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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.
Application: The anti-backflow isolation valve is a safety device designed to prevent contamination in potable water pipelines. Developed and engineered in-house by our factory, leveraging advanced foreign technology, this innovative valve ensures safe and reliable protection against drinking water backflow, thereby safeguarding the hygiene and safety of your household water supply.
Contact Information
Sales phone: +86-591-83585432/83583432/83582432
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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