R12a vs r134a
R12a Vs R134a. Heres a link to what I got. How do you fix your AC you ask. First warm up the car with the air on and then turn it off. R134a systems operate at higher discharge-side pressures than R12 which can cause compressor seals to leak.
A C 12a Equivalent Chart From emzone.ca
Retrofitting a unit from R12 to R134a refrigerant requires you to adjust the charge accordingly. Pound for pound R134a is a more efficient refrigerant than R12 however it runs at higher pressures in some aspects and therefore requires more effective condensing. R12 contains CFCs like hairspray once did that is potentially damaging to the ozone layer. The us e of R134a as working fl uid to replace R12 in automotive AC was carried out in the 1990s because the R12 has high ODP. This is because R134a. R134A or HFC-134A became the accepted standard because it has no potential of ozone depletion and has similar but not equal to cooling abilities to the R-12 and R-22 refrigerants.
Personally I would never mix refrigerants.
R134a and R12 exhibit similar performance characteristics as refrigerants with R12 showing a slight advantage. Hopefully someone will have more info than I do. Pound for pound R134a is a more efficient refrigerant than R12 however it runs at higher pressures in some aspects and therefore requires more effective condensing. Retrofitting a unit from R12 to R134a refrigerant requires you to adjust the charge accordingly. Salesman tried telling me to use it in my R134A Windstar. Heres a link to what I got.
Source: frosty-freezeacproducts.com
Bottom line R134a simply doesnt cool as well as R12. Where do you buy R-12 refrige. The molecule size of R134a is smaller than that of R12 so there was concern that R134a could leak out through the hoses and flare fittings that R12 systems used. On many of the canaster Type GM AC systems the low pressure bleed valve inside the dryer Reciever valve assembly had to be adjusted for to higher bleed down pressure for. Many classic car enthusiasts have stated that their original air conditioning systems once changed over and refilled with R134A do not blow as cold as they used to.
Source: hankjobenhavn.com
R12 does cool better but is not good for the environment R134a does not cool as well but is environmentally friendly. I can notice a little difference but it doesnt bother me much I just need to run the fan a little more now. I guess you can but you cant mix it with the stuff in there now. Furthermore because R134a still has high GWP it also. Pound for pound R134a is a more efficient refrigerant than R12 however it runs at higher pressures in some aspects and therefore requires more effective condensing.
Source: hemmings.com
R134a systems operate at higher discharge-side pressures than R12 which can cause compressor seals to leak. The r12A I got isnt the same as the old style R12. Why was the manufacturing of R12 banned. Pound for pound R134a is a more efficient refrigerant than R12 however it runs at higher pressures in some aspects and therefore requires more effective condensing. R-12a is a hydrocarbon-based refrigerant.
Source: emzone.ca
The volume of r134a refrigerant is lighter than the same amount r12 refrigerant. Just adding R12a to a 134a system doesnt work very well because a 5050 mix is very inefficient. Whether R134a performs as well as R12 in any given ac system depends upon system components and the amount of R134a used. Have a good one. The Duracool stuff I mentioned was what our local Walmart carried.
Source: multitanks.com
Bottom line R134a simply doesnt cool as well as R12. Discuss different considerations when selecting a refrigerant. Well worth the money if your AC system is still in good shape. Personally I would never mix refrigerants. Hopefully someone will have more info than I do.
Source: idealcoolantsolutions.com
R12 contains CFCs like hairspray once did that is potentially damaging to the ozone layer. Furthermore because R134a still has high GWP it also. On many of the canaster Type GM AC systems the low pressure bleed valve inside the dryer Reciever valve assembly had to be adjusted for to higher bleed down pressure for. This is because R134a. R12 contains CFCs like hairspray once did that is potentially damaging to the ozone layer.
Source: frostycool.com
I can notice a little difference but it doesnt bother me much I just need to run the fan a little more now. All in all Im very happy with the results and see no reason why they wont last. Heres a link to what I got. Bottom line R134a simply doesnt cool as well as R12. Whether R134a performs as well as R12 in any given ac system depends upon system components and the amount of R134a used.
Source: rtsauto.com
Its also heavier than air so if it leaks itll settle in the engine bay rather than dissipating into the atmosphere. In the first early attemps to convert GM canaster type R12 systems to R134a something similar occured because the evaporators bleed down pressures on the R12 designed system were too low for R134a to function. Personally I would never mix refrigerants. All in all Im very happy with the results and see no reason why they wont last. The R12a cans use the same taps as the R134a cans and the supplied hose has R134a compatible fittings on both ends so R12a can be used to recharge R134a systems too.
Source: rtsauto.com
So the wonderful lovely amazing 2000 Craigslist Miata has Air Conditioning that does not work. Pound for pound R134a is a more efficient refrigerant than R12 however it runs at higher pressures in some aspects and therefore requires more effective condensing. I can notice a little difference but it doesnt bother me much I just need to run the fan a little more now. I guess you can but you cant mix it with the stuff in there now. Many classic car enthusiasts have stated that their original air conditioning systems once changed over and refilled with R134A do not blow as cold as they used to.
Source: hankjobenhavn.com
R12 does cool better but is not good for the environment R134a does not cool as well but is environmentally friendly. Pound for pound R134a is a more efficient refrigerant than R12 however it runs at higher pressures in some aspects and therefore requires more effective condensing. Furthermore because R134a still has high GWP it also. R-134a vs R12 Temp Pressure Chart by ACProf Thu Oct 08 2009 438 am Heres a comparison of R-134a to R-12 refrigerant vapor pressures at specific temperatures. The Duracool stuff I mentioned was what our local Walmart carried.
Source: ebay.com
Well worth the money if your AC system is still in good shape. R-134A has a slightly lower pressure at evaporator temperatures 30-40 degrees but R-134a also has a much higher pressure at condenser temperatures 120-150 degrees. Its mostly propane butane so highly flammable. I would have to change out the condenser as well as the oil I do not like pag oil as it just sucks up moisture. Heres a link to what I got.
Source: aa1car.com
R12 does cool better but is not good for the environment R134a does not cool as well but is environmentally friendly. Whether R134a performs as well as R12 in any given ac system depends upon system components and the amount of R134a used. The r12A I got isnt the same as the old style R12. Furthermore because R134a still has high GWP it also. I would add only 134a to your existing charge or recover and recharge with Redtek 12a.
Source: chryslerminivan.net
R12 does cool better but is not good for the environment R134a does not cool as well but is environmentally friendly. R134A or HFC-134A became the accepted standard because it has no potential of ozone depletion and has similar but not equal to cooling abilities to the R-12 and R-22 refrigerants. So the wonderful lovely amazing 2000 Craigslist Miata has Air Conditioning that does not work. Discuss different considerations when selecting a refrigerant. Furthermore because R134a still has high GWP it also.
Source: aa1car.com
If you dont have a vacuum pump you can still make it work though. Personally I would never mix refrigerants. R134a and R12 exhibit similar performance characteristics as refrigerants with R12 showing a slight advantage. Retrofitting a unit from R12 to R134a refrigerant requires you to adjust the charge accordingly. So the wonderful lovely amazing 2000 Craigslist Miata has Air Conditioning that does not work.
Source: frostycool.com
The only mechanical differences between an R12 system and an R134a system are that R134a systems typically have larger condensers and more powerful compressors. Retrofitting a unit from R12 to R134a refrigerant requires you to adjust the charge accordingly. How do you fix your AC you ask. Personally I would never mix refrigerants. Just adding R12a to a 134a system doesnt work very well because a 5050 mix is very inefficient.
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