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Xtreme Cooling LN2, Dry Ice, Peltiers, etc... All the usual suspects

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Unread 03-17-2006, 04:37 AM   #1
Xeon the MG pon
Cooling Neophyte
 
Join Date: Mar 2006
Location: Canada
Posts: 3
Default R-12 TXV but only have R-290!

Ok here's the problem I scored a 2ton and a 1/2 ton R-12 TXV I want to use R-290, but I am thinking this won't work, but I'm not shure hence why I'm asking!

If this dosn't work I intend on using a 80/20 mix of R-134a & R-290 this will allow me to use the R-12 TXVs with the R-134a and use Minerol oil thanks to the R-290 and get some ok temps while at it.

But naturaly if I can get away with using pur R-290 it will make every thing much easier.

This is NOT for a computer system, this is a A/C unit I am building so please spar me all the computer related stufe (Been there don it, but I like water it's more then enough) I know thee's questions go off the deep end if allowed to so I figured I'd pre-emptivly stop that....

Any help will be greatly apreciated..
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Unread 03-17-2006, 11:55 AM   #2
ricecrispi
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Join Date: Jul 2005
Location: california
Posts: 429
Default Re: R-12 TXV but only have R-290!

I'm sure s few people here have experience with compressors but some other forums have guys with tons of experience building phase change coolers with compressors and blending.

http://forums.extremeoverclocking.co...play.php?f=183


http://www.xtremesystems.org/forums/...play.php?f=155

http://www.xtremesystems.org/forums/...splay.php?f=80
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Unread 03-17-2006, 12:46 PM   #3
Xeon the MG pon
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Join Date: Mar 2006
Location: Canada
Posts: 3
Default Re: R-12 TXV but only have R-290!

Thanks, I found a great PDF on making a perfect Anzeotropic mix for R12

it's 80% 134a and 20% R600a
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Xeon! the one and Only MG Pony!
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Das MG42 schÜtze !

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