2026-04-13Views：
The oil content standard of power plant compressed air is usually set according to international standard ISO8573 or relevant industry standards. These standards ensure the quality of compressed air to meet the needs of the normal operation of power plant equipment. The following is a detailed summary of the oil content standards for compressed air in power plants:
international Standard ISO8573:
according to ISO8573 standards, the oil content of compressed air is divided into different grades.
Level 1 requires an oil content of less than 0.01 mg/m & sup3; and a filtration efficiency of more than 99.9999%.
Level 2 requires an oil content of less than 0.1 mg/m & sup3; and a filtration efficiency of more than 99.999%.
Level 3 requires oil content less than 1 mg/m & sup3;, filtration efficiency needs to be greater than 99.99%.
power plant commonly used standard:
in power plants, commonly used compressed air quality standards usually require that the oil content does not exceed 1 mg/m & sup3;, which is equivalent to the ISO8573 standard level 3.
Some power plants may have stricter quality requirements for compressed air and choose to use a lower oil content grade, such as grade 2 or grade 1, to ensure safe and efficient operation of the equipment.
Other relevant standards:
in addition to ISO8573 standards, there may be other industry standards or national standards that stipulate the oil content of compressed air in power plants.
For example, the GB/T13277-91 standard specifies the quality level of compressed air, which also requires oil content.
In summary, the oil content standard of compressed air in power plants usually follows international standard ISO8573, and may be adjusted according to the specific needs and equipment requirements of the power plant. In practical applications, it should be ensured that the oil content of compressed air meets relevant standards to ensure the normal operation of power plant equipment and extend the service life.
To convert the oil content in the air from mass concentration unit (mg/m & sup3;) to volume concentration unit (ppm), it needs to be calculated by the following formula: ppm = gas molecular weight mg/m3 × 22.4 step analysis: parameter confirmation: oil mass concentration is 10mg/m3. Standard
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