DETACHABLE VALVE SEAT Russian patent published in 2008 - IPC F16K1/42

Abstract RU 2317459 C2

FIELD: pipeline engineering.

SUBSTANCE: detachable valve seat comprises housing of the ring seat, open flowing passage that passes through the housing of the ring seat and throttle zone defined by the section of the ring seat. The throttle zone is expanded outside. The zone of receiving of the tool is positioned concentrically to the flowing passage and at least partially along the flowing passage. The zone of receiving the tool has a hollow made in the top side of the ring seat.

EFFECT: reduced hydraulic resistance.

17 cl, 6 dwg

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RU 2 317 459 C2

Authors

Kholl Rehndi Dzherol'D

Barr Ronal'D Charl'Z

Stel Mark Duglas

Miller Karl D.

Dates

2008-02-20—Published

2002-11-12—Filed