VALVE HEAD Russian patent published in 1996 - IPC

FIELD: sanitary engineering. SUBSTANCE: valve head has housing with outer thread for fastening it in the socket of the valve, stop member made up as movable and fixed ceramic flat washers with flow openings enclosed by a race, and spindle whose end is provided with a disk having projections interacting with the movable washer. The nut for the axial adjustment is mounted on the housing. The race is made up as a cylinder secured to the spindle disk by way of a spring ring. The race is provided with two grooves for locking members of the fixed washer and at least two radial passageways for flowing fluid. The end face of the race is provided with a projection that enters the housing groove. The race is interposed between the end faces of the housing and valve seat. EFFECT: improved design. 3 dwg