What is the oil content of an oil-free compressor?

The "oil-free" of an oil-free compressor means that no lubricating oil is used for lubrication during the compression process, thereby ensuring that the compressed air produced is low in oil. However, in practical applications, the compressed air produced by oil-free compressors may contain a small amount of oil impurities due to factors such as trace oil vapor in the environment, slight wear of internal parts of the compressor, and possible early pollution.

Regarding the oil content in the compressed air produced by the oil-free compressor, according to the ISO 8573-1 standard, the Class 0 level of oil-free compressed air requires an oil content of less than 0.01 mg/m & sup3;. However, more stringent standards may exist for different application areas. For example, in the food, pharmaceutical and other industries, the requirements for air quality are extremely high, so high-quality oil-free compressors are usually selected, and high-efficiency filtration systems are equipped to further reduce the oil content and other impurities in the compressed air. Ensure the purity and safety of the production process.

In general, oil-free compressors should have a very low oil content and comply with relevant air quality standards. When choosing an oil-free compressor, it is recommended to select the appropriate model and brand according to the specific application needs and air quality standards.