SHUT-OFF GATE VALVE Russian patent published in 1999 - IPC

Abstract RU 2128307 C1

FIELD: mechanical engineering. SUBSTANCE: gate valve has two flanges with straightway holes and flat gate located turnably between them. gate has straightway hole, handle and turn limiters. Gate is clamped by bolts fitted on flanges. Each flange is coated with flexible gasket and gasket made from antifriction material laid over it. EFFECT: enhanced tightness of gate valve. 4 dwg

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RU 2 128 307 C1

Authors

Sedov A.M.

Dates

1999-03-27—Published

1996-11-29—Filed