Modified polyester is a suitable lubricant in a refrigeration system
with the refrigerant:
संशोधित पॉलिएस्टर रेफ्रिजरेंट के साथ प्रशीतन प्रणाली में एक उपयुक्त स्नेहक है:
R245fa
R134a
R12
R11
R134a
●Polyolesteroil(POE):
This refrigeration oil is the most common type of synthetic lubricant being
used with HFC refrigerants like R134a.
●R134ais an
HFC refrigerant, which requires polyester (POE)lubricant to be used in the
compressor.
Hence, the correct option is (B).
&Key Points:-
R134a is a
HFC, used in automotive air conditioning and as a replacement for R12 and R22
in medium and high temperature refrigeration applications, such as commercial
and domestic refrigeration and chillers.
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