HIGH CAPACITY LINEAR VALVE CAGE
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United States of America Patent
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Issued Date -
Apr 13, 2017
app pub date -
Dec 8, 2015
filing date -
Oct 12, 2015
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Abstract
A cage for a control valve has a circumferential wall having inner and outer surfaces, a plurality of first passages formed through the wall, and a plurality of second passages formed through the wall. The plurality of first passages each include an upper portion and a lower portion that is tapered in a direction away from the upper portion. The plurality of second passages are positioned between adjacent lower portions of first passages.
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