables high-resolution linear or equal percentage regulation for stable reaction parameters.4.Intrinsic safety and fail-safe protection:Driven by compressed air, the valve is inherently explosion-proof. Fail-safe modes (air-to-open or air-to-close) can be configured to ensure the valve automatically resets to a safe position (fully open or fully closed) upon power air supply failure.5.Highly reliable sealing structure:Precision-ground sealing pairs can be equipped with PTFE soft seals or Stellite-overlaid hard seals. Stem sealing utilizes bellows or high-performance packing to maintain zero leakage under high-frequency regulation.6.Vacuum and corrosion resistance:Body and internals are available in 304, 316L, or fluorine-lined options. Smooth internal surfaces support CIP and SIP processes, fully meeting the sanitary standards of the pharmaceutical and bioengineering industries.7.Flexible installation and space saving:The integrated compact design effectively reduces the installation height. The actuator can be rotated at multiple angles relative to the body, facilitating compact piping layouts.8.Modular maintenance and durability:The modular internal design allows for rapid inspection and replacement of the plug, seat, and seal kits without removing the entire valve body, significantly reducing long-term maintenance costs.

The UM41 manual regulating valve is an industrial control valve that relies on the manual rotation of a handwheel to adjust the clearance between the plug and seat, thereby achieving precise regulation of flow and pressure in a pipeline. Typically utilizing a straight-through or angle structure, the valve features a hydrodynamically designed regulating plug. As the handwheel turns, the stem moves linearly to continuously vary the flow area. Operating without external energy (electricity or air), the UM41 is ideal for local manual control of flow proportioning and system pressure balancing where frequent automated adjustment is not required. This series is widely used in water supply, steam, and oil pipelines across petroleum, chemical, power, and metallurgical industries.Product Image: UM41 Manual Regulating Valve Product Features1.Precise proportional regulation:The plug profile is precision-machined to provide linear or equal-percentage characteristics. It offers excellent resolution, allowing operators to fine-tune fluid parameters via the handwheel turns or position indicators.2.Superior mechanical self-locking:The precision trapezoidal thread mechanism provides inherent self-locking. Once adjusted, the valve maintains its position against fluid pressure fluctuations, ensuring consistent flow stability.3.Robust and durable design:Bodies are manufactured from high-quality cast steel or stainless steel with wall thicknesses meeting high-pressure standards. Hardened internals provide exceptional resistance to erosion and wear for long-term service.4.Tight shut-off performance:Precision-ground sealing pairs ensure extremely low leakage in the fully closed position. It functions as both a regulating valve and a reliable isolation valve in emergencies.5.Intuitive position indication:Equipped with a clear stroke indicator or scaled sleeve. This allows operators to monitor the plug's relative position in real-time for logging and repeating process settings.6.Low-torque operation:For large-diameter or high-pressure-drop conditions, optional gear reduction mechanisms (worm gear) are available to significantly reduce operating torque, ensuring smooth adjustment.7.Environmental resistance:Free of electronic components and sensitive diaphragms, the valve excels in extreme high/low temperatures or high-radiation environments, offering high intrinsic reliability.8.Ease of maintenance:The simple design features few wearing parts. The top-entry structure allows for packing replacement and internal cleaning without removing the valve from the line, reducing O&M costs.

The F943X electric blind valve (also known as the electric goggle valve) is an absolute isolation device widely utilized in metallurgy, chemicals, environmental protection, and municipal gas networks. The valve primarily consists of left and right bodies, a blind plate, an expansion mechanism, and electric actuators. Its core operation involves electric drives that first loosen the body (separating the sealing faces), then translate or swing the blind plate, and finally re-tighten the assembly. Due to its physical plate isolation design, it provides 100% shut-off reliability, serving as essential safety equipment for maintenance on blast furnace gas, coke oven gas, and powder-conveying pipelines.Product Image of F943X Electric Goggle Valve Feature1.Absolute shut-off safety:Utilizes the physical blind plate principle to achieve complete pipeline isolation, eliminating any trace of internal leakage and ensuring the inherent safety of downstream maintenance personnel.2.High automation with dual drives:Equipped with twin electric actuators to independently control the clamping/loosening of the body and the movement of the blind plate. It supports remote DCS integration with precise logic and high efficiency.3.Superior sealing compensation structure:The scientifically designed expansion mechanism uses premium stainless steel or hard alloy sealing pairs combined with temperature-resistant gaskets, ensuring leak-free performance under pressure fluctuations.4.Low flow resistance and anti-scaling:When fully open, the plate orifice is coaxial with the pipeline, providing a smooth path without dead zones. This minimizes pressure drop and prevents dust accumulation in the valve cavity.5.Rugged industrial construction:The body is manufactured from high-quality carbon steel or stainless steel with sufficient wall thickness, offering excellent tensile strength and impact resistance for large-diameter, high-load environments.6.All-weather protection and monitoring:Actuators feature IP67 ratings and overload protection. Integrated limit switches and local indicators allow real-time status monitoring and alarm output.7.Flexible material configurations:Based on medium temperature and corrosiveness, the body and seals can be configured with various alloys, adapting to high-temperature flue gas environments above 300℃.8.Low maintenance and long service life:The transmission utilizes self-lubricating bushings or rolling bearings to minimize mechanical wear. The modular design allows for simple gasket replacement, significantly extending maintenance cycles.