Is the diagram below a two-stage screw compressor? Is one screw a stage?

2018-10-23View Original

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Is the diagram below a two-stage screw compressor? Is one screw a stage?

Reply #22018-10-24

It should be a pair of screws at the first stage; I haven’t encountered single-screw two-stage compression so far. And it’s obvious from the picture that there are two sets of screws.

Reply #32018-10-24

A pair of screws constitutes a first-stage compressor; a single screw does not constitute a first-stage one. A pair forms a rotary compressor. A screw cannot compress air.

Reply #42018-11-09

A triple-screw machine is not one screw per stage

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