What are the common parameters and terms of air compressor?

What are the common parameters and terms of air compressor?

1. Pressure:

Generally, the exhaust pressure given on the nameplate of the air compressor is the gauge pressure, not the absolute pressure.

2. Common pressure unit:

Pa, MPa, "kg" in the air compressor industry means "bar", that is, 1 kgf means 1 bar, 1 MPa (MPa)=1000 kPa (kPa), 1 bar=0.1MPa.

3. Volume flow:

In China, it is also known as displacement or nameplate flow, and the amount of gas discharged by the air compressor per unit time is converted into the intake state, that is, the intake volume. According to the industry standard, the actual displacement of the air compressor is ± 5% of the nominal flow, which is acceptable.

4. Common unit:

KW、mm、M3 / min、L / s、V、RPM。

5. Air oil content:

The amount of oil contained in unit volume of compressed air (including oil droplets, suspended particles, and oil vapor), usually called PPM, is the weight ratio unit: PPM, and millionth of a kilogram is milligram.

6. Pressure dew point:

This means that the gas with a certain pressure is cooled to a certain temperature, and the unsaturated water vapor contained therein becomes saturated steam, and the temperature is the pressure dew point of the gas. The atmospheric pressure dew point is the temperature at which the gas is cooled to saturated water vapor under standard atmospheric pressure. In the air compressor industry, the dew point indicates the drying degree of the gas.

7. Specific power:

It refers to the power consumed by the air compressor per unit volume of flow. It is an important indicator to evaluate the energy efficiency of the air compressor. The specific power unit of the air compressor is KW/m3.

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