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Selection Guide for Screw Air Compressor

Selection Guide for Screw Air Compressor

  • 2021-04-01

1. Selection of working pressure (exhaust pressure):

When the user is preparing to purchase an air compressor, first determine the working pressure required by the air end, plus 1-2

The margin of bar, and then select the pressure of the air compressor, (the margin is to consider the pressure loss from the installation location of the air compressor to the actual gas end pipeline distance, and the pressure should be appropriately considered between 1-2 bar according to the length of the distance margin). Of course, the size of the pipeline diameter and the number of turning points are also factors that affect the pressure loss. The larger the pipeline diameter and the fewer turning points, the smaller the pressure loss; on the contrary, the greater the pressure loss.

Therefore, when the distance between the air compressor and each gas end pipeline is too far, the diameter of the main pipeline should be appropriately enlarged. If the environmental conditions meet the installation requirements of the air compressor and the working conditions permit, it can be installed near the gas end.


2. Selection of capacity flow rate:

When selecting the capacity flow rate of an air compressor, you should first understand the capacity flow rate of all air-consuming equipment and count the total flow rate.

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