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Flexible Wedge Seal For Ball ValveBall valve contains flexible sealing wedge. Wedge flexes around ball at locus of contact, creating effective seal with less force on ball than if hard valve seat were used. Less torque needed to close valve, and smaller actuator used.
Document ID
19940000519
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Levert, Joseph A.
(Allied-Signal Aerospace Co.)
Gage, Larry M.
(Allied-Signal Aerospace Co.)
Date Acquired
August 16, 2013
Publication Date
September 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 9
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-28907
Accession Number
94B10519
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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