Butterfly valve with a rigid seal
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United States of America Patent
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Aug 12, 2014
Grant Date -
Jul 23, 2009
app pub date -
Oct 30, 2008
filing date -
Oct 31, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A valve is disclosed and can include a valve body having a central bore for passage of fluid there through and a longitudinal axis. The valve can also include a seal installed within the valve body along the central bore. The seal can include a first seal member having an annular ring portion and a hub portion extending from the annular ring portion. The seal can also include a second seal member including an annular ring configured to engage a distal end of the hub portion and create a sealing engagement between the hub portion and the annular ring when a compressive force is applied to the first and the second seal members.
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