ZSFG-Deluge Alarm Valve & System 1) Item No.: ZSFG100, ZSFG150, ZSFG200 2) Nominal diameter: 100mm, 150mm, 200mm ZSFG-Deluge Alarm Valve & SystemFeature:1) Item No.: ZSFG100, ZSFG150, ZSFG2002) Nominal diameter: 100mm, 150mm, 200mm3) Nominal working pressure: 12bars(1.2Mpa)4) Strength test pressure: 48bars(4.8Mpa)5) Rub prevention< 0.076) Start time: <15s ZSFG-Deluge Alarm Valve & System