R12 drop in Refrigerant

**mikejen** · 02-01-2007, 07:10 PM

Hello everyone can you advise me a drop in for a walk in running on R12 operating as a chiller 40-45 deg f
Thanks

**Andy P** · 02-01-2007, 08:53 PM

Hi Mike - you could try DuPont's ISCEON MO49 which will act as a drop in. It is mainly targetted at car a/c but will work fine in your application, and is particularly good in higher ambients. There are also others if you can't find a DuPont stockist, but make sure you use something compatible with mineral oil

cheers

Andy P

**Raven** · 02-01-2007, 10:29 PM

Hi Mike,
R409A is what we use here in London as a drop in for
R12 not that there is a lot of use for it now.

Hope this helps,
Cheers,
Raven

**bobkellyb** · 03-01-2007, 10:34 AM

There several to choose from, I have found R409a ok
but latley have been using SP34E, (134a with some additives so it can be used with mineral oil)

**mikejen** · 03-01-2007, 12:25 PM

Thanks everyone will need to get the Refrigerant from the States as no one on the island has the Refrigerants you have mentioned

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