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Ductile Iron Check Valve Cast Iron Wet Alarm Check Valve

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Port:
Xiamen, China
Production Capacity:
5000 Sets/Month
Payment Terms:
L/C, T/T, D/P, Western Union, Paypal
Model NO.:
ZSFZ80-ZSFZ250
Material:
Ductile Iron/Cast Iron/Stainless Steel
Finished:
Red Painting
Size:
3"/4"/5"/6"/8"/10"
Working Pressure:
1.6MPa
Connection:
Flange
Accessories:
Retard Chamber, Water Motor Gong, etc.
Trademark:
SINCO/OEM
Transport Package:
Standard Export Package
Specification:
3"-10"
Origin:
Quanzhou, Fujian
HS Code:
84818
Sprinkler Head Type:
Closed
Alarm Valve Type:
Wet Alarm Valve
Automatically Opened and Closed Repeatedly:
Can′t Automatically Opened and Closed
Closed Fire Sprinkler System:
Wet Fire Sprinkler System
Wet Alarm Valve Structure:
Seat Type
Alarm Valve Diameter:
80mm-250mm

Product Description

Ductile Iron Check Valve Cast Iron Wet Alarm Check Valve

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
Ductile Iron Check Valve Cast Iron Wet Alarm Check Valve

Installation graphics

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