Rotary Screw Air Compressors
Rotary screw technology uses a displacement principle where the screw compression element main parts comprise male and female rotors that move towards each other while the volume between them and the housing decreases.
The pressure ratio of a screw is dependent on the length and profile of the screw and of the form of the discharge port. The screw element is not equipped with any valves and there are no mechanical forces to create any imbalance. It can therefore work at high shaft speed and combine a large flow rate with small exterior dimensions.
Lubricated rotary screw 60 Hz compressor packages range from 5 to 500 hp. Lubricated rotary screw 50 Hz compressors range from 2.2 – 500 kW, are designed to meet the highest requirements which the modern work environment and machine operators place on them. As a result, the Gardner Denver compressors are extremely energy efficient, quiet and reliable. Choose from a wide variety of rotary air compressors to fit all your needs from part load to full load applications, low purchase price to the greatest in energy efficiency, direct or belt driven to direct connected. These compressors continue to further strengthen Gardner Denver’s success story – variable and fixed speed compressor technologies available.
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