Butterfly valve
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United States of America Patent
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Jun 16, 2020
Grant Date -
Mar 30, 2017
app pub date -
Dec 8, 2016
filing date -
Jul 30, 2013
priority date (Note) -
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Abstract
Exemplary embodiments are directed to butterfly valves, generally including a body assembly. The body assembly generally includes a body, a disc rotationally disposed inside an opening of the body, a bearing disposed inside the disc and the body, and a stem passing through the disc, the bearing and the body. The bearing generally includes an internal bearing edge. The stem generally includes an external stem edge to engage the internal bearing edge to prevent stem blowout from the body. Methods of assembling and positioning a butterfly valve are also provided.
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