Effects of a Surface Engineered Metallic Coating on Elastomeric Valve Stem Seal Leakage Page: 2
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Taylor, John Abner, Effects of a surface engineered metallic coating on
elastomeric valve stem seal leakage. Master of Science (Engineering Technology),
December, 2000, 98 pp., 5 tables, 33 illustrations, references, 50 titles.
Valve stem seal leakage is a major source of fugitive emissions, and controlling
these emissions can result in added expense in leak detection and repair programs.
Elastomeric O-rings can be used as valve stem seals, and O-ring manufacturers
recommend lubrication of elastomeric seals to prevent damage and to assure proper
In this research, a metallic coating was applied as a lubricant using a vacuum
vapor deposition process to the surface of elastomeric valve stem seals. Valve stem leak
measurements were taken to determine if the coated O-rings, alone or with the
recommended lubrication, reduced valve stem seal leakage. This research determined
that the metallic coating did not reduce valve stem leakage.
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Taylor, John Abner. Effects of a Surface Engineered Metallic Coating on Elastomeric Valve Stem Seal Leakage, thesis, December 2000; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc2690/m1/2/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .