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Wet alarm check valve

Model: ZSFZ100/ZSFZ150/ZSFZ200
Body material: Cast iron/ Stainless steel
Norminal Diamter: 4" 6" 8" or customized
Working pressure: 1.2Mpa-1.6Mpa
Flow rate(L/min): 15<Q<60
Components: wet alarm valves, retard chamber, water motor gong, pressure switch, pressure gauge, Y-strainer, etc.
  • ZSFZ
  • S-ACV-01
  • ZSFZ100,ZSFZ150,ZSFZ200
  • Cast iron/Stainless steel
  • 4",6",8" or customized
  • 1.2Mpa-1.6Mpa
  • 15<Q<60
  • 15<t<60
  • Water
  • 4℃-70℃
  • Wet alarm system
  • Automatic

Wet alarm check valve

1. Brief introduction:
ZSFZ Wet alarm valve is the key component of automatic sprinkler system. It consist of wet alarm valves, retard, water alarm, and other components (such as pressure switches, flow meters, closed head etc.). The system usually in standby state, the pressure pipe filled with water. When the fire starts and  environmental temperature rise, lead to the fire sprinkler sensitive element (glass ball) action, sealing components off, auto start the wet system, water directly sprayed into the fire area and send alarm signals to the control center. It’s widely used in some fire danger places(4 ℃ to 70℃ environment temperature), such as warehouse, hotel, mall, office or high building and garage etc.warehouses, hotels, shopping malls, hospitals, theaters, office buildings, high-rise building and garage.
2.Technical parameters:
Nominal Diameter
Working Pressure
Valve Body Height
Flow Rate(L/min) Delay time
Flange Screw hole Diameter
Φ B (mm)
Screw Hole No. and Dia n*φ A Dimension
ZSFZ100 100  
180 8*Φ18 980*310*455
ZSFZ150 150 270 240 8*Φ23 1030*340*480
ZSFZ200 200 380 295 12*Φ23 1085*360*540


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