Spring loaded safety valve
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United States of America Patent
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-
Dec 7, 1982
Grant Date -
N/A
app pub date -
Jun 23, 1980
filing date -
Jun 30, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A spring loaded safety valve includes a control device which admits the pressurized medium to a supplemental loading system which consists of a spring housing which serves as a cylinder for a spring retainer which serves as a supplemental loading piston that is arranged about two adjustable sleeves which are arranged around the valve stem and which control the response pressure and the supplemental loading of the valve spring.
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