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Subject: Re: regenerating a cryo pump

Date: 04/16/03 at 2:54 PM
Posted by: jim
E-mail: jimtli@pacbell.net
Message Posted:

In Reply to: regenerating a cryo pump posted by Abhiram Govindaraju on 04/14/03 at 3:45 PM:

Close gate valve / seal off from system. Purge with a inert gas for 30 minutes, nitrogen works fine. Then pump down with mech pump. Watch the rate of rise (see Shafer's comments). I would suggest going to Helix Technology (owners of CTI cryo-pumps) and get a manual, they may even have a link with regen instructions. Your system probable came with a CTI pump. If not it was most likely an Air Products pump, either way they regen the same.


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