CHECK VALVE Russian patent published in 2004 - IPC

Abstract RU 2237212 C2

FIELD: pump engineering.

SUBSTANCE: check valve has housing, seat provided with load-carrying and sealing parts, valve member, guiding member, flexible spacer, stop ring, and sealing ring. The sealing part of the seat is made of a self-sealing collar. The top part of the collar points in the direction of the fluid flow and is bent toward the center of the valve.

EFFECT: enhanced reliability.

3 dwg

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RU 2 237 212 C2

Authors

Kozlov M.T.

Roslov V.A.

Shushkov A.A.

Kotin A.P.

Tukhvatullin R.R.

Dates

2004-09-27—Published

2002-09-23—Filed