R404A Refrigerant

R404A, as a widely used medium to low temperature refrigerant today, is commonly used in cold storage, food freezing equipment, marine refrigeration equipment, industrial low-temperature refrigeration, commercial low-temperature refrigeration, transportation refrigeration equipment (refrigerated trucks, etc.), refrigeration condensing units, supermarket display cabinets and other refrigeration equipment. R404A refrigerant is the most commonly used industrial standard refrigerant to replace Freon R22 and R502 in newly installed refrigeration equipment (usually in low-temperature refrigeration systems). R404A is closest to the operation of R-502 and is suitable for all environments where R-502 can operate normally. R404A is recognized and used by the vast majority of refrigeration equipment manufacturers worldwide. However, due to the differences in physical and chemical properties, theoretical cycle performance, and compressor oil between R404A and R502 and R22, for the after-sales maintenance of refrigeration equipment initially installed with R502 and R22 refrigerants, if it is necessary to add or replace refrigerants, only R502 and R22 can be added, and R404A cannot be directly used to replace R502 and R22 (that is to say, blood replacement is usually not possible).

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