BNSV Deluge alarm valve
Overview
Deluge alarm valve is composed of valve body parts, pressure switch, hydraulic alarm bell and pipeline accessories. Deluge alarm valve is widely used in open spray system, water curtain system and water mist system. The sprinkler system is composed of fire detection device, sprinkler head of open system, system pipe network and necessary pipeline accessories.
● The valve with manual emergency pneumatic, nozzle detection start, solenoid valve control start (linkage), anti reset function.
● When the monitoring device in the system detects the fire alarm signal, it will send an alarm signal to the control center, and the control center will send an action command to the deluge alarm valve device;
● When the detection nozzle acts, the pressure in the monitoring room of the deluge alarm valve will drop sharply, which will automatically open the deluge alarm valve to spray fire and give an alarm.
| No. | Parts | Material | No. | Parts | Material |
| 1 | Body | QT450-10 | 6 | Middle bonnet | QT450-10 |
| 2 | Main port gasket | EPDM | 7 | Abdominal film | EPDM |
| 3 | Seat | SS304 | 8 | upper diaphragm compressor | QT450-10 |
| 4 | Disc | QT450-10 | 9 | Lower diaphragm compressor | QT450-10 |
| 5 | Stem | SS304 | 10 | Upper bonnet | QT450-10 |
Can be customized according to customer requirements, more sizes please contact us.