ZSFZ-Wet Alarm Valve & System 1) Item No.: ZSFZ100, ZSFZ150, ZSFZ200 2) Nominal diameter: 100mm, 150mm, 200mm ZSFZ-Wet Alarm Valve & SystemFeature:1) Item No.: ZSFZ100, ZSFZ150, ZSFZ2002) Nominal diameter: 100mm, 150mm, 200mm3) Nominal working pressure: 12bars(1.2Mpa)4) Strength test pressure: 48bars(4.8Mpa)5) Flux(L/min): 15s ZSFZ-Wet Alarm Valve & System