| 摘要 |
Water mist generating head comprises a twin-flow body with water and gas manifold, axially symmetrical gas nozzles and annular water port, concentrically situated between the nozzles. The water port has water nozzle at the outlet, convergent towards the axis and gas nozzles, central and annular having a Laval nozzle profile with outlet channel with walls parallel to the axis. The head is designed for the purpose of extinguishing fires and deactivation of chemical and biological contamination.
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