Lever Type Deluge Alarm Valve for Fire Fighting System

Lever Type Deluge Alarm Valve for Fire fighting SystemIntroduction
ZSFG Lever-type deluge alarm valvedevice(Hereinafter referred to as deluge valve)belongs to lever-type structure and has the mechanism anti-reset function. The product is originated in China and was the first product got GB5135.5-2003 Standard which was tested by National fixed fire extinguishing system and fire-resistant component quality surveillance test center. Deluge valve device is widely used in all kinds of open system (Systemside pipeline is as opensprinkler),such as deluge system, water curtain system and water mist system. With the pressure of diaphragm chamber decreasing the valve flap will be opened by the pressure of water supply side. There are several modes to release the pressure of diaphragm, such as electricguidancemodes, wetguidanceand dryguidance modes.Technical parameterModelZSFG80ZSFG100ZSFG125ZSFG150ZSFG200ZSFG250Inside Norminal Diameter(mm)80100125150200250Rated Working Pressure(Mpa)1.6MpaSealed Test (Mpa)3.2MpaStrength Test(Mpa)6.4MpaAlarm flow(L/min)15<Q<60Retard alarm time(s)5~90Friction Resistance(Mpa)≤0.07Height (mm)330330350350430500Outside diameter of flange(mm)200220250285340405Inside diameter of flange screw hole(mm)160180210240295355Diameter of screw hole(mm)812Quantity of screw hole182226
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