Refrigerant R134A Characteristics: Notes

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The vapor pressure curves of R134a and other refrigerants are sometimes very similar, therefore it is not possible to make a certain distinction solely by pressure.

With R134a, the A/C compressor is lubricated with special synthetic refrigerant oils, for example, PAG oils (polyalkylene glycol oils).

Trade Names and Designations

Refrigerant R134a is currently available under the following trade names:

H-FKW 134a
SUVA 134a
KLEA 134a

NOTE:

Different trade names may be used in other countries.

Of the wide range of refrigerants available, this is the only one which may be used for vehicles. The designations Frigen and Freon are trade names. They also apply to refrigerants which may not be used in automotive vehicles.