Problem tylannitride SNF 2009-11-27 22:10:57: gate valve problem

seymour at seymour at
Mon Nov 30 08:48:46 PST 2009

pumped tiube in manual. Flowed N2 and pressure looked normal with 500 sccm of N2. base pressure was 3 mT and rate of rise was 11 mT/min.

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