Standard for oil content in compressed air

The oil content standard in compressed air is an important indicator to measure air quality, especially in industrial environments. This standard is essential to ensure the smooth progress of the production process and the stability and reliability of product quality. The following is a detailed description of the oil content standard in compressed air:

1. general standard

in most industrial applications, the oil content in compressed air needs to be controlled within a certain range. Generally speaking, the liquid oil content in compressed air must not exceed the specified upper limit, usually 5 mg/m & sup3;, to ensure the purity and applicability of the air. At the same time, the oil vapor content is also limited, generally not more than 0.5 mg/m & sup3;.

2. micro-oil and oil-free air compressor standard

for micro-oil air compressor, the oil content in the outlet air is more stringent. Generally, the oil content of this type of air compressor should not be higher than 0.01 mg/m & sup3; to meet the application scenarios with higher requirements for air quality. The oil-free air compressor theoretically requires zero oil content, but in practical applications, some high-quality oil-free air compressors can control the oil content at a very low level, such as below 5ppm.

3. international standards and industry standards

the ISO 8573 standard is an internationally recognized compressed air quality standard, which classifies oil content in detail. For example, CLASS 0 (oil-free) requires an oil content of less than 0.01 mg/m & sup3;, which is one of the most stringent levels. CLASS 1, CLASS 2 and CLASS 3 correspond to different oil content limits to meet the needs of different industries and applications.

In addition, some specific industries may also develop their own compressed air oil content standards. For example, the food, pharmaceutical, and electronics industries have extremely high air quality requirements, so standards in these industries are often more stringent than common standards.

4. summary

the oil content standard in compressed air is an important parameter to ensure air quality and use effect. Different types of air compressors and application scenarios in different industries have different requirements for oil content. Therefore, when selecting and using air compressors, it is necessary to select the appropriate oil content standard according to actual needs and application scenarios, and ensure that the air compressor can meet this standard to ensure the smooth progress of the production process and product quality. Stable and reliable.