Alarm Check Valve
Specifications
alarm valve, wet alarm valve, fire valve1.rated working pressure:1.6mpa
2.strength test pressure:4.8mpa
ZSFZ system is a commonly used fixed fire extinguishing system, which consists of wet alarm valves, retard, water alarm, and other components (such as pressure switches, flow meters, closed head etc.). Long-term work of the system in standby state, the pressure pipe filled with water, when the fire protection area, the environmental temperature so that the nozzle on the temperature-sensitive element (glass ball) action, sealing components off, auto start system, water directly sprayed into the fire area and send alarm signals to achieve the alarm, fire extinguishers, fire control purposes. Applies to a building fire water, typically installed in a fire hazard production sites, warehouses, hotels, shopping malls, hospitals, theaters, office buildings, high-rise building and garage.
alarm valve, wet alarm check valve, fire valve
- model no: zsfz100
- rated working pressure: 1.6mpa
- strength test pressure: 4.8mpa
- sealed test: 2.4mpa
- nominal diameter: 100mm
- rated time:5<t<90s
- working flux:15<Q<60
- pressure reduced:<0.02
- alarm bell sound:>80(db)
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