| 摘要 |
The invention relates to a spray nozzle unit, in particular for spraying explosion risk areas in subsurface mining, and for use in ultra high speed fire suppression system at response times below 50 milliseconds, having a nozzle body. The nozzle body has a nozzle opening for ejecting spray liquid, allowing low water consumption, designed robustly, and allowing operation without compressed air. A closing means is disposed in the nozzle body for closing the nozzle opening in the non-pressurized state of the spray nozzle unit. |
