Refrigeration oil No. 46 and No. 68, specifically designed for refrigeration compressors, support inspection

Description :

　　Refrigeration oil No. 46 and No. 68, specifically designed for refrigeration compressors, support inspection

　　The difference in structure and working principle of refrigerators, similar to air compressors, can also be divided into several different forms such as piston type, screw type, centrifugal type, etc. The freezer is one of the most important components of compression refrigeration equipment.

　　The working medium of a refrigerator is the refrigerant responsible for transferring heat in the refrigeration system. Commonly used refrigerants include Freon, ammonia, lithium bromide, chloromethane, etc. Among them, Freon has different gasification temperatures and chemical formulas, such as Fluorine 11 (R-11), Fluorine 12 (R-12), Fluorine 13 (R-13), Fluorine 21 (R-21), Fluorine 22 (R-22), Fluorine 113 (R-113), Fluorine 114 (R-114), Fluorine 142 (R-142), etc. The above refrigerants can be used in low-pressure (condensation pressure less than 0.3-0.3MPa), high-temperature (evaporation temperature greater than 0 ℃), medium pressure (condensation pressure 1-2MPa), medium temperature (evaporation temperature 0-50 ℃), and high-pressure (condensation pressure greater than 2MPa), low-temperature (evaporation temperature less than -50 ℃) refrigeration systems.

　　Components of refrigeration oil

　　Refrigeration engine oil should have a good low pour point, good compatibility with refrigerants, and thermal and oxidative stability. The dosage is mineral oil type, generally using a cyclic base oil, which has the characteristics of low pour point, no wax, and good low-temperature fluidity

　　Some models of refrigeration oil require the use of synthetic hydrocarbon oil as the base oil

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