OverviewThe LKZ H(A/B) F46-10/16 series Teflon-lined pneumatic diaphragm single-seat control valve is a specialized process control terminal engineered for highly corrosive fluid services. Covering nominal diameters from DN15 to DN200 and pressure ratings from 0.6 to 2.5 MPa, this product line accommodates everything from small branch lines to large main pipelines. With flanged end connections, it ensures a robust and leak-tight interface with the piping system. Its core innovation lies in the complete F46 (perfluoroethylene-propylene) lining applied to all wetted internal surfaces, combined with a precision pneumatic diaphragm actuator. This design enables accurate linear flow regulation of strong acids, alkalis, and various organic solvents across a wide temperature range of -20 °C to 180 °C, making it an ideal component for automatic control systems in the chemical, petrochemical, metallurgical, pharmaceutical, and environmental protection industries. Product Image: Fluorine-Lined Pneumatic Diaphragm Single-Seated Control Valve (Model: LKZ H(A/B) F46-10/16)FeatureFull F46 Lining for Extreme Corrosion Resistance: All metal surfaces of the body, seat, and plug that contact the process fluid are fully encapsulated with a high-quality F46 lining. Utilizing its outstanding chemical inertness, this structure completely isolates the metal substrate from aggressive media, withstanding prolonged exposure to virtually all strong acids, alkalis, and organic solvents, thereby eliminating the risk of body perforation and leakage.Wide Size Range and Pressure Ratings: The series offers a full spectrum of diameters from DN15 to DN200 and pressure classes PN10/PN16 (0.6-2.5 MPa), providing flexible selection to match various pipe sizes and system pressure requirements. It is particularly effective in high-differential-pressure or high-flow corrosive applications.Precise Pneumatic Diaphragm Control: Equipped with a high-performance multi-spring pneumatic diaphragm actuator featuring high sensitivity, fast response, and stable output force. When paired with a smart positioner, it enables proportional control via standard 4-20 mA signals with excellent accuracy. Optional flow characteristics (linear/equal percentage) are available to precisely match complex process control strategies.Stable Operation Across a Wide Temperature Range: Through the synergistic thermodynamic design of the F46 lining and reinforced body structure, the valve maintains dimensional stability and superior sealing performance at media temperatures ranging from -20 °C to 180 °C. The lining remains free from softening or cracking, ensuring reliable continuous regulation of hot corrosive fluids.Optional Body Materials for Versatility: Available in two base materials—cast steel and stainless steel. The cast steel body offers high strength and cost-effectiveness for standard corrosive services. The stainless steel body provides enhanced resistance to atmospheric and intergranular corrosion, specifically engineered for extreme environments such as marine climates or applications with high chloride concentrations.

OverviewThe FQ41F46-16C lined fluoroplastic spherical discharge valve is a highly reliable manual control valve specifically engineered for highly corrosive fluid systems. This series covers nominal diameters from DN25 to DN200 and features flanged connections in compliance with national flange standards, enabling standardized interface with various reactors, storage tanks, and highly corrosive media pipelines. The valve adopts a full fluoroplastic-lined structure, with all wetted parts lined with high-quality F46 (fluorinated ethylene propylene) material, combined with the high mechanical strength of a carbon steel body, to maintain exceptional corrosion resistance within a nominal pressure range of 0.6 to 2.5 MPa. The valve is manually operated, achieving 90° rotation of the ball through a handle or worm gear drive, offering lightweight operating torque and rapid switching. This series reliably withstands prolonged exposure to strong acids, strong alkalis, strong oxidizers, organic solvents, and other extremely corrosive media, serving as an indispensable core component in corrosive material discharge and control systems across modern chemical, metallurgical, pharmaceutical, and environmental protection industries.Product Image:FQ41F46-16C Fluorine-Lined Ball Type Bottom Discharge ValveFeatureFull Fluoroplastic Lining Barrier:：All internal surfaces of the body, ball, and wetted parts are uniformly coated with a high-quality F46 lining layer of adequate thickness and non-porous density, forming an impregnable chemical isolation barrier that resists almost all chemical media except molten alkali metals, high-temperature fluorine elements, and chlorine trifluoride.Broad Size Range Coverage: Offers a complete size range from DN25 to DN200, fully covering flow requirements from small pilot plants to large-scale chemical production lines. A single series meets the selection needs for corrosive discharge stations throughout the plant.Wide Pressure and Temperature Window: Nominal pressure covers 0.6 MPa to 2.5 MPa, with an applicable temperature range from -20℃ to 150℃, ensuring high versatility within common ambient to medium-temperature corrosive operating ranges in chemical processes.Carbon Steel Substrate with F46 Lining Combination: The valve body is manufactured from high-quality carbon steel, providing mechanical strength sufficient to withstand piping stresses and operating torque, while the F46 lining handles all corrosion resistance functions. The two are intimately bonded through specialized processing techniques, ensuring both structural reliability and excellent corrosion resistance.Manual Operation Light and Reliable: Manual operation requires no external power or air supply. The light handle or worm gear drive mechanism features a well-designed structure with low operating torque, enabling rapid opening/closing and precise flow regulation, particularly suited for discharge stations without on-site utilities or requiring frequent operation.

OverviewThe SRTF46 series PTFE/FEP-lined T-type straight-through filter is a high-performance fluid filtration device deeply customized for highly corrosive, medium-to-large diameter industrial pipelines. Covering nominal diameters from DN50 to DN300, this series utilizes standard flange connections, allowing seamless integration into strong acid and alkali medium pipelines within chemical manufacturing, fine chemicals, pharmaceuticals, and pickling industries. Designed with a straight-through T-type structure, the filter delivers outstanding fluid guidance and impurity retention within a nominal pressure range of 1.0 to 1.6 MPa. The valve body is available in carbon steel (F46 lined), stainless steel, cast iron, or ductile iron, lined completely with Fluorinated Ethylene Propylene (F46) inside. It maintains exceptional corrosion resistance and sealing reliability under temperature conditions ranging from -20 ℃ to 150 ℃, making it an ideal core filtration component for safeguarding downstream instruments, pumps, and valves in modern corrosive fluid delivery systems.Product Image: SRTF46 Fluoropolymer-Lined T-Type Straight-Through FilterFeatureLarge-Diameter Lined Design & Diverse Materials: Tailored specifically for DN50–DN300 medium-to-large pipelines, offering carbon steel (F46 lined), stainless steel, cast iron, and ductile iron shell options. Combined with internal F46 lining, it perfectly adapts to various corrosive pipeline layouts globally. Straight-Through Design & Passive Filtration: Incorporates a precision straight-through T-type internal flow channel mechanism that utilizes natural medium flow for efficient impurity settling and mesh interception. Requiring no external drive, it achieves high-precision continuous filtration with minimal pressure loss. Exceptional Corrosion Resistance: Designed with specialized corrosion-resistant materials, covering medium operating temperatures from -20 ℃ to 150 ℃. It easily withstands hydrochloric acid, sulfuric acid, hydrofluoric acid, and various strong alkalis or oxidizers without suffering long-term chemical erosion.Flanged Connection & Robust Structure: Standard flanged connections provide superior pressure rating and pipeline stress resistance. Fully lined flow-wetted parts isolate media from metallic contact, significantly extending equipment service life while minimizing maintenance costs.

OverviewThe SRTF46 series PTFE/FEP-lined T-type baffle filter is a high-performance fluid filtration device deeply customized for highly corrosive, medium-to-large diameter industrial pipelines. Covering nominal diameters from DN50 to DN300, this series utilizes standard flange connections, allowing standard integration into strong acid and alkali medium pipelines within chemical manufacturing, fine chemicals, pharmaceuticals, and pickling industries. Designed with a unique T-type baffle structure, the filter delivers outstanding fluid guidance and impurity retention within a nominal pressure range of 1.0 to 1.6 MPa. The valve body is available in carbon steel, stainless steel, cast iron, or ductile iron, lined completely with Fluorinated Ethylene Propylene (F46) inside. It maintains exceptional corrosion resistance and sealing reliability under temperature conditions ranging from -20 ℃ to 150 ℃, making it an ideal core filtration component for safeguarding downstream instruments, pumps, and valves in modern corrosive fluid delivery systems.Product Image: SRTF46 PTFE-Lined T-Type Baffle StrainerFeatureLarge-Diameter Lined Design & Diverse Materials: Tailored specifically for DN50–DN300 medium-to-large pipelines, offering carbon steel, stainless steel, cast iron, and ductile iron shell options. Combined with internal F46 lining, it perfectly adapts to various corrosive pipeline layouts globally. High-Efficiency Baffle & Low Pressure Drop: Incorporates a precision T-type internal flow channel mechanism that utilizes natural medium flow for efficient impurity settling and mesh interception. Requiring no external drive, it achieves high-precision continuous filtration with minimal pressure loss. Exceptional Corrosion Resistance: Designed with specialized corrosion-resistant materials, covering medium operating temperatures from -20 ℃ to 150 ℃. It easily withstands hydrochloric acid, sulfuric acid, hydrofluoric acid, and various strong alkalis or oxidizers without suffering long-term chemical erosion. Flanged Connection & Robust Structure: Standard flanged connections provide superior pressure rating and pipeline stress resistance. Fully lined flow-wetted parts isolate media from metallic contact, significantly extending equipment service life while minimizing maintenance costs.

OverviewThe SBL-F46 series lined basket strainer is a precision filtration device specially customized for highly corrosive fluid systems. The product line covers nominal diameters from DN25 to DN400 and pressure ratings from 1.0 to 2.5MPa, making it an ideal fit for piping systems in chemical, petroleum, pharmaceutical, hydrometallurgical industries, as well as various strong acid and strong alkali conveying applications. The strainer adopts a classic basket-type element design, where fluid enters from the inlet into the filter basket, impurities are retained on the basket wall, and clean fluid exits from the outlet, achieving efficient solid-liquid separation. The body is constructed from high-quality carbon steel with all wetted parts lined with high-performance fluoroplastics such as F4 (F46, PO, PFA), which maintain exceptional corrosion resistance and structural integrity across a wide temperature range from -20°C to 150°C. This product serves as an ideal protective component for modern highly corrosive medium conveying systems.Product Image: SBL-F46 Fluorine-lined Basket StrainerFeatureWide diameter range and high flow capacity: specifically engineered for medium to large pipelines from DN25 to DN400, providing ample flow capacity and large effective filtration area, minimizing system pressure drop while maintaining required filtration precision, perfectly matching various corrosive medium conveying conditions.Superior corrosion resistance across a broad temperature range: the body and all wetted parts are lined with high-performance fluoroplastics F4 (F46, PO, PFA), offering exceptional resistance to hydrochloric acid, sulfuric acid, nitric acid, aqua regia, strong alkalis, and various organic solvents, with an operating temperature range from -20°C to 150°C, capable of withstanding long-term chemical attack from corrosive media.Basket element design for easy maintenance: the standard basket-type structure allows fluid to enter the filter basket through the inlet, with impurities retained on the inner wall of the basket and clean fluid discharged through the outlet. The filter basket can be independently removed and cleaned without dismantling the entire strainer body, greatly simplifying routine cleaning and maintenance procedures.Multiple lining material options: carbon steel lined with F4 offers a cost-effective general solution suitable for most corrosive applications; F46 lining provides superior high-temperature creep resistance, ideal for systems with frequent temperature fluctuations; PO lining is suitable for alkaline and some acidic media; PFA lining offers the highest level of chemical inertness and thermal stability, specifically engineered for ultrapure chemicals and extreme corrosive environments.Reliable flanged connection: standard flange connection with lined sealing face ensures tight and reliable sealing performance even under corrosive media, high temperature, and pressure fluctuation conditions, completely eliminating the risk of external leakage.

OverviewGL41F46 Fluorine-Lined Y-Type Strainer is a precision filtration equipment deeply customized for highly corrosive fluid piping systems. With nominal diameters ranging from DN25 to DN300, this series utilizes standard flange connections, allowing it to seamlessly integrate into pipeline networks across chemical, pharmaceutical, and environmental protection industries. Designed with an unpowered (no-drive) structure, the strainer achieves solid-liquid separation relying solely on fluid self-pressure passing through the mesh screen, operating stably within a nominal pressure range of 0.25 to 2.5 MPa. The body features a premium carbon steel outer shell seamlessly lined with F46 (FEP) fluoroplastic, maintaining exceptional resistance to strong acids, alkalis, and long-term anti-corrosion life under harsh working conditions from -20℃ to 150℃. It serves as an ideal core component for intercepting particulate impurities in highly corrosive media and safeguarding downstream pumps and valves.Product Image: GL41F46 Fluorine-Lined Y-StrainerFeatureFull Fluorine-Lined Corrosion Resistance & Diverse Specifications: Specially engineered for medium-to-large diameter (DN25–DN300) corrosive pipelines, fully lined with high-quality F46 material to completely isolate corrosive media from the metallic body. Complete specifications ensure effortless matching with standard industrial flanged piping.Self-Pressure Filtration with Low Resistance & High Efficiency: Built with a no-drive energy-saving design, relying naturally on system fluid pressure to pass through the filter mesh. The internal flow path is optimized for minimal head loss and high filtration efficiency, ensuring stable system flow rates.Exceptional Temperature & Pressure Endurance: Through targeted thermodynamic and structural mechanical optimization, it withstands temperatures from -20℃ to 150℃ and nominal pressures from 0.25 to 2.5 MPa, easily enduring the impact of strong acids, strong alkalis, and strong oxidizing agents.High-Strength Carbon Steel Shell Protection: The body casing is made of high-strength carbon steel, providing superior pressure-bearing mechanical strength and pipe stress resistance, while the internal F46 lining delivers outstanding pitting resistance and chemical inertness under severe chemical environments.

OverviewThe J44F46 angle-pattern lined fluoroplastic globe valve is a precision shut-off control valve specifically engineered for highly corrosive fluid systems. This series covers nominal bore sizes from DN15 to DN250, with pressure ratings ranging from PN0.6 to PN1.6MPa, and features flanged end connections for standardized integration with corrosive media pipelines across chemical, petrochemical, metallurgical, and pharmaceutical industries. The valve incorporates an angle-pattern flow path design with the inlet and outlet arranged at a 90-degree right angle, allowing direct installation at pipeline turning points. This design effectively replaces a conventional elbow fitting, significantly saving installation space while substantially reducing potential leakage points. The valve can be actuated via handwheel, pneumatic actuator, electric actuator, or worm gear drive, making it adaptable to a wide range of demanding corrosive shut-off applications. The valve body is available in cast iron, cast steel, and stainless steel substrates, lined with high-performance FEP (fluorinated ethylene propylene, F46) anti-corrosion layer. Combined with a specially engineered packing sealing system, it maintains exceptional sealing integrity and fatigue resistance across a service temperature range of -20°C to 150°C, establishing itself as an ideal core component in modern anti-corrosion fluid control engineering for compact spatial layouts and right-angle pipeline connections.Product Image:J44F46 Angle-pattern Lined Fluoroplastic Globe ValveFeatureWide Size Coverage and Diverse Actuation Options: Tailored for DN15 to DN250 pipelines, supporting pressure ratings from PN0.6 to PN1.6MPa, with four actuation options including handwheel, pneumatic, electric, and worm gear drive, perfectly suited for diverse corrosive fluid control requirements both domestically and internationally.Distinctive Compact Angle-Pattern Configuration: Featuring a 90-degree right-angle flow path design specifically developed for pipeline turning points, this valve directly replaces conventional elbows, delivering substantial space savings, simplifying pipeline connections, and fundamentally reducing leakage risks at the source—making it the optimal solution for space-constrained installations.Superior Corrosion Resistance: All internal wetted parts are fully lined with F46 (FEP), offering exceptional chemical inertness. The valve reliably withstands prolonged exposure to strong acids (sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia), strong alkalis, organic acids, organic solvents, and various highly corrosive gases and liquids, without degradation even under extreme chemical conditions.Stable Performance Across a Wide Temperature Range: Through dedicated thermodynamic and sealing pair matching design, the valve operates reliably across a service temperature range of -20°C to 150°C, maintaining stable open/close performance and sealing integrity in complex environments involving alternating cryogenic and medium-temperature corrosive media.Multi-Material Body Options for Tailored Applications: Cast iron (HT250) body offers cost-effectiveness for general corrosive services; cast steel (WCB) body provides high strength for medium-to-high pressure steam and elevated-temperature corrosive environments; stainless steel (CF8/CF8M) body is specifically engineered for strong oxidizing media or stringent cleanliness requirements, delivering exceptional pitting resistance and comprehensive acid/alkali resistance.

OverviewThe J45F46 Y-pattern lined fluoroplastic globe valve is a precision shut-off control valve specifically engineered for highly corrosive fluid systems. This series covers nominal bore sizes from DN15 to DN250, with pressure ratings ranging from PN0.6 to PN1.6MPa, and features flanged end connections for standardized integration with corrosive media pipelines across chemical, petrochemical, metallurgical, and pharmaceutical industries. The valve incorporates a Y-pattern (oblique/straight-through) flow path design with a streamlined Y-shaped body configuration, offering significantly lower fluid resistance compared to straight-through pattern (J41) valves. This design is particularly well-suited for high-viscosity media, fluids containing solid particles, and corrosive services prone to crystallization or polymerization. The valve can be actuated via handwheel, pneumatic actuator, electric actuator, or worm gear drive, making it adaptable to a wide range of demanding corrosive shut-off applications. The valve body is available in cast iron, cast steel, and stainless steel substrates, lined with high-performance FEP (fluorinated ethylene propylene, F46) anti-corrosion layer. Combined with a specially engineered packing sealing system, it maintains exceptional sealing integrity and fatigue resistance across a service temperature range of -20°C to 150°C, establishing itself as an ideal core component in modern anti-corrosion fluid control engineering for handling difficult process media.Product Image:J45F46 Y-pattern Lined Fluoroplastic Globe ValveFeatureWide Size Coverage and Diverse Actuation Options: Tailored for DN15 to DN250 pipelines, supporting pressure ratings from PN0.6 to PN1.6MPa, with four actuation options including handwheel, pneumatic, electric, and worm gear drive, perfectly suited for diverse corrosive fluid control requirements both domestically and internationally.Optimized Y-Pattern Flow Path Design: The Y-type streamlined body configuration significantly reduces flow resistance and pressure drop across the valve, effectively mitigating erosive wear on sealing surfaces caused by high-velocity media. Additionally, this design substantially lowers the risk of media crystallization, polymerization, or sedimentation within the valve cavity, making it especially suitable for high-viscosity, particle-laden, or crystallizing corrosive media.Superior Corrosion Resistance: All internal wetted parts are fully lined with F46 (FEP), offering exceptional chemical inertness. The valve reliably withstands prolonged exposure to strong acids (sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia), strong alkalis, organic acids, organic solvents, and various highly corrosive gases and liquids, without degradation even under extreme chemical conditions.Stable Performance Across a Wide Temperature Range: Through dedicated thermodynamic and sealing pair matching design, the valve operates reliably across a service temperature range of -20°C to 150°C, maintaining stable open/close performance and sealing integrity in complex environments involving alternating cryogenic and medium-temperature corrosive media.Multi-Material Body Options for Tailored Applications: Cast iron (HT250) body offers cost-effectiveness for general corrosive services; cast steel (WCB) body provides high strength for medium-to-high pressure steam and elevated-temperature corrosive environments; stainless steel (CF8/CF8M) body is specifically engineered for strong oxidizing media or stringent cleanliness requirements, delivering exceptional pitting resistance and comprehensive acid/alkali resistance.

OverviewThe J41F46 straight-through lined fluoroplastic globe valve is a precision shut-off control valve specifically engineered for highly corrosive fluid systems. This series covers nominal bore sizes from DN15 to DN250, with pressure ratings ranging from PN0.6 to PN1.6MPa, and features flanged end connections for standardized integration with corrosive media pipelines across chemical, petrochemical, metallurgical, and pharmaceutical industries. The valve incorporates a straight-through flow path design, offering lower fluid resistance compared to angle-pattern configurations. It can be actuated via handwheel, pneumatic actuator, electric actuator, or worm gear drive, making it adaptable to a wide range of demanding corrosive applications. The valve body is available in cast iron, cast steel, and stainless steel substrates, lined with high-performance FEP (fluorinated ethylene propylene, F46) anti-corrosion layer. Combined with a specially engineered packing sealing system, it maintains exceptional sealing integrity and fatigue resistance across a service temperature range of -20°C to 150°C, establishing itself as an indispensable component in modern anti-corrosion fluid control engineering.Product Image:J41F46 Straight-through Lined Fluoroplastic Globe ValveFeatureWide Size Coverage and Diverse Actuation Options: Tailored for DN15 to DN250 pipelines, supporting pressure ratings from PN0.6 to PN1.6MPa, with four actuation options including handwheel, pneumatic, electric, and worm gear drive, perfectly suited for diverse corrosive fluid control requirements both domestically and internationally.Superior Corrosion Resistance: All internal wetted parts are fully lined with F46 (FEP), offering exceptional chemical inertness. The valve reliably withstands prolonged exposure to strong acids (sulfuric acid, hydrochloric acid, nitric acid, hydrofluoric acid, aqua regia), strong alkalis, organic acids, organic solvents, and various highly corrosive gases and liquids, without degradation even under extreme chemical conditions.Stable Performance Across a Wide Temperature Range: Through dedicated thermodynamic and sealing pair matching design, the valve operates reliably across a service temperature range of -20°C to 150°C, maintaining stable open/close performance and sealing integrity in complex environments involving alternating cryogenic and medium-temperature corrosive media.Multi-Material Body Options for Tailored Applications: Cast iron (HT250) body offers cost-effectiveness for general corrosive services; cast steel (WCB) body provides high strength for medium-to-high pressure steam and elevated-temperature corrosive environments; stainless steel (CF8/CF8M) body is specifically engineered for strong oxidizing media or stringent cleanliness requirements, delivering exceptional pitting resistance and comprehensive acid/alkali resistance.