Rotary Screw - air compressor

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A rotary screw air compressor is a type of positive displacement machine that uses two intermeshing helical rotors to compress the incoming air, thereby raising its pressure and delivering it to the required application. The rotors, which are typically housed within an oil-lubricated casing, trap pockets of air between them as they turn, reducing its volume and increasing its pressure until it reaches the desired output level.