Valve device and method for preventing explosion propagation
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United States of America Patent
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Sep 27, 2016
Grant Date -
Aug 27, 2015
app pub date -
Aug 26, 2013
filing date -
Aug 27, 2012
priority date (Note) -
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Abstract
A valve device includes a housing and a closing body for closing a passage in the housing in mechanical manner, wherein the closing body is movable between an open position and a closing position; a reservoir for a flame-extinguishing substance; and an injecting means configured to inject the flame-extinguishing substance into the passage in order to prevent explosion propagation resulting from a non-fully sealed closure by the closing body.
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