Application: Used at the pump discharge lines in industrial, mining, enterprise, and high-rise building water supply systems—as well as other water distribution systems—to prevent media backflow and mitigate water hammer and water surge phenomena. It combines the functions of a shut-off valve, check valve, electric valve, and water hammer eliminator into one compact device. This product is especially suited for integration with automated pumping control systems, requiring no electrical controllers or external power sources—its operation remains fully automatic and follows standard procedures for opening and closing. Featuring three key mechanisms—quick-close, slow-close, and energy-absorbing chamber—it effectively reduces and eliminates water hammer effects, significantly enhancing system safety and reliability. This makes it an ideal solution for meeting the automation control requirements of modern system engineering equipment.


Application: Used at the pump discharge lines in industrial, mining, enterprise, and high-rise building water supply systems—as well as other water distribution systems—to prevent media backflow and mitigate water hammer and hydraulic shock. It combines the functions of a shut-off valve, check valve, electric valve, and water hammer eliminator into one compact device. This product is especially ideal for integration with automated pumping control systems, requiring no electrical controllers or external power sources—instead, it operates fully automatically according to standard procedures. Featuring three key mechanisms—quick-close, slow-close, and energy-absorbing chamber—the device effectively prevents and eliminates water hammer, significantly enhancing system safety and reliability. It seamlessly meets the demands of advanced automation and control requirements in modern system engineering applications. Pressure ratings: PN 10, PN 16, PN 25


Application: This valve is designed for use in industrial, mining, enterprise, and high-rise building applications—specifically in automatic water supply systems for water tanks, reservoirs, and water towers. It can also serve as a circulation control valve for atmospheric-pressure boilers, precisely regulating the liquid level in water towers or reservoirs. When the water level reaches the preset threshold, the valve automatically shuts off; conversely, when the water level drops, the valve opens to refill, ensuring continuous and efficient water supply. The valve is easy to maintain, highly reliable, durable, and offers accurate liquid-level control. Its operation remains unaffected by water pressure fluctuations, while providing a tight seal that prevents leaks. Additionally, the float mechanism can be installed separately from the main valve for added flexibility.


Application: Installed on pipelines in high-rise building water systems and other water supply systems to reduce the higher upstream pressure to a downstream usage pressure that meets specified requirements. <br/> Features: 1. Reliable pressure-reducing performance. The outlet pressure remains unaffected by changes in inlet pressure and flow rate, enabling reduction of both dynamic and static pressures. <br/> 2. Debugging is convenient—simply adjust the adjusting screw on the pilot valve to achieve precise and stable outlet pressure. <br/> 3. Excellent energy-saving performance. The valve body features a full-channel, streamlined direct-flow design, resulting in minimal pressure loss, high flow capacity, and a compact, lightweight profile.


Application: Installed in high-rise buildings, as well as on pipelines in water supply systems and other plumbing setups. When the pressure in the water supply line exceeds the preset setting of the relief valve, the valve automatically opens to quickly release excess pressure, ensuring the safety of the pipeline. It can also function as a pressure-holding valve, maintaining consistent water pressure upstream of the main valve. <br/> Feature 1: Accurately maintains a constant set safety pressure; once overpressure occurs, the relief valve quickly opens to release excess pressure in a timely manner. <br/> 2. Shutdown is smooth and reliable, eliminating lingering stress.


Application: This valve is designed for use in industrial, mining, enterprise, high-rise building, and power plant drainage systems, operating either via electrical signals or manual control. It enables precise and rapid valve actuation—allowing for accurate and swift opening and closing responses. The closing speed is adjustable, ensuring the valve closes smoothly and evenly without causing pressure surges or flow disturbances. Featuring direct-acting electromagnetic control, it requires minimal maintenance for long-lasting performance. <br/> Feature 1: Accurate and rapid reaction control. <br/> 2. The closing speed is adjustable, ensuring smooth valve operation without causing pressure fluctuations. <br/> 3. Equipped with a direct-acting solenoid valve, available in AC 220 V, DC 24 V, normally open, or normally closed configurations.


Application: This valve controls the water level in pools and water towers. Inside, a specially reinforced nylon diaphragm divides the valve into upper and lower chambers. When the water level in the system reaches the preset point, the float-operated pilot valve closes first, followed by the main valve, instantly stopping the water supply. If the pool’s water level drops below the set threshold, the float-operated pilot valve automatically opens, triggering the main valve to reopen and rapidly refill the pool with water. This valve is easy to install, saving valuable space, and requires minimal maintenance. It’s highly reliable, durable, and offers precise liquid-level control—plus, the water level remains unaffected by fluctuations in water pressure. Its design ensures dependable performance, and the main valve can be easily separated from the control valve for convenient servicing. When the water level in the pool or tank drops and the float valve opens to allow drainage, the pressurized water from the inlet pipe lifts the internal piston, opening the sealing surface and enabling the valve to resume water flow. Conversely, as the water level rises to the control line, the float-operated pilot valve shuts off, causing the piston to descend and seal the opening—thus halting the water supply.


Application: This valve controls the water level in pools and water towers. Inside, a specially reinforced nylon diaphragm divides the valve into upper and lower chambers. When the water level in the system reaches the preset point, the float-operated pilot valve closes first, followed by the main valve, instantly stopping the water supply. If the pool’s water level drops below the set threshold, the float-operated pilot valve automatically opens, triggering the main valve to reopen and rapidly refill the pool with water. This valve is easy to install, saving valuable space, and requires minimal maintenance. It’s highly reliable, durable, and offers precise liquid-level control—plus, the water level remains unaffected by fluctuations in water pressure. Its design ensures dependable performance, and the main valve can be easily separated from the control valve for convenient servicing. When the water level in the pool or tank drops and the float valve opens to allow drainage, the pressurized water from the inlet pipe lifts the internal piston, opening the sealing surface and enabling the valve to resume water flow. Conversely, as the water level rises to the control line, the float-operated pilot valve shuts off, causing the piston to descend and seal the opening—thus halting the water supply.


Application: The safety-type anti-fouling isolation valve is constructed by integrating a drain device between two check valves. The upper chamber of the drain device is connected via a high-pressure hose to the inlet end of the first-stage check valve. Both the primary and secondary check valves consist of components such as the main valve body, valve cover, valve disc sealing gasket, and spring. Meanwhile, the drain device itself comprises standard parts like the valve body, valve cover, diaphragm, valve disc, sealing plate, valve core, valve seat, and spring. In contrast, the conventional anti-fouling isolation valve is simply formed by connecting two check valves in series.

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Contact Information

Fuzhou Casting Address: Qianyang Industrial Park, Shoushan Township, Jin'an District, Fuzhou City, Fujian Province

Fuzhou Office: Room 2202, No. 2 Xiayang Jiayuan, Chengmen Town, Cangshan District, Fuzhou City, Fujian Province

Sanming Shaxian Address: No. 312 Jinming East Road, Jinsha Industrial Park, Shaxian District, Sanming City, Fujian Province

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