VALVE Russian patent published in 2000 - IPC

FIELD: manufacture of valves. SUBSTANCE: valve has body with seat, shutting member with sealing part and flywheel put into thread of upper part of body. Shutting member is manufactured in the form of cylinder placed in cylindrical bore of body above seat and fitted with sealing ring and pin whose ends are located in grooves of body. Flywheel is equipped with locking arms positioned in radial grooves and in cylindrical groove of shutting member and fixed by cap. EFFECT: simplified design, increased operational reliability, prolonged service life, improved maintainability, reduced usage of metal and labor input. 2 dwg