BLAST FURNACE CHARGING APPLIANCE GAS SEAL VALVE

摘要

FIELD: metallurgy. ^ SUBSTANCE: proposed valve comprises body with seat, shut-off poppet and poppet drive made up of lever with its one end jointed with the poppet and opposite end jointed with drive shaft arranged perpendicular sealed hole plane. Valve is furnished with pivot cone with cooling gas feed channels. Cooling gas feed channels are made in seat and shut-off poppet. Brackets are made in pivot cone base to support cantilever sheet to shut off passage hole in valve body so that preset clearance is produced for feeding cooling gas from the body. ^ EFFECT: longer life. ^ 4 dwg