VALVE HEAD Russian patent published in 1997 - IPC

Abstract SU 1804191 A1

FIELD: plumbing fittings; gradual shut-off of liquid flow without hydraulic impacts. SUBSTANCE: valve head has body with supply hole stopped with sealing joint consisting of two ceramic surfaces, one of which is formed by sealing swivel washer provided with straight-way hole and located in sleeve; it is turned by means of spindle fitted with seal and sleeve. Innovation of invention consists in form of flexible member which is made as hemisphere with longitudinal slots. EFFECT: enhanced reliability. 2 dwg

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SU 1 804 191 A1

Authors

Terekhov A.F.

Bykov E.V.

Dates

1997-06-10—Published

1989-01-04—Filed