[AR] Re: Lubricant for cryogenic Valves

  • From: Rocket Pavitra <pavitrapatel.astro@xxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Sun, 19 Feb 2023 17:19:22 +0530

This is useful! Thanks

On Sun, Feb 19, 2023 at 5:10 PM Daniel Frank <daniel.frank@gate.space>
wrote:

We successfully used LOX-8 grease
<https://www.fluoramics.com/fluoramics/lox-8-grease/> for ball valves
modified for LOX.
It would be interesting to hear about other options though.

On Sun, 19 Feb 2023 at 12:36, Rocket Pavitra <pavitrapatel.astro@xxxxxxxxx>
wrote:

What are the different options for lubricants to use for valves that
carry cryogenic fluids (liquid oxygen/methane).

I searched online and can't seem to find one that can work well below
-112 degree celsius.
Since Liquid oxygen is -183 and liquid nitrogen -210 there must be some
sort of lubricant that is used in valves that operate with cryo fluids.

- Pavitra


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