Conduit isolation diaphragm assembly
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United States of America Patent
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Nov 17, 1992
Issued Date -
N/A
app pub date -
Jul 24, 1991
filing date -
Oct 3, 1988
priority date (Note) -
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status (Latency Note)
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Abstract
An isolation diaphragm assembly designed to be installed in a standard tee, Y or coupling in a conduit to isolate one portion of the conduit from another. In its initially installed condition, the isolation diaphragm assembly provided a seal for isolating portions of conduit systems for pressure testing. Once the testing procedures are complete, the test diaphragm, being larger in diameter than the interior diameter of the conduit, is flexed into a saddle shape to permit its removal from a gasket and due to the decreased dimension, may then be drawn out of the conduit, leaving a fully unobstructed flow path.
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