Refrigerant R404 is a gas refrigerante for R22 refrigerant replacement, and a hydrofluorocarbon mixed of three refrigerants which are R-125(44%) , R134a(52%) and R143a(4%), most new supermarket and refrigeration equipment has been built for an HFC such as R404A refrigerant, R507a, or R407A where R-502 was previously used. Whilst it has become the widely accepted alternative to CFC R502.
And 404a refrigerant it is widely useful for a variety of medium and low temperature refrigeration applications or commercial refrigeration, such as ice machines, supermarket freezers/refrigerators, refrigerated trucks, a/c Air Conditioner, food display, storage cases, and cold storage rooms.
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