BALL COCK Russian patent published in 1998 - IPC

Abstract RU 2107207 C1

FIELD: pipeline fittings; control of aggressive media flows. SUBSTANCE: cock has body, seat made in the form of bush, shut-off plug and sectional rod. Body, seat shut-off plug and part of sectional rod are made from silicicated graphite. Outer surface of body is provided with flexible envelope. EFFECT: enhanced reliability. 1 dwg

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RU 2 107 207 C1

Authors

Grigor'Ev A.A.

Dates

1998-03-20—Published

1993-01-27—Filed