GAS CYLINDER WITH SAFETY VALVE Russian patent published in 2003 - IPC

FIELD: explosive gas storage, particularly during welding operation performing. SUBSTANCE: gas cylinder has body with mouth having outlet connecting pipes. Safety valve is installed in one connecting pipe. Safety valve outlet orifice is closed by piston having seal and two cantilever bars arranged in piston axial direction. Cantilever bar ends comprise outwardly sloping extensions, which bear against valve body. Outlet connection pipe with safety valve may be located in gas cylinder lower part. Gas cylinder may comprise vessel filled with fire-extinguishing powder and located above safety valve outlet orifice. EFFECT: increased reliability. 3 cl, 4 dwg