April 6th, 2011 – High-temperature leak-characteristics of PCV hatch flange gasket

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From:Powers, Dana
Sent:Wednesday, April 06, 2011 8:52 AM
To:Lee, Richard
Subject:Head Seal Leakage
Attachments:PCV Tests Japanese (2).pdf

Richard, Attached is some information on the head seal of Japanese reactors. I will have to get back to my office to find more. Radiation causes crosslinking that makes the polymer stiff. Note failure (leakage) occurs faster in steam than in nitrogen.

Dana


High Temperature Leak Characteristics of PCV Hatch Flange Gasket Pages From C142449-02K


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