
The Oil Used To Lubricate The Moving Parts In The Refrigeration Compressor Is Called Freezing Oil, Also Known As Lubricating Oil.
According to the standards of the Ministry of Petroleum Chemical Industry, China’s production of frozen oil has No. 13, 18, 25, 30 and enterprise standard No. 40 five grades of frozen oil. Among them, the commonly used refrigeration compressor lubricating oil is No. 13, No. 18 and No. 25. R12 compressor is generally selected 18, R22 compressor is generally selected 25.
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