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Differences between R12 and R134a


One of the differences between R-134a and R-12 is the boiling points. Pure R-12 will boil at -22 degrees Fahrenheit while R-134a boils at -16 degrees ...

R12 vs R134A [Archive] - Refrigeration-Engineer.com forums


One of the differences between auto air conditioners that have been redesigned from R12 to R134a is that the condensers have gone from ...

R134a vs R12 refrigerant - Griffiths


R134a vs R12 refrigerant in the Porsche. R134a is a approved alternative refrigerant to replace R12 refrigerant in the Porsche.

www.ask.com/youtube?q=Difference between R12 and R134a&v=aJeFdEIjnU4
Feb 26, 2014 ... 410A,R22,422D,mo99,438A what is the difference - Duration: 13:09. Expert Express plumbing heating and air conditioning 40,653 views. 13:09.

A Comparison Study of the Thermal Performance of R12 and R134a


A Comparison Study of ~he Thermal Performance of R12 and Rl34a. S.W. Cro~n ..... The greatest differences between the two refrigerants were observed.

www.ask.com/youtube?q=Difference between R12 and R134a&v=__alchrw7CE
Jul 6, 2012 ... The A/C system in many older vehicles needs to be converted from R12 refrigerant to R134a refrigerant. This video shows you how to convert ...



R134a is not a "drop-in" replacement for R12. There are significant differences between R12 and R134a, which must be considered when handling, processing,  ...

Charge as follows: R134A = 1.8 lbs R12= 2.0 lbs No additional oil is ...

www.vintageair.com/DownloadsSection/Documents/Troubleshooting Guide.pdf

SYSTEMS. A. R134A TYPE. 1. HIGH-SIDE ... Charge as follows: R134A = 1.8 lbs R12= 2.0 lbs .... A high-side restriction ( between the compressor and the drier ...

Automotive air conditioning and R12 updates (R134a and more)


The home mechanic, looking at a can or two of R12 or R134a, may think that government concern over refrigerant is overblown. However, CFCs like R12 have  ...

Service Issues - Auto AC Tech


Because R134a is not compatible with mineral-based compressor oil, ... PAG oil is not compatible with R12 and must not be used in older R12 systems. ... The bottom chart depicts the vast differences in the wear characteristics between ...