Wet alarm valve Device and other components ( such as pressure switch; flow indicator; sprinklers, etc. ) ZS wet automatic sprinkler system consisting of a fixed fire extinguishing system widely used in the system it is full of pressure water pipe network, long-term work in the standby state. applies to 4 ° C ~ 70 ° C ambient temperature use ( and refer to the vertical can be mounted vertically ), when the fire broke out somewhere within the protected area; the ambient temperature rises; nozzle temperature sensitive components ( glass ball) broken sprinklers sprinkler system will automatically start the fire water directly sprayed area, and an alarm signal to reach the police, fire, fire control purpose .