Cast iron and stainless steel Rain alarm valve Deluge water supply equipment
Rain alarm valve is opened by electric, mechanical or other methods, so that water can automatically flow into the sprinkler system at the same time to alarm a check valve.Item | ZSFM80 | ZSFM100 | ZSFM150 | ZSFM200 | ZSFM250 | ZSFM300 |
Nominal pressure(MPa ) | 1.6/2.5 | |||||
Hydraulic friction(MPa ) | ≤0.07 | |||||
Nominal diameter | DN80 | DN100 | DN150 | DN200 | DN250 | DN300 |
Material | Cast iron and stainless steel | |||||
Connector Type | Flange and groove type |