Re: [AMMRL] AMMRL: LHe leaks - Oxford Magnet #HeliumRecovery

From: Michael Groves via groups.io <mgrovesnmr=yahoo.com_at_groups.io>
Date: Mon, 30 Sep 2024 17:32:43 +0000 (UTC)

 Hi Hla,

I agree--it's still definitely a good idea to check out the o-rings.  

And since you did this a week ago and it's still a magnet, I assume you've
got the magnet venting through a one-way valve to the atmosphere, but I figured
it was worth confirming--since the liquefier is no longer operating, the magnet
is now venting to the atmosphere, correct?  Is the boiloff still higher
than usual or has it calmed down since you removed the liquefier?

Cheers,Mike

    On Monday, September 30, 2024 at 11:26:21 AM MDT, Hla Win wrote:

 Hi Bert,Thank you.  Yes, we had a small He recovery system going down
 the fill port.  The picture was taken a week ago.  We've removed
 the He recovery system.  I think it was causing a lot of boil off and
 pressure.  I sealed it with electrical tape around the O-ring, and it
 has stabilized for now.  There are no more bubbles for now.  But
 I still want to replace the old O-ring.  Sorry, my mind is racing.
 
 Hla

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Received on Mon Sep 30 2024 - 10:32:50 MST

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