R449A refrigerant belongs to HFO refrigerant and is mainly used to replace R22, R404a/R507 and R407 series refrigerants in volumetric, direct expansion, medium temperature commercial and industrial refrigeration systems. With zero ozone depletion potential and low global warming potential, R449A is suitable for new equipment installations and retrofitting of existing equipment to improve energy efficiency and environmental characteristics.

R449A refrigerant composition:

Molar percentage: R32 accounted for 40.7365%, R125 accounted for 17.7921%, R1234yf accounted for 19.38481%, R134a accounted for 21.9673%

Percentage of mass: R32 accounted for 24.3%, R125 accounted for 24.7%, R134a accounted for 25.7%, and R1234yf accounted for 25.3%.

R449A application range:

Supermarkets: parallel units, decentralized systems, small refrigerators, freezer boxes, preparation rooms, etc.

Food industry: condensing units, etc.

Cold chain storage

Independent built-in system

New equipment installation, existing system transformation