zsfm

wet alarm valve system,alarm valve Its composed of wet alarm valve,reatarder,water motor alarm and other parts WET ALARM VALVE SYSTEM wet alarm valve system,alarm valveThis system is long-tremly under standby working conditions and pipe network inside id filled with pressure.when protected area happens fire hazard,environmental tempreature increasing,temperature senstive parts on sprinkler head,i ...

deluge alarm valve(diaphragm style),fire valve,fire fighting system 1.Item No.:ZSFM100,150 2.ISO and CCCF certified deluge alarm valve(diaphragm style),fire valve,fire fighting system1.Nominal Diameter: 100mm,150mm2.Strength Test Pressure:4.8Mpa3.Nominal Working Pressure:1.2Mpa4.Starting Time:15s5.Rub Prevention:0.07 deluge alarm valve(diaphragm style)