VALVE WITH DOUBLE DISC WEDGE GATE Russian patent published in 2004 - IPC

Abstract RU 2242660 C2

FIELD: pipeline fittings, particularly for oil production and oil refining industries.

SUBSTANCE: valve with double-disc wedge-like gate comprises body and spindle-operated gate. Gate wedge includes two discs cooperating one with another by spherical surfaces or conical and spherical surfaces with fixer installed in disc centers. Internal disc with spherical surface includes above fixer made as finger arranged in orifice of outer disc having conical or spherical surface. Finger is connected to discs, particularly by welding.

EFFECT: increased reliability.

2 cl, 2 dwg

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RU 2 242 660 C2

Authors

Cherykov L.A.

Makarov V.V.

Shanaurin A.L.

Sokolov V.P.

Dates

2004-12-20—Published

2002-11-10—Filed