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Screw compressors with superior efficiency

Kaeser's direct drive rotary screw compressors range from 25 hp - 650 hp and deliver outstanding performance. Kaeser uses oversized airends specifically selected to produce the required output in flow and pressure. Compared to compressors using small, high speed, gear-driven airends, the one-to-one drive provides significant savings. With Kaeser's one-to-one drive, the airend is directly connected to the motor via a maintenance-free coupling that eliminates transmission losses.
HSD Series Rotary Screw Air Compressors
Unit of Measure
1 

Item #

Item Name

Working Pressure

Nominal Motor Output

Width

1230 N/A HSD 500 Model 500 Horsepower (hp) Nominal Motor Output Standard Version Rotary Screw Air Compressor N/A 110 psi175 psi N/A 500 hp N/A 141 in
1231 N/A HSD 550 Model 500 Horsepower (hp) Nominal Motor Output Standard Version Rotary Screw Air Compressor N/A 110 psi175 psi217 psi N/A 500 hp N/A 141 in
1232 N/A HSD 600 Model 550 Horsepower (hp) Nominal Motor Output Standard Version Rotary Screw Air Compressor N/A 110 psi175 psi217 psi N/A 550 hp N/A 141 in
1233 N/A HSD 650 Model 600 Horsepower (hp) Nominal Motor Output Standard Version Rotary Screw Air Compressor N/A 110 psi175 psi217 psi N/A 600 hp N/A 141 in
Unit of Measure
1