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Application filed by Сибирский химический комбинатfiledCriticalСибирский химический комбинат
Priority to SU4631956/29ApriorityCriticalpatent/SU1804191A1/en
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Publication of SU1804191A1publicationCriticalpatent/SU1804191A1/en
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