Fujian, China
Business Type:
Manufacturer/Factory, Trading Company
OEM/ODM Service
Sample Available
Portuguese / French Speaker

Alarm Check Valve, Price for Alarm Valve, Alarm Valve manufacturer / supplier in China, offering Fire Alarm Check Valve for Fire Sprinkler System, Tyco Brass Water Mist Spray Nozzle Export to Middle East, OEM 68 Degree Upright Fire Sprinkler and so on.

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Fire Alarm Check Valve for Fire Sprinkler System

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Min. Order / Reference FOB Price
1 Piece US $50-150/ Piece
Port: Xiamen, China
Production Capacity: 3000 Sets Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal
Sprinkler Installation: Upright/Pendent/Sidewall
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: Flange

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Basic Info

Model NO.: ZSFZ
Alarm Valve Diameter: 80mm-200mm
Nozzle Flow Coefficient: 80
Material: Ductile Cast Iron
Working Pressure: 1.6MPa
Trademark: GW or customized
Transport Package: Standard Export Package
Specification: ZSFZ80-ZSFZ200
Origin: Fujian
HS Code: 84818090

Product Description

Fire alarm check valve for fire sprinkler system

Alarm Valve is a double seated clapper check valve with grooved seat design, which ensures positive water flow for alarm operation and is designed for installation in wet pipe sprinkler system. External bypass prevents false alarm under all supply pressure condition. In the event of variable pressure condition, false alarm is prevented with the provision of retard chamber, thus the design allows for installation under both variable and constant supply pressure condition.
Operation of one or more automatic fire sprinklers causes the water to flow into the sprinkler system causing the alarm valve to open, allowing continuous flow of water into the system and transmittal of alarm, both electrical and mechanical.
Technical parameters
ModelDN100DN125DN150DN200DN250
Height(mm)245255270300320
MaterialDuctile Iron/Stainless Steel
Working Pressure1.6Mpa/16Bar
Seal test3.2Mpa/32Bar
Strength test6.4Mpa/64Bar
Friction<0.02Mpa/0.2Bar

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