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cryogenic pump

cryogenic pump

cryogenic pump

(OP)
I search a little pump (1l/min, less than 10m of HMT) to empty a tank that contain cryogenic liquid (butane, pentane, etc) at low température (-160°C). The ideal pump is to work without electricity but with N2 flow to avoid explosion problems.
Do someone know a fabricant of this type of pump.
Thank you

RE: cryogenic pump

At our Air-Separation plant we use SEFCO PUMPS to pump Oxygen (and our other cryogenic liquids) at different pressures. Our pumps are larger then the one you need, but maybe it's an idea to contact Sefco. We have very good experiences with this brand.
Our pumps are driven by an electromotor. When you use N2 sealgas on the shaftseal and sealgas (N2) on the motor there is no risk.
If you search on Google with searchkey "Sefco pumps" you'll find the website.

Cryotechnic

RE: cryogenic pump

What are the pumps used on liquid gas tank trucks?  They are fairly small, and handle LHydrogen nicely.

= = = = = = = = = = = = = = = = = = = =
Corrosion never sleeps, but it can be managed.
http://www.trenttube.com/Trent/tech_form.htm

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