R-152a (difluoroethane) is a pure HFC refrigerant classified as A2 for safety. It is characterized by its versatility in medium- and high-temperature applications and by its high enthalpy change, which provides excellent cooling capacity. It can be used as a lower-GWP alternative to R-134a, provided that the requirements of refrigeration safety regulations applicable to A2 refrigerants are observed.
Components
1,1 – Difluoroethane
ASHRAE Name
R-152a
ODP
0
GWP
124
Safety Group
A1
Compatible Lubricants
POE
Temperature Range:
High and Medium.
Alternatives to:
R-12 in New Equipment.
Type of Alternative:
Replacement (New Equipment).
Applications
R-152a combines high cooling performance with a significantly lower global warming potential than many conventional refrigerants used in similar applications. Its large enthalpy change promotes efficient energy transfer, enabling strong performance with relatively low refrigerant charges. These characteristics make it an attractive option for projects focused on improving sustainability and energy efficiency. It can be used in both new installations and selected retrofit projects, provided that all safety requirements associated with its A2 classification and applicable regulations are respected.
Frequently Asked Questions
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