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Thread: R134a in car air conditioning
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19-12-2009, 09:30 PM #1
R134a in car air conditioning
Why we use R134a in car air conditioning. What is the reason for not using R407c, R410a or R22
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19-12-2009, 10:42 PM #2
Re: R134a in car air conditioning
Probably because it was the next best thing at the time.
R407C, too much glide.
R410a, not available at the time of R12 phase out and also pressures too high.
R22, short shelf life.Brian - Newton Abbot, Devon, UK
Retired March 2015
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21-12-2009, 10:39 PM #3
Re: R134a in car air conditioning
Not long before r134a will be extinct.
production of new cars will stop uing it in 2010 and will likely be replaced by r152a,http://http://www.icis.com/Articles/...out-corre.html
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22-12-2009, 04:34 PM #4
Re: R134a in car air conditioning
Or anything else like CO2, 1234yf and all other sorts of exotic gases.
The answer for me is : why not?
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22-12-2009, 05:28 PM #5
Re: R134a in car air conditioning
R-134a was the replacement for r-12 with a few changes in the system.
Main reason is the low condensing pressures. The same size condenser is being used as in R12
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23-12-2009, 12:03 AM #6
Re: R134a in car air conditioning
co2 is being tested in systems,i am led to believe yet to see one.
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