FIELD: fire fighting facilities. SUBSTANCE: device has mixing chamber with gas phase feeding arrangement and foam generating solution sprayer, additional saturation chamber with liquefied inert gas delivery nozzle and foam generating screen. Saturation chamber is installed after mixing chamber and is separated from the latter by foam generating screen. Inert gas delivery nozzles have heat insulating enclosure. EFFECT: increased efficiency of fire fighting. 2 cl, 1 dwg
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