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Check Valve Wet Alarm Check Valve for Fire Fighting System

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  • Xiamen, China

  • 5000 Sets/Month

  • L/C, T/T, D/P, Western Union, Paypal

  • ZSFZ80-ZSFZ250

  • SINCO/OEM

  • Standard Export Package

  • 3"-10"

  • Quanzhou, Fujian

  • 84818

  • Ductile Iron/Cast Iron/Stainless Steel

  • Red Painting

  • 3"/4"/5"/6"/8"/10"

  • 1.6MPa

  • Flange

  • Retard Chamber, Water Motor Gong, etc.

Check Valve Wet Alarm Check Valve for Fire Fighting System

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 ºC to 70 ºC 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.

Technical parameters:
Model ZSFZ80 ZSFZ100 ZSFZ125 ZSFZ150 ZSFZ200 ZSFZ250
Norminial diameter(mm) 80 100 125 150 200 250
Working pressure(Mpa) 1.6Mpa
Sealed test(Mpa) 3.2Mpa
Strength test(Mpa) 6.4Mpa
Flow rate(L/min) 15<Q<60
Retard alarm time(s) 5~90
Friction resistance(Mpa) ≤0.035
Height of alarm valve(mm) 250 260 265 270 370 430
Outside diameter of flange(mm) 200 220 250 285 340 405
Inside diameter of flange screw hole(mm) 160 180 210 240 295 355
Diameter of screw hole(mm) 8 12
Quantity of screw hole 18 22 26

Wet alarm check valve structure
Check Valve Wet Alarm Check Valve for Fire Fighting System

Installation graphics
Check Valve Wet Alarm Check Valve for Fire Fighting System


Other Firefighting Equipment
Check Valve Wet Alarm Check Valve for Fire Fighting System
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SINCO FIRE AND SECURITY CO., LIMITED is a professional company specialized in Fire fighting equipments and Safety products. 

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