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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.
Unit of Measure

Specifications

Brands

N/A Kaeser Compressors

Model

N/A ASD 40S

Working Pressure

N/A 125 psi145 psi175 psi217 psi

Complete System Flow Rate at 125 Pound Per Square Inch (psi) Working Pressure

N/A 162 acfm

Complete System Flow Rate at 145 Pound Per Square Inch (psi) Working Pressure

N/A 130 acfm

Complete System Flow Rate at 175 Pound Per Square Inch (psi) Working Pressure

N/A 127 acfm

Complete System Flow Rate at 217 Pound Per Square Inch (psi) Working Pressure

N/A 106 acfm

Maximum Positive Pressure at 125 Pound Per Square Inch (psi) Working Pressure

N/A 125 psi

Maximum Positive Pressure at 145 Pound Per Square Inch (psi) Working Pressure

N/A 175 psi

Maximum Positive Pressure at 175 Pound Per Square Inch (psi) Working Pressure

N/A 175 psi

Maximum Positive Pressure at 217 Pound Per Square Inch (psi) Working Pressure

N/A 217 psi

Nominal Motor Output

N/A 40 hp

Compressed Air Connection Thread Size

N/A 1-1/4 in

Compressed Air Connection Thread Type

N/A National Pipe Thread (NPT)

Sound Pressure Level

N/A 67 dBA

Weight

N/A 1574 lb

Ambient Temperature

N/A Up to +115 ºF

Dimensions

Width

N/A 58 in

Depth

N/A 35 in

Height

N/A 60 in

Additional Information

Additional Information

N/A Our fluid-injected rotary screw compressors are the perfect choice for industrial compressed air applications. Not sure which model you need? We're happy to help you determine the right solution.

Advantages

Advantages

N/A
  • Exceptional efficiency - IE3 and IE4 motors with premium efficiency performance provide additional energy savings.
  • Longer service life - Electronic thermal management dynamically controls the fluid temperature of our ASD - HSD series for increased energy efficiency. The ETM prevents internal condensation build up, eliminating a common cause of lubricant degradation.

Low Life Cycle Costs

Low Life Cycle Costs

N/A Our comprehensive approach to life cycle cost management: Superior efficiency, easy operation, service-friendliness, and a global service and consulting network with fast response times.

Equipment

Complete Unit

N/A
  • Ready-to-run
  • Fully automatic
  • Super soundproofing
  • Vibration dampening
  • Powder-coated panels
  • Easy access to all service points

Airend

N/A
  • Single stage with cooling fluid injection for optimal rotor cooling
  • Genuine KAESER screw compressor airend with energy-saving SIGMA Profile
  • 1:1 drive

Drive

N/A
  • Directly coupled without gears
  • High-flex, maintenance-free coupling

Cooling Fluid and Air Circuit

N/A
  • Dry air filter
  • Pneumatic inlet and venting valves
  • Cooling fluid separator tank with three-stage separator system
  • Safety relief valve
  • Minimum pressure/check valve
  • ETM Electronic Thermal Management and eco flu

Heat Recovery (HR) (Option)

N/A
  • Optionally available with integrated fluid/water plate-type heat exchanger and additional fluid thermostatic valve
  • External connections

Electric Motor

N/A
  • IE4 super premium efficiency motor
  • IP 55
  • Totally enclosed fan-cooled motor (TEFC)
  • Class F insulation for greater power reserve
  • Pt100 winding temperature transducer for motor monitoring
  • Regreasable bearings

Electrical Components

N/A
  • Control cabinet to IP 54
  • Control transformer
  • Siemens frequency converter with synchronous reluctance motor with IES2 provides improved efficiency to the entire drive (SFC models)
  • Control cabinet ventilation
  • Automatic wye-delta starter
  • Overload relays

Sigma Control 2

N/A
  • Traffic-light LEDs for at-a-glance operational status
  • Easy-to-read display
  • 30 selectable languages
  • Soft-touch keys with icons
  • Fully automatic monitoring and control
  • Dual, Quadro, Vario, Dynamic, and Continuous control modes included as standard
  • Interfaces: Ethernet
  • Additional optional communication modules for: Profibus DP, Modbus, Profinet, DeviceNet, and EtherNet/IP
  • SD card slot for data logging and updates
  • RFID reader
  • Web server