[Hallb-engineering] [New Logentry] Follow-up Re: Follow-up Re: Hall B dewar disconnect and 4K circuit purification check and cleanup

kashy at jlab.org kashy at jlab.org
Mon Jan 13 14:55:02 EST 2025


Logentry Text:
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Cryo pulled our 4K supply U-tube and installed a VJ L-tube.
This allows much more flow
Now with ~2.1atm in the TL we are getting 4g/s flow.
This should warm up the line and if all goes well we will have a warm 4K circuit by morning or sooner.

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