2026-04-10Views：
Compressed air oil content standards vary by application and industry. The following are some common compressed air oil content standards:
chinese Pharmacopoeia and GMP standard: the oil content of compressed air is required to be less than or equal to 0.1 mg/m & sup3;. This standard is drawn from the provisions of the European Pharmacopoeia, which stipulates that the oil content of medical compressed air must be less than or equal to 0.1 mg/m & sup3;.
ISO8573 standard: This is the main indicator to measure whether compressed air is oil-free. According to this standard, the highest grade of oil-free compressed air, Class 0, requires an oil content of less than 0.01 mg/m & sup3;. In addition, for general compressed air, the standard also specifies different levels of oil content requirements.
Other application-specific standards: For example, diving breathing compressed air requires an oil content of <5 mg/m & sup3; in the United States and China, and <1 mg/m & sup3; in the United Kingdom;. In addition, the NFPA (National Fire Protection Association) clearly stipulates that oil-free compressors should be used, but it should be noted that oil-free compressors do not mean that there is no oil in the compressed air.
In order to ensure that the oil content of the compressed air meets the standard, some air compressor manufacturers will be equipped with high-efficiency oil and gas separators and air filters to further reduce the oil content in the compressed air. At the same time, regular maintenance and inspection is also an important measure to ensure the quality of compressed air.
Please note that the above information is for reference only, and the specific standards may vary according to different countries, regions and application areas. In practical application, the relevant standards and regulations should be consulted according to the specific situation.
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