Hello AMMRL'ers,
Thank you all for your quick and thorough responses. We are going
to replace the 22psi pressure relief valve first, as many of you
suggested.
https://www.mcmaster.com/22-psi-pressure-relief-valves
Another suggestion was to push the liquid through via an external
N2 gas tank, which we thought about doing, but instead used a
different tank to complete our fills.
To answer some of your other questions:
--we do not have a pressure builder valve on this tank
--the tank was not transported from the cold MN air; it has a home
inside our building and is filled weekly the day prior to our
magnet fills
--there was no ice buildup on the outside of the tank
--the NMR magnets (at least the one we checked) did not appear to
have ice blockages
Best regards,
--
Letitia J. Yao, Ph.D.
yaoxx006_at_umn.edu
Chemistry NMR Laboratory
University of Minnesota
(612) 625-8374
Received on Thu Feb 25 2021 - 07:21:41 MST