Re: [AMMRL] Helium Delivery-Safety Valve in off position

From: Kenneth Sharp-Knott via groups.io <kknott=vt.edu_at_groups.io>
Date: Wed, 14 May 2025 13:40:45 +0000

In a similar vein, I have twice received helium dewars where the stack in the
center had been cleaved off completely. These dewars and shipped by common
carrier to our local Linde branch. I'm not sure how this happens, but it
almost seems like the Dewars are raised in the bed of the truck high enough
that they are cleaved when going under a bridge/tunnel?? I would have though
these would be shipped in an enclosed freight container. I'm very curious
how it happens. Of course, the dewar is either empty or ice blocked upon arrival.


Ken Sharp-Knott
Manager of Analytical Services and the NMR Facility
Department of Chemistry
Virginia Tech

(540)267-6502 (Cell)
(540)231-0885 (Office)


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Received on Wed May 14 2025 - 06:42:01 MST

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