Fire Fighting Preaction Sprinkler System

Price $199.00 Compare
Min Order 100 Pieces
Availability In Stock
Shipping From Fujian, China
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Quanzhou Sanxing Fire-Fighting Equipment Co., Ltd.

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ZSFU150
Outdoor Fire Hydrant
Normal Fire Hydrant
Ordinary Bolt
High-Pressure Fire Hydrant
Ordinary
12bar
24bar
48bar
sanxing
Packing by Wood Box
ZSFU100
Quanzhou, Fujian, China
8481804090
Product Description

product description

pre-action systems are usally employed in areas that are at risk for serious water damage due to damaged sprinklers and/or piping.they operate faster than dry systems.
the pre-action system is a fire extinguishing system with the nozzles normally closed.the pipe network is usually not filled with water.
when a fire occurs,after the fire detector alarms ,the automatic control system controls the valve exhaust and water filling,and changes from a dry type to a wet type system.water sprayinh only started when the ignition point temperature reached the open and closed sprinkler.
the pre-action system has the characteristics of both a dry sprinkler system and a wet sprinkler system,and also overcomes the shortcomings of the dry sprinkler system's low fire control rate and the wet system's prone to water stains.
the system can increase the speed of fire extinguishing .it can also be used in places where pipes and sprinklers are easily damage, instead of wet systems.it ccan alsobe used in buildings with high safety requirements for sprinkler systems.








technical parameters
specificationZSFU100ZSFU150ZSFU200
nominal diameter(mm)100150200
rate working pressure(Mpa)1.21.21.2
valve body height(mm)260270370
flange diameter(mm)220285340
systemtric hole diameter(mm)180240295
screw hole number and diameter(mm)8*Φ188*Φ2212*Φ22

working principle





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