View Single Post
  #1  
Old July 16th 05, 03:12 PM
Daniel J. Stern
external usenet poster
 
Posts: n/a
Default

On Sat, 16 Jul 2005, Bill wrote:

> For what its worth, R13 was (and may still be ) used in vapor traps for
> vacume systems typicaly found in laboratories (freeze dryers, etc). The
> idea being to remove moisture before it gets to the vacume pump-- some
> cascade systems got to around -120 C as I recall (I serviced these units
> about 20 years ago and as I am an old fart, my memory is not too good
> anymore---I believe the refrigerant I used was actualy called R13B1)


Grand, but you really have to watch those suffixes. There are refrigerants
with the same number but different suffixes ("a" vs "A" vs "B" etc.) that
aren't the same thing.

And no car ever made has ever used R13-anysuffix.
Ads