2026-04-15Views：
General air compressor oil content standards vary by type and application scenarios:
ordinary air compressor: The national standard stipulates that the liquid oil content in compressed air shall not exceed 5 mg/m & sup3;, and the oil vapor content shall not exceed 0.5 mg/m & sup3;. The purpose of this standard is to ensure the basic quality of compressed air and to avoid oil contamination of equipment or products.
Micro-oil air compressor: The oil content in the outlet air shall not be higher than 0.01 mg/m & sup3;. This type of equipment is suitable for scenarios that require high oil control, but still allow trace amounts of oil.
Oil-free air compressor according to the ISO 8573-1 industry standard, the oil content of compressed air must be less than 0.01 mg/m & sup3;(I. e. CLASS 0 level), can be identified as oil-free compressed air. Granklin water lubricated single screw air compressor through the water film instead of lubricating oil, to achieve zero oil pollution in the compression process, fully meet this stringent standard.
Oil-injected screw air compressor: Generally, the oil content of compressed air is not more than 3ppm (that is, the oil content per cubic meter is not more than 3mg). If the oil content exceeds this value, it is regarded as "high fuel consumption" or "flying oil", which needs to be solved by maintenance or replacement of oil and gas separator and other components.
Oil content differences in industry applications:
Advantages of Grantklin Water Lubricated Single Screw Air Compressor:
To obtain oil-free compressed air, the following methods and technologies can be used: 1. Definition and principle of using oil-free air compressor: oil-free air compressor does not use lubricating oil during compression, thereby avoiding lubricating oil entering Compressed air, directly output low oil or connected
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The drainage of the water-lubricated air compressor belongs to the production wastewater, but because it uses water as the medium and does not introduce oil pollution, it is much more friendly than the oil-lubricated air compressor in the wastewater treatment process and the treatment cost is lower.
The oil content of compressed air is usually expressed in ppm (parts per million) and milligrams per cubic meter (mg/m & sup3;), both of which are used to measure the degree of oil pollution in the air. ppm is a unit of volume concentration, which refers to the ratio of oil volume to total air volume per million;
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