Flange Wet Alarm Check Valve With Galvanized Pipe

The ZSFZ wet alarm valve is a one-way valve that only allows water to flow into the sprinkler system in one direction, and drives the supporting parts to alarm under the specified pressure and flow. The wet automatic sprinkler system composed of water flow indicator, pressure switch and sprinkler is a kind of fixed fire extinguishing system with extremely wide application. The pipe network of the system is filled with clean water under a certain pressure all year round, and it is in a waiting state for a long time. 

Wet alarm valve is a cover plate alarm valve, which is mainly composed of a valve body, a seat ring and a valve clack. The entire valve body is divided into an upper and a lower cavity by the valve clack. The upper cavity (system side) is connected to the system pipe network. The lower cavity (water supply side) is connected to the water source, and the valve body is equipped with a seat ring. On the seat ring, there are a plurality of groove holes leading to the water inlet pipe of the retarder.

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