Dual chamber orifice fitting isolation valve
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United States of America Patent
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Jan 18, 2011
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N/A
app pub date -
Feb 13, 2006
filing date -
Feb 13, 2006
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Abstract
Apparatus and methods for operating a dual chamber orifice fitting. The dual chamber orifice fitting comprises a body having a lower chamber and a top having an upper chamber. An aperture connects the upper chamber to the lower chamber. A closure member is pivotally mounted to the fitting and pivots about a first axis between a first position and a second position. A pivot arm is rotatably mounted to the body and engages the closure member so that rotation of the pivot arm about a second axis pivots said closure member about the first axis between the first and second positions.
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