SHUT-OFF ACTUATING DEVICE Russian patent published in 2002 - IPC

FIELD: valve gears for pneumatic systems with noncombustible gas, applicable in bottle systems of fire-extinguishing with inert gases. SUBSTANCE: the shut-off actuating device has a body with a central axial duct, inlet connection, outlet connection and a butt connection. The inlet and outlet connections are positioned in the body diametrically opposite each other. A valve with a pressure gauge is installed in the body head section coaxially with the duct. The actuating unit is installed inside the inlet connection, the unit has an actuating bushing and an explosive unit. Installed in the outlet connection coaxially to it is a membrane that is fastened with the aid of a service bushing and a perforated tightening bushing. EFFECT: simplified construction and enhanced reliability. 7 cl, 2 dwg