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Wet Pipe System Fire Alarm Check Valve



Product Origin:China Shipping Port:Xiamen Lead Time:15-20days Payment:TT, LC Size:DN100 - DN250 Material:Ductile Iron Working Pressure:1.6MPa Type:Fire Alarm Check Valve



Detailed introduction


The alarm check valve is a water flow alarm device designed for vertical installation in the main supply to a wet pipe sprinkler system. When a flow of water from the system equals or exceeds that of a single sprinkler, the valve is to actuate a fire alarm.


Model Norminal Diameter (mm) Working Pressure (MPa) Drive Time(s)
ZSFZ-100 DN100 1.2~1.6 <15
ZSFZ-125 DN125 1.2~1.6 <15
ZSFZ-150 DN150 1.2~1.6 <15
ZSFZ-200 DN200 1.2~1.6 <15


Technical Data 
Body Material Ductile Iron 
Pipe Material Stainless Steel 304
Ball Valve Material Brass
Fire Alarm Bell Material Stainless Steel 304
Retarder Material Stainless Steel 304
Pipe & Elbow Stainless Steel 304
Size (mm) DN100,DN125,DN150,DN200
Production Standard GB5135.5~2003

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