Comment metalica SNF 2011-03-22 18:48:37: Roughing pump valve

jperez at snf.stanford.edu jperez at snf.stanford.edu
Mon Apr 18 08:28:36 PDT 2011


New roughing valve, remove latest roughing valve. This newer 
roughing valve is like the old one. It stops turning when fully open or 
closed.




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