POWDER-TYPE FIRE EXTINGUISHER SPRAYER Russian patent published in 2000 - IPC

FIELD: fire-fighting equipment, in particular, device for spraying fluidized fire-extinguisher aerated in fire-suppressor and burst under excessive pressure by hand spray gun. SUBSTANCE: SPRAYER has feeding hose, central body and outer case, which are mounted on feeding hose in axial alignment one with respect to the other. Central body has restricting stop. Outer case is connected to spring-loaded starting lever. Flow-through chamber with flexible body lock valve is fixed on outer case end. Guiding sleeve with sealing projections is positioned between central body and outer case, and between restricting stop adjoining to flow-through chamber and coil spring of starting lever. EFFECT: enhanced reliability in operation and prolonged service life. 1 dwg