CUTOFF VALVE Russian patent published in 2009 - IPC F16K17/22

Abstract RU 2360172 C2

FIELD: mechanics.

SUBSTANCE: cutoff valve consists of body 1 with inlet cavity 2, outlet cavity 3 and end face cavity 4, movable bush gate 7 spring-loaded in the direction from the seat, spring chamber 5 and pilot valve 12 interacting therewith. Cap 8 is provided at the end face of movable bush gate 7. Outlet cavity 3 is provided with hole 11 to interact spring chamber 5 through pilot valve 12.

EFFECT: possibility of automatic operation when replacing compressible medium with non-compressible one.

1 dwg

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RU 2 360 172 C2

Authors

Kotov Jurij Ivanovich

Puzikov Sergej Aleksandrovich

Dates

2009-06-27—Published

2007-03-07—Filed