Comment metalica SNF 2008-06-27 16:34:23: Poor Plumbing Design

emyers at emyers at
Fri Jun 27 16:34:24 PDT 2008

I found the Ar whitey valve slightly ajar.  This was allowing Ar in the chamber during pumpdown making it look like a leak.  Stopping the Ar flow the base pressure quickly dropped to E-7 range.  This needs to be redesigned....

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