PLUG VALVE Russian patent published in 1997 - IPC

Abstract RU 2097634 C1

FIELD: mechanical engineering. SUBSTANCE: invention relates to plug valve appropriate for petroleum production and petroleum processing industries when designing production trebles, pipeline collector valves and hydraulic pump valves. Plug valve contains sealed bushing with restrictor holes for liquid flow control diametrically disposed in its wall. The plug valve is placed inside conical plug free to rotate and provided with lock. Restrictor holes are calibrated with different cross-sections and bushing lock can interact with the end of conical plug. EFFECT: improved structure of valve. 1 dwg

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RU 2 097 634 C1

Authors

Khalaev G.G.

Pichugin N.A.

Dates

1997-11-27—Published

1994-08-04—Filed