Direct Drive up to 500 kW

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