The level of the pharmaceutical industry is one of the important factors affecting the health quality of people. With the rapid development of the pharmaceutical industry in my country, the quality of drugs has attracted great attention.

At present, the most widely used air compressor is the oil injection type. However, due to the adhesiveness of the air compressor oil, most oil filter equipment cannot completely remove the air compressor oil.

PSI and Mpa, Bar is the unit of measurement pressure, PSI (Pound per square inch) is defined as pounds per square inch, the full name of PSI in English. P is pounds, S is square, and I is inches. Converting all the units to metric units gives:

For air compressors, lubricating oil plays an irreplaceable role. The longer the lubricating oil is used, the deterioration and coking will occur, so it needs to be replaced regularly.