Shut-off valve and method for using same
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United States of America Patent
Stats
-
Mar 22, 1988
Grant Date -
N/A
app pub date -
Feb 26, 1986
filing date -
Feb 26, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A valve for automatically shutting off the flow of fluid in the event of a malfunction. The valve is provided with a body having an internal valve cavity in which a valve spool translates. The valve spool serves to control the flow of fluid between and inlet and outlet and is shiftable between an open and a closed position. The inlet and output pressures are monitored by internal ports to sense the occurrence of a malfunction and to automatically shift the valve to the closed position. A reset mechanism is also provided allowing the valve spool to be returned to the open position.
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Family
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Cited Art Landscape
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