ZSFG Deluge Alarm Valve is a kind of lever-type structure with anti-reset function, it is made as per GB5135.5-2000Standard. Deluge Alarm Valve is widely used for various type system,such as deluge alarm system, water curtain system and water mist system. The drive of deluge alarm valve is to release the pressure inside the deluge valve diaphram room, and use the water supply side pressure to open the valve wedge. Pressure release inside Diaphragm room can be done in different ways like electric lead, isotherm lead and dry lead.
Technical Data
| Item No. | ZSFG100 | ZSFG 150 | ZSFG200 |
| Nominal Diameter(mm) | DN100 | DN150 | DN200 |
| Rated Work Pressure(MPa) | 1.2 | 1.2 | 1.2 |
| Strength Test Pressure(MPa) | 4.8 | 4.8 | 4.8 |
| Water Pressure Peduced | <0.07 | <0.07 | <0.07 |
| Drive Time(s) | <15 | <15 | <15 |
