Just out of curiosity,
What turbopump / vacuum pump does the community recommend, when it comes to
one that can handle the pumping of a transfer line? Basically, I'm looking
for a relatively low cost option here.
What level of vacuum is required? Right now, the only pump I have is a Welch
unit that gets down to about 50 torr.
Thanks in advance!
Ronald Shin
University of Alabama at Birmingham
Central Alabama High Field NMR Facility
________________________________
> From: main_at_ammrl.groups.io on behalf of Kenneth Sharp-Knott via groups.io
> Sent: Wednesday, July 30, 2025 11:08 AM
> To: main_at_ammrl.groups.io
> Subject: [AMMRL] Helium Transfer Lines - Refreshing vacuum. #poll-notice
A new poll has been created:
Inspired both by recent discussions on the forum about capturing helium during
a fill and a recent visit by an engineer to our facility.
How often do you pump down your helium transfer line?
I will admit that we never have since I joined the facility in 2013 and I
didn't realize that you could.
1. Never
2. Every fill
3. Every year or more frequently
4. More than yearly
5. What? You can pump down a helium transfer line???
Click Here To Vote <
https://ammrl.groups.io/g/main/vote?pollid=50667>
Do not reply to this message to vote in the poll. You can vote in polls only
through the group's website.
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Received on Fri Aug 01 2025 - 09:08:01 MST