Rotary Screw Air Compressors with Direct Drive up to 500 kW (667 hp)

In compressed air packages featuring 1:1 drive the motor drives the airend directly without transmission loss via a maintenance free coupling. Direct drive rotary screw compressors provide outstanding performance and enable significant savings. KAESER’s comprehensive range of specially designed airends are manufactured and developed to meet every compressed air user’s needs.

Rotary Screw Air Compressors DSD Series: DSD 142 / DSD 172 / DSD 202 / DSD 238
Model Working pressurebar FAD *) Complete package at working pressurem³/min Max. working pressurebar Rated motor powerkW
DSD 142 7.5 13.62 9 75
DSD 172 7.5 16.12 8.5 90
10 13.2 12 90
DSD 202 7.5 20.46 8.5 110
10 15.52 12 110
13 12.68 15 110
DSD 238 7.5 23.8 8.5 132
10 19.92 12 132
13 14.8 15 132

T – Version with integrated refrigeration dryer: DSD 142 T / DSD 172 T / DSD 202 T / DSD 238 T
SFC – Version with variable speed drive: DSD 142 SFC / DSD 172 SFC / DSD 202 SFC / DSD 238 SFC

Rotary Screw Air Compressors DSDX Series: DSDX 243 / DSDX 302
Model Working pressurebar FAD *) Complete package at working pressurem³/min Max. working pressurebar Rated motor powerkW
DSDX 243 7.5 24.1 8.5 132
10 20.12 12 132
13 14.9 15 132
DSDX 302 7.5 30.2 8.5 160
10 23.5 12 160
13 19.52 15 160

SFC – Version with variable speed drive: DSDX 243 SFC / DSDX 302 SFC

Rotary Screw Air Compressors ESD Series: ESD 352 / ESD 442

Model Working pressurebar FAD *) Complete package at working pressurem³/min Max. working pressurebar Rated motor powerkW
ESD 352 7.5 36.2 8.5 200
10 29.72 12 200
13 23.1 15 200
ESD 442 7.5 42.2 8.5 250
10 35.4 12 250
13 28.92 15 250

SFC – Version with variable speed drive: ESD 352 SFC / ESD 442 SFC

Rotary Screw Air Compressors FSD Series: FSD 471 / FSD 571
Model Working pressurebar FAD *) Complete package at working pressurem³/min Max. working pressurebar Rated motor powerkW
FSD 471 7.5 47.1 8 250
10 40.5 10 250
12 35.5 12 250
FSD 571 7.5 57.2 8 315
10 46.4 12 315
13 39.45 15 315

SFC – Version with variable speed drive: FSD 471 SFC / FSD 571 SFC

Rotary Screw Air Compressors HSD Series: HSD 651 / HSD 711 / HSD 761 / HSD 831

Model Working pressurebar FAD *) Complete package at working pressurem³/min Max. working pressurebar Rated motor powerkW
HSD 651 7.5 66.1 8.5 360
10 53.4 12 360
13 43 15 360
HSD 711 7.5 71.8 8.5 400
10 59.4 12 400
13 46.2 15 400
HSD 761 7.5 77.6 8.5 450
10 65.1 12 450
13 52.3 15 450
HSD 831 7.5 83.4 8.5 500
10 70.8 12 500
13 58.4 15 500

SFC – Version with variable speed drive: HSD 651 SFC / HSD 711 SFC / HSD 761 SFC / HSD 831 SFC