PRESSURE RELIEF VALVE ASSEMBLY INCLUDING SERIES COUPLED VALVES AND RELATED METHODS
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United States of America
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Issued Date -
Nov 21, 2024
app pub date -
Jul 26, 2024
filing date -
Jul 26, 2024
priority date (Note) -
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Abstract
A pressure relief valve (PRV) assembly may include a housing having an opening therein, an interior cavity, a passageway extending between the opening and the interior cavity, and a flange extending within the passageway adjacent the opening. The PRV assembly may also include a first stage valve carried within the interior cavity, and a second stage valve fluidly coupled in series with the first stage valve. The second stage valve may include an enlarged head carried within the opening and a shaft extending from the enlarged head through the passageway to the interior cavity. The shaft may have a proximal end coupled to the enlarged head and an opposing enlarged distal end adjacent the interior cavity. A biasing member may be between the enlarged distal end and the flange. The biasing member may be configured to bias the first and second stage valves to a closed position.
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