OverviewZ81X groove rising stem fire gate valve is a high reliability control valve designed specifically for fire pipeline systems. It opens or cuts off water flow through the vertical lifting of the gate. This valve combines the two characteristics of a rising stem structure and a groove connection: the valve stem rises and falls together with the gate during opening and closing, and the valve opening is clearly visible; At the same time, using groove pipe joints and clamps for pipeline connection makes installation extremely convenient. The gate is covered with rubber as a whole to ensure zero leakage of the seal, fully meeting the dual requirements of reliability and rapid deployment of the fire protection system. This product is mainly used in fire water supply systems that have extremely high requirements for safety and status monitoring, such as fire hydrant systems, automatic sprinkler systems, and fire pump room outlet pipelines in key places such as commercial complexes, data centers, hospitals, airports, etc. It is particularly suitable for renovation and expansion projects that require quick installation and clear judgment of valve status, or pipeline wells with sufficient space. It is an important equipment for achieving visualization and manageability of fire protection systems.Z81X Grooved Outside Screw & Yoke Fire Gate ValveFeatures:1. The valve position status is visually visible: the rising stem design allows the height of the valve stem to directly indicate the degree of valve opening. Operators can quickly and accurately determine whether the valve is in the fully open, fully closed, or intermediate position on the ground or from a distance, preventing misoperation and ensuring that the fire pipeline is always open.2. Groove type quick installation: using groove pipe joints and clamps for connection, there is no need for welding or threading during installation. Simply align the pipe sections and tighten the clamps. The installation speed is several times faster than traditional flange connections, greatly improving construction efficiency.3. Zero leakage of overall rubber coating: The gate plate is coated and vulcanized with high-performance rubber, and tightly adheres to the flat bottomed valve seat to achieve bidirectional bubble level sealing, ensuring that the fire water source has no leakage in the long-term standby state.4. Special anti-corrosion for fire protection: The valve body is made of ductile iron, and the inner cavity is coated with epoxy resin that meets fire protection standards. The valve stem, bolts, and other internal components are made of stainless steel, effectively resisting static water corrosion and ensuring the reliability of the valve after long-term standby.Convenient maintenance and inspection: The combination of the open stem structure and groove connection makes the valve status clear at a glance, and the disassembly and maintenance are easy, greatly simplifying the workflow of daily inspection and regular testing.

OverviewThe Z41X Rising Stem Fire Gate Valve is a critical control valve specifically designed for fire protection systems. It regulates water flow by vertically lifting or lowering the gate plate. As a rising stem gate valve, its stem moves in tandem with the gate plate during operation. The external threaded stem allows for clear and intuitive visualization of the valve's open/closed status. This valve integrates a fire signal feedback device that converts the valve's real-time open/closed status into an electrical signal. This signal is transmitted remotely to the fire control center, ensuring continuous monitoring of the fire pipeline's flow status and meeting the safety requirements of fire protection regulations. This product serves as a core control component in fire protection systems for industrial and civil buildings, widely applied in critical pipelines such as fire hydrant systems, automatic sprinkler systems, and fire pump station outlets. Its primary function is to ensure fire supply pipelines remain perpetually ready for operation. Through its signal feedback capability, it provides vital safety monitoring for fire protection systems, making it indispensable equipment for safeguarding lives and property. Z41X Rising Stem Fire Gate Valve Product DiagramFeatures1. Status Monitoring and Remote Signal Transmission: The valve comes standard with an electromechanical signal device that continuously monitors the stem position. It converts the mechanical states of “fully open” or “fully closed” into electrical signals for remote transmission to the fire control room, enabling centralized monitoring and alarm functions.2. Visible Valve Position Indication: The exposed stem design allows operators to directly assess the valve's precise opening degree by observing the stem's extension height. This facilitates rapid on-site verification of pipeline flow status and prevents operational errors. 3. Integral Rubber-Lined Sealing: The gate plate undergoes full rubber lining and vulcanization, forming a tight seal with the flat-bottomed seat. This achieves bidirectional sealing with zero leakage, ensuring long service life and reliable firewater reserve.4. Easy Maintenance and Operation: The valve stem and threaded assembly are externally mounted for convenient lubrication and maintenance. During emergencies like power outages, reliable manual operation is possible via the handwheel.5. Fire-Specific Corrosion Protection: Primary flow components are made of ductile iron with an epoxy resin coating meeting fire safety requirements. Critical internal parts use copper alloys or stainless steel, effectively resisting hydrostatic corrosion to ensure reliable valve performance even under harsh long-term standby conditions.

OverviewThe Z45X Hidden-Stem Fire Gate Valve is a core control device specifically designed for modern fire protection water supply systems. Featuring a non-rising stem and an integral rubber-lined gate plate structure, it employs internal threaded transmission within the stem to drive vertical movement of the gate plate, ensuring reliable pipeline opening and closing. Strictly compliant with GB/T 12234 and China Compulsory Certification for Fire Protection Products (CCCF) standards, this valve integrates a mechanical signal feedback device. It converts the valve's open/closed status into real-time electrical signals transmitted to the fire control center, ensuring the fire protection pipeline network remains in a legally mandated standby state at all times. Its compact concealed-stem design is particularly suited for installation in space-constrained fire pipe shafts and pump rooms. Specifically designed for various building fire protection systems, including fire hydrant systems, automatic sprinkler systems, and fire pump room pipelines, it serves as a critical control device ensuring the reliable operation of fire water supply systems.Z45X Hidden Stem Fire Gate Valve Product DiagramFeatures1. Fire Alarm Feedback: Built-in microswitch outputs electrical signals to the fire control room when the valve is fully open/closed, enabling remote status monitoring.2. Full Rubber-Lined Sealing: The gate plate is fully covered with rubber for tight sealing, achieving zero leakage in both directions and extended service life. 3. Concealed-Stem Compact Design: Non-rising stem saves installation space, ideal for confined locations like fire wells. 4. Fire-Rated Corrosion Protection: Epoxy-coated interior and stainless steel critical components resist corrosion in long-term static water environments. 5. Dual-Operation Assurance: Supports standard manual operation and emergency power-fail operation, ensuring reliable opening/closing at all times.

OverviewZ45X fire signal gate valve is a concealed soft seal valve designed specifically to meet the requirements of fire system status monitoring. It is opened and closed by vertical lifting of the gate, and the valve stem is only used for rotational movement. The core feature of the valve is the integrated electromechanical signal feedback device, which can convert the "fully open" and "fully closed" mechanical positions of the valve into real-time switch electrical signals and transmit them remotely to the fire control center, achieving centralized monitoring and alarm of the working status of the fire water supply pipeline valves, ensuring that the system is in a standing and effective state. Key fire water supply pipelines such as fire hydrant systems, automatic sprinkler systems, and fire pump discharge pipelines dedicated to various types of buildings. As the "sentinel valve" of the fire protection system, it not only provides reliable cutoff function, but also realizes remote centralized monitoring of valve opening and closing positions through status signal feedback. It is one of the core components to ensure the integrity and response reliability of the fire protection system.Z45X Fire Signal Gate Valve Product DiagramFeatures:1. Feedback of fire status signalsBuilt in micro switches or reed switches and other signal devices, the valve automatically triggers a signal when it reaches the "fully open" or "fully closed" position, outputs passive contacts (normally open/normally closed), reliably connects to the fire control system, and meets the mandatory monitoring requirements of fire regulations.2. Whole package rubber elastic sealThe gate adopts an integrated rubber coating vulcanization process, forming a tight elastic seal with the valve seat, achieving bi-directional zero leakage, and has automatic compensation ability after wear, maintaining long-term sealing reliability.3. Compact structure of concealed poleThe valve stem does not rise or fall, the opening and closing height is constant, and the installation space requirement is small, especially suitable for dense pipe laying requirements in confined spaces such as fire pipeline wells and pump rooms.4. Fire grade corrosion-resistant designThe inner cavity of the valve body is coated with epoxy resin through electrostatic spraying, and key components such as the valve stem and bolts are made of stainless steel or copper alloy, effectively resisting corrosion from static water and humid environments during firefighting.5. Reliable emergency manual operationRetain the direct operation function of the handwheel, and in case of power interruption or signal system failure, the valve can still be manually opened and closed to ensure that the fire protection system can be operated in any emergency situation

OverviewZ85X groove non-rising stem fire gate valve is a quick-connection valve specially designed for fire fighting pipeline system. It opens or cuts off water flow through vertical lifting of gate. As a non-rising stem gate valve, the valve stem only rotates during opening and closing, with the structure height unchanged and the overall compact. The core feature of the valve is that the grooved pipe joint is used to replace the traditional flange. During installation, only the pipe section needs to be inserted into the joint and tightened with the clamp, greatly improving the installation efficiency. The gate is integrally covered with rubber to ensure zero leakage of the seal and meet the reliability requirements of the fire fighting system. The product is mainly used in the fire water supply system of industrial and civil buildings, such as fire hydrant system and automatic sprinkler system. It is especially suitable for occasions requiring rapid installation, transformation or regular maintenance, such as construction site, transformation project and pipeline layout with limited space. It is one of the key equipment to realize efficient and reliable arrangement of fire fighting system. Z85X沟槽暗杆消防闸阀产品图 Z85X groove non-rising stem fire gate valve product drawin Features:1. Groove type quick connection: using groove pipe joints and clamps for connection, no welding or tapping is required during installation. The adjacent pipe sections can be aligned and the clamps can be tightened to complete the installation. The installation speed is several times faster than traditional flange connections, and maintenance is simple.2. Integrated rubber sealing: The valve core is covered and vulcanized with high-performance rubber, tightly adhered to the valve seat, and has reliable sealing performance. It can achieve zero leakage in both directions, ensuring no leakage of firefighting water.3. Compact structure, space saving: The concealed rod design ensures that the overall height of the valve remains unchanged during the opening and closing process. Combined with the short structure of the groove connection itself, it is very suitable for small fire pipeline wells or equipment rooms.4. Specialized fire protection and anti-corrosion: The valve body is made of ductile iron, and the inner cavity is coated with epoxy resin that meets fire protection requirements. The valve stem and other internal components are made of stainless steel or copper alloy, effectively resisting long-term static fire water corrosion.5. Low installation cost and high reliability: The groove connection eliminates the equipment and labor required for welding, greatly reducing installation costs and fire risks. The clamp connection can adapt to slight bending and vibration of the pipeline, and the system has high reliability.

OverviewThe Z45X graduated concealed stem fire gate valve is a highly reliable control valve designed specifically for fire protection systems. It opens or cuts off water flow through the vertical lifting of the gate. As a concealed stem gate valve, its valve stem only rotates during opening and closing, resulting in a compact structure. The core innovation of this valve lies in the clear dial on the valve cover or indicator, which can intuitively convert the number of valve stem rotations into percentage opening, thereby accurately indicating the valve status. It usually integrates electrical signal devices to remotely transmit this status to the fire control center, achieving full process visual monitoring from "fully closed" to "fully open". This product is an ideal choice for modern intelligent fire protection systems, widely used in fire hydrant systems, automatic sprinkler systems, and fire pump rooms in various commercial complexes, data centers, hospitals, airports, and other places with extremely high requirements for fire safety. It not only provides reliable truncation function, but also provides dual guarantees for the "constant readiness" of the fire protection system through opening visualization and remote status transmission. It is the core equipment for achieving precise and intelligent fire management. Product diagram of Z45X graduated concealed stem fire gate valvefeature1. Scale indication opening: The valve is equipped with a unique scale indication device, and the operator can directly read the precise opening of the valve based on the pointer or mark (such as 0%, 25%, 50%, 100%), solving the industry pain point that traditional concealed stem gate valves cannot judge the opening.2. Fire signal feedback: In addition to having an opening indication function, the integrated signal module can transmit real-time signals of the valve's "fully open" and "fully closed" extreme positions to the fire control room, meeting regulatory requirements.3. Integrated rubber sealing: The gate plate is covered with high-performance rubber as a whole, forming a tight fit with the flat bottomed valve seat, achieving bidirectional bubble level sealing and ensuring no leakage in the fire pipeline.4. Compact and corrosion-resistant: The advantage of the concealed pole structure is to maintain the minimum installation space; The inner cavity of the valve body is coated with epoxy resin, and the key components are made of stainless steel and copper alloy, effectively resisting corrosion from static water in firefighting.5. Convenient operation and maintenance: The optimized sealing structure and scale indication function make the valve switch lightweight and the status judgment accurate, greatly improving the efficiency of daily inspection and maintenance.