BALL COCK WITH CHANGEABLE THROTTLE Russian patent published in 1998 - IPC

FIELD: pipe line fittings; fittings mounted in water supply pipe line running to injection well in oil recovery. SUBSTANCE: ball cock with changeable throttle includes body with side hole located perpendicularly relative to axis of turn of plug in plane of its straight-way passage. Container with throttle secured inside it is mounted in passage. Container is supported by head. Side hole is sealed up by cover. Container is mounted movably and is sealed relative to plug. Container is provided with device for dismantling which is made in form of groove located on inner surface of container before throttle in way of medium; cylindrical housing has grooves on its end surfaces for sealing rings. EFFECT: enhanced reliability. 2 cl, 2 dwg