Flange End Silent Check Valve

Flange End Silent Check Valve

Silent check valves are mainly used in water supply, drainage, fire protection, and HVAC systems. They can be installed at the outlet of the water pump to prevent backflow and water hammer damage to the pump.

Features and uses of flange silencer check valve
1. The valve disc adopts a "bullet head" shape design, and the valve body adopts a "waist drum" shape design to improve the medium flow direction and reduce the flow resistance coefficient.
2. The valve adopts a short structure. Although the head loss is slightly larger than that of the lift silent check valve, it is small and cheap.
3. The structure is compact, and a non-metal lubricating sleeve is installed between the guide shaft and the guide frame. The valve disc can be lifted and lowered flexibly without locking.
4. The skeleton rubber sealing ring is directly embedded on the valve body, which avoids direct erosion of the sealing ring by the medium for a long time, significantly extending the service life, making it strong and durable.
5. The valve disc has a short opening and closing stroke, which can effectively prevent water hammer.
6. It is suitable for water supply and drainage systems and high-rise building pipe networks. It can be installed at the outlet of the pump. With slight structural changes, it can be used as a water suction bottom valve, but it is not suitable for sewage pipe networks.

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