Flange Wet Alarm Valve With Stainless Steel Pipe

When a fire occurs somewhere in the protected area, the ambient temperature in the area rises, and the organic solution in the heat sensitive element (glass ball) of the sprinkler Thermal expansion generates a large internal pressure until the glass bulb shell is broken, which turns on the nozzle to spray water, and automatically activates the entire system to send out sound and light alarm signals to achieve the purpose of fire alarm, fire control, and fire suppression.

The hydraulic alarm is a hydraulically driven mechanical device. It is composed of shell, impeller, bell hammer and bell cover. When the valve flap is opened, the water flow enters the retarder through the grooves and small holes on the seat ring. After being full, it continues to flow to the water inlet of the hydraulic alarm bell. Under a certain water pressure, the impeller is pushed to drive the bell hammer to rotate, so that The bell hammer hits the aluminum bell continuously to sound an alarm bell.

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