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Lock For Valve StemSimple, cheap device locks valve stem so its setting cannot be changed by unauthorized people. Device covers valve stem; cover locked in place with standard padlock. Valve lock made of PVC pipe and packing band. Shears, drill or punch, and forming rod only tools needed.
Document ID
19910000662
Document Type
Other - NASA Tech Brief
Authors
Burley, Richard K.
(Rockwell International Corp.)
Guirguis, Kamal S.
(Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
December 1, 1991
Publication Information
Publication: NASA Tech Briefs
Volume: 15
Issue: 12
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-29764
Accession Number
91B10662
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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