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Sensitive low-pressure relief valve has positive seating against leakageA pilot-operated relief valve which provides positive seating against leakage in cryogenic systems is described. The principal advantage is that the pilot poppet is unaffected by variations in control pressures in the pilot cavity, and results in a more accurate sensing of inlet pressure conditions.
Document ID
19640000075
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Date Acquired
August 2, 2013
Publication Date
November 1, 1964
Subject Category
Mechanics
Report/Patent Number
WOO-041
Accession Number
64B10278
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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