BUTTERFLY VALVES HAVING MULTIPLE SEALS
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United States of America Patent
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Issued Date -
Jul 24, 2014
app pub date -
Jan 22, 2013
filing date -
Jan 22, 2013
priority date (Note) -
Abandoned
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Abstract
Butterfly valves having multiple seals are described herein. An example butterfly valve includes a body defining a passageway between an inlet and an outlet. The example butterfly valve includes a first flexible seal coupled to a first surface of the body adjacent the inlet to engage a first portion of a disk. The example butterfly valve also includes a second flexible seal coupled to a second surface of the body adjacent to the outlet to engage a second portion of the disk different than the first portion.
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