Ball valve with anti-rotational pressure plate
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United States of America Patent
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Apr 18, 2017
Grant Date -
Jul 21, 2016
app pub date -
Mar 30, 2016
filing date -
Sep 16, 2009
priority date (Note) -
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Abstract
A ball valve having an anti-rotational pressure plate that allows for a balanced pressure load on a valve member is provided. Additionally, the pressure plate can also fix the rotation of an adjacent flow disk, allowing for angular-orientation specific flow characterizing features to be used with the flow disk. By fixing the rotation of the flow disk, the ball valve can characterize flows using a greater variety of flow disk geometries, including angular-orientation dependent and angular-orientation independent flow disks. Further, the pressure plate could also be directly in the form of a flow disk that has anti-rotation features.
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