REPLACEABLE HEAD OF VALVE Russian patent published in 1997 - IPC

FIELD: sanitary engineering. SUBSTANCE: replaceable head of a valve has housing wherein a collar and a stop are provided, lock-nut, and seal. The housing is provided with spindle having a seal, pressing washer, race of the locking device connected with the housing through cross-pieces, movable and fixed ceramic plates provided with ports, and sealing ring. The end face side of the housing is provided with stops. The stop and collar are provided with a groove connected with the space of the housing. The spindle has radial projection which is located at the end of the spindle that projects out of the housing. The spindle is connected with the pressing washer via cross-pieces. The end face of the pressing washer has a projection that interacts with the answering member made in the movable plate. The grove for the projection of the fixed plate is through. EFFECT: enhanced reliability. 6 cl, 10 dwg