FIELD: combined gas fire extinguishing equipment adapted to extinguish class A1, A2, B, C and E fires and to retard explosive medium in closed space.
SUBSTANCE: method involves producing gas mixture including carbon dioxide, nitrogen and/or helium, wherein component ratio in the mixture is chosen to provide maximal possible Lewis number of the mixture having specific weight equal to density of air under normal conditions.
EFFECT: increased efficiency of smoldering fire extinguishing.
3 dwg, 1 tbl
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|
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