Alleviating sticking of normally closed valves in nuclear reactor plants
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United States of America Patent
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Aug 8, 2000
Grant Date -
N/A
app pub date -
Dec 3, 1996
filing date -
Dec 3, 1996
priority date (Note) -
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Abstract
Normally closed valves that operate in the environment of nuclear power plants are provided with surface-modified valve seat components to alleviate sticking of the valves. The surface modification is achieved by ion implantation of a coating of, for example, platinum, palladium, platinum/palladium or palladium/gold on at least one valve seat component.
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