ZSFG drench alarming valve consists of drench alarming valve's body,pressure switch, waterpower alarming bell and pipeline accessories and is used for the opening water showering system, water curtain system and water fog system. It can form a drench showering fire extinguishing system by combining fire detector, opening system shower, system pipe network and necessary pipeline accessories.
1.Quick showering and fire extinguishing, usually used as an isolation for fire prevention, so its shower is in opening type. When the system acts, all the opening showers in the showering area are designed to spray water at the same time. The drench system uses a drench valve for control and usually there is no water in the pipeline.
2.The characteristics of a pre-action system stays at that giving attention to both wet and dry type systems. Usually there is no water in the pipeline and, when in linkage with the alarming system, water can be filled in advance in case of alarming. The shower is in closing type and what the system uses is a drench valve. This system holds a higher requirement and what is the benefit is no water exists in the pipeline at usual, which can prevent mis-showering or frozen crack.
3.The drench system and the pre-action system are used on different positions and the designed flow is different from the required flow.
Specifications | DN | Flange diameter | Body height | Hole center distance | Hole count | System out-form dimension L*B*H |
ZSFG-65 | 65 | 185 | 260 | 145 | 4-18 | 615*398*450 |
ZSFG-80 | 80 | 195 | 280 | 160 | 8-18 | 625*420*458 |
ZSFG-100 | 100 | 215 | 300 | 180 | 8-18 | 642*450*505 |
ZSFG-125 | 125 | 245 | 310 | 210 | 8-18 | 650*460*492 |
ZSFG-150 | 150 | 280 | 340 | 240 | 8-18 | 660*495*538 |
ZSFG-200 | 200 | 335 | 400 | 295 | 12-22 | 760*545*585 |
ZSFG-250 | 250 | 400 | 530 | 355 | 12-26 | 870*620*680 |