VALVE HEAD Russian patent published in 2004 - IPC

FIELD: valving.

SUBSTANCE: valve head has housing provided with a thread, outlet opening and space, valve made of fixed and movable flat ceramic washers with through openings, and driving step rod. The cylindrical part of the step rod is sealed with rubber seals. The ends of the rod are provided with two central symmetrical projections which interact with the movable washer. The fixed washer is mounted in two central symmetrical grooves of the housing, sealed, and locked with a rubber seal and stop. The cylindrical side of the housing has two central symmetrical outlet ports to form a crosspiece. From the opposite side of the inlet face of the housing there is a stop made of a segment cut interacting with the rotation stop made of a pin radially secured to the rod.

EFFECT: enhanced reliability.

3 cl, 2 dwg