FIELD: fire safety equipment.
SUBSTANCE: invention relates to fire-fighting equipment, namely to screw water sprayer. Screw water sprayer includes housing consisting of cylindrical and conical parts. On the cylindrical part of the body there is a support attachment for attachment to surfaces, a connecting head for connection to the fire hose and a bent pipe. Upper helical sprayer with angle of cut of the faces of screw from 45 to 60 degrees is connected to the nozzle, lower helical sprayer is connected to the conical part with angle of cut of the faces of screw from 30 to 45 degrees, wherein bottom sprayer is extended relative to upper in direction of water movement, and water is divided into two flows in cylindrical part of housing.
EFFECT: technical result consists in improvement of efficiency of fire extinguishing by creation of powerful water jet.
1 cl, 1 dwg
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