Bidirectional fluid control valve

Details Bidirectional fluid control valve Bidirectional fluid control valve

1996-07-08

1999-12-21

Fox, John

Fluid handling

Systems

Multi-way valve unit

F16K 11065

Patent

active

06003551&

ABSTRACT:
A bidirectional flow fluid control valve having increased flow capacity in a flow down condition, a flow up condition or, preferably, in both flow conditions. The valve has a curved surface on the top portion of the valve plug or on the inner annular surface of the body web below the valve seat. Preferably, the valve has curved surfaces in both locations. A variety of radii of curvature at those locations have been found to increase flow capacity. Adjacent the curved portions of the valve plug surface or the body web inner annular surface, uncurved portions may be employed.

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