Ball valve with offset through-duct

Details Ball valve with offset through-duct Ball valve with offset through-duct

1993-05-05

1994-06-28

Fox, John C.

Valves and valve actuation

Rotary valves

Ball valve

251315R, F16K 506

Patent

active

053240081

ABSTRACT:
A fluid ducting valve of the type comprising an interception ball fitted with a through-duct and sealing rings interposed between such ball and fluid flow ducts, in which such through-duct of ball is located with its longitudinal axis offset in the downstream direction relative to the axis of rotation of ball, when the latter is rotated to the position of interception, the relatives distance between the longitudinal axis of duct and the axis of rotation of ball being such that upstream apertures of duct are always closed before downstream apertures move on downstream sealing rings with the valve either closed or open.

REFERENCES:
patent: 3542337 (1970-11-01), Scaramucci
patent: 5070909 (1991-12-01), Davenport

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