Valve studies: Hydrogen fluoride monitoring of UF{sub 6} cylinder valves | Zendy

R.R. Leedy | Zendy; A.R. Ellis | Zendy; D.P. Hoffmann | Zendy; G.C. Marsh | Zendy

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Valve studies: Hydrogen fluoride monitoring of UF{sub 6} cylinder valves

Author(s) -

R.R. Leedy,

A.R. Ellis,

D.P. Hoffmann,

G.C. Marsh

Publication year - 1996

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/369673

Subject(s) - cylinder , materials science , leak , metallurgy , forensic engineering , environmental science , engineering , mechanical engineering , environmental engineering

Uranium hexafluoride (UF{sub 6}) cylinder valves have, like the cylinders, been in use and/or storage for periods ranging from 15 to 44 years. Visual inspection of the cylinders has shown that the extent of corrosion and the overall cylinder condition varies widely throughout the storage yards. One area of concern is the integrity of the cylinder valves. Visual inspection has found deposits which have been identified as radioactive material on or near the valves. These deposits suggest leakage of UF{sub 6} and may indicate valve degradation; however, these deposits may simply be residual material from cylinder filling operations

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