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Face-Sealing Butterfly ValveValve plate made to translate as well as rotate. Valve opened and closed by turning shaft and lever. Interactions among lever, spring, valve plate, and face seal cause plate to undergo combination of translation and rotation so valve plate clears seal during parts of opening and closing motions.
Document ID
19930000223
Document Type
Other - NASA Tech Brief
Authors
Tervo, John N. (Allied-Signal Aerospace Co.)
Date Acquired
August 16, 2013
Publication Date
April 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 4
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-28748
Accession Number
93B10223
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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