1) Product normalization is relatively easy, in a certain range of air volume, the diameter and shape of the rotor can be maintained unchanged and only need to lengthen and shorten the screw rotor to meet the needs of different air volume, this feature can reduce the manufacturing cost to help the market competitiveness.
2) Like reciprocating air compressor, it has the same characteristics as fixed displacement air compressor, and the exhaust pressure has a wide range of changes.
3) The screw air compressor body structure is not complex, and the performance of continuous use is also quite good. At the same time, compared with the reciprocating air compressor, it greatly reduces a lot of consumable parts and has the advantage of easy maintenance.
4) The noise degree of screw air compressor can be almost said to be the highest in all air compressors. The noise degree depends on the air volume, which is often more than 100dbA. Therefore, screw air compressor must be equipped with sound insulation cover, so it gives people a more beautiful and good impression.
5) Throttle control can be used.
6) the air tightness of the shaft seal of the oil injection screw air compressor is good, and the air tightness of the shaft seal of the centrifugal compressor for high speed can not reach 100%, so it is not suitable for any gas compression other than air or nitrogen.
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