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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 70ºC 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
Installation graphics
Other Firefighting Equipment
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Model NO.: ZSFZ80-ZSFZ250
Trademark: SINCO/OEM
Transport Package: Standard Export Package
Specification: 3"-10"
Origin: Quanzhou, Fujian
HS Code: 84818
Cast Iron PN16 Alarm Check ValveNovember 05, 2020