Three-way valve with pressure balanced plug member

Details Three-way valve with pressure balanced plug member Three-way valve with pressure balanced plug member

1993-03-08

1994-07-12

Fox, John C.

Fluid handling

Systems

Multi-way valve unit

251283, F16K 1108

Patent

active

053279352

ABSTRACT:
A three-way valve for high pressures and having a plug member rotatable within a valve housing. A seal arrangement is offset from the plug member to define a space in which system fluid pressure may be trapped for the purpose of acting on the plug member to offset system fluid pressure applied in an opposite direction to the plug member. Accordingly, frictional engagement of the plug member with the valve housing is reduced.

REFERENCES:
patent: 3193245 (1965-07-01), Parker
patent: 3774634 (1973-11-01), Bonney
patent: 4055324 (1977-10-01), Hughes et al.

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