... :ZSFG100(100mm),ZSFG150(150mm),ZSFG200(200 Deluge Alarm Valve & System,valve,deluge valve system,fire fighting equipmentFeatures: 1) Item no.: ZSFG100, ZSFG150 ... working pressure: 12 bars (1.2MPa)4) Strength test pressure: 48 bars (4.8MPa)5) Rub prevention: <0.076) Starting time ...