Ball valve with adjustable flow coefficient
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United States of America Patent
Stats
-
Jan 4, 2005
Grant Date -
N/A
app pub date -
Feb 14, 2002
filing date -
Aug 17, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A valve connected to a fluid pipe line and having a valve chamber and at least one inlet port (3) and one outlet port (4), the valve comprising a ball (5) mounted in the valve chamber between a pair of seats (8, 9), and having an exterior surface and two ends and a fluid passageway extending between the two ends, the ball (5) is turned by a stem (6) for selective adjustment between an open and a closed position, with the ball (5) and stem (6) having an axis of rotation perpendicular to the centerline between the inlet (3) and outlet (4) ports, and the ball (5) having the centerline for its fluid flow passageway at an angle different from perpendicular to the axis of rotation of the ball (5).
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