Natte systeemalarmkleppen

Quasi-working state: The wet alarm valve device is in a responsive state for a long time, and the system side is filled with water under working pressure. The water filling pressure in the pipeline is maintained by pressure stabilizing facilities such as fire water tanks, pressure stabilizing pumps, and pneumatic water supply equipment.

Fire outbreak: Under the action of fire temperature, the heat-sensitive element of the closed sprinkler head moves, and the sprinkler head opens and starts spraying water. At this time, the water in the firewall changes from static to flowing, and the water flow indicator moves to send an electrical signal, which displays the information of water spraying in a certain area on the fire alarm controller.

Alarm sounds: After the delayer is filled with water, the hydraulic alarm bell sounds an audible alarm. The flow switch of the high-level fire water tank or the pressure switch of the system official website acts and outputs a signal to directly start the water supply pump.