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WET ALARM CHECK VALVE
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Product Details
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FIRE-PRO WET ALARM CHECK VALVE DN100 (4")
1, Introduction
ZSFZ alarm valve is a non return valve which sends alarming on set
point of flow rate. Installed with pressure switch, water flow indicator,
sprinklers, it becomes a automatic water extinguishing system. The pipe
line is full of pressured water, if there is a fire accident, the fire zone
sprinkler glass bulb will burst due to heat. So the system automatically
operate and watering the fire zone. The alarm signaling is also sent.
ZSFZ alarm valve is working at temperature from 4℃ to 70℃ and
the amount of sprinklers for a system shouldn’t more than 800 pcs
2, Structure and Working Principle
ZSFZ alarm valve is assembled by alarm valve, time delay unit,
water force bell, pressure switch, draw off valve etc.
2.1 alarm valve is component by valve body, ring and valve clack. The
valve has top chamber and bottom chamber. Top chamber is connected
with pipe line and bottom chamber is connected with water supply.
There are many small holes to time delay unit, but there are normally
sealed by valve clack and the water to water force bell is cut off.
2.2 time delay unit is a cylinder container with inlet and outlet ports. Due
to the water pressure is not stable, the valve clack may open and close
quickly, there will be some water entering time delay unit and drain
through the bottom. It prevents the false alarm due to water pressure
change.
2.3 water force bell is drive by water power. When the valve clack open,
the water fill the time delay unit and go to bell. Drive by the water stream,
the bell clapper hitting the bell sending alarm.
Packing Details:
Wooden packing
wet alarm 4": 1PC/CTN N.W.:30KGS G.W.:33KGS, size:0.066CBM
wet alarm 6": 1PC/CTN N.W.:42KGS G.W.:46KGS, size:0.066CBM
wet alarm 8": 1PC/CTN N.W.:70KGS G.W.:75KGS, size:0.171CBM
Min Order : 10PCS
Delivery Time : 15-20 days after prepaid
75667772
Alarm valve/Wet alarm check va
Start Order:WET ALARM CHECK VALVE
