GATE VALVE Russian patent published in 2000 - IPC

Abstract RU 2147094 C1

FIELD: piping systems; devices for reliable closing of pipelines transporting liquid and gaseous media. SUBSTANCE: gate valve has body with inlet and outlet branch pipes, spindle with wedge- shaped shank and shutoff member enclosing the shank. Shutoff member made in form of hollow flexible disk is provided with stop. Inner part of flexible disk has fittings installed for engagement with shank of spindle and with stop. EFFECT: improved reliability and increased service life of flexible sealing member and gate valve as a whole. 5 cl, 1 dwg

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RU 2 147 094 C1

Authors

Bazhenov V.Ja.

Dates

2000-03-27—Published

1998-01-21—Filed