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Wet Pipe System Fire Alarm Check Valve
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.
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Model
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Norminal Diameter (mm)
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Working Pressure (MPa)
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Drive Time(s)
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ZSFZ-100
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DN100
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1.2~1.6
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<15
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ZSFZ-125
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DN125
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1.2~1.6
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<15
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ZSFZ-150
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DN150
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1.2~1.6
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<15
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ZSFZ-200
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DN200
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1.2~1.6
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<15
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Technical Data
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| Body Material |
Ductile Iron
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Pipe Material
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Stainless Steel 304
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Ball Valve Material
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Brass
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Fire Alarm Bell Material
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Stainless Steel 304
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Retarder Material
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Stainless Steel 304
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Pipe & Elbow
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Stainless Steel 304
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Size (mm)
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DN100,DN125,DN150,DN200
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Production Standard
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GB5135.5~2003
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