FIELD: pneumatic pulsed supply fire suppressing equipment for dispersion of liquid and powdered substances. SUBSTANCE: apparatus has variable section discharge pipe with flat resilient multisectioned valve at its outlet end, compressed gas reservoir and quick-acting stop valve communicating compressed gas reservoir with discharge pipe. Specific shape of inner cavity of discharge pipe and counterpressure of resilient valve at outlet end of discharge pipe allow gas flow to be discharged in supersonic rate pulsed mode of discharge and fire suppressing substances to be effectively dispersed. EFFECT: increased efficiency in fire suppression by increased pulsed energy of discharge. 3 cl, 2 dwg
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