Cheap Price Efficient Timely Rain alarm valve Deluge water extinguishing system
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 |