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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 BSD 40

Working Pressure

 N/A 125 psi175 psi

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

 N/A 193 acfm

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

 N/A 161 acfm

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

 N/A 125 psi

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

 N/A 175 psi

Nominal Motor Output

 N/A 40 hp

Compressed Air Connection Thread Size

 N/A 1-1/2 in

Compressed Air Connection Thread Type

 N/A National Pipe Thread (NPT)

Sound Pressure Level

 N/A 72 dBA

Weight

 N/A 2072 lb

Ambient Temperature

 N/A Up to +115 ºF

Dimensions

Width

 N/A 63 in

Depth

 N/A 41 in

Height

 N/A 67 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
  • External bearing lubrication

Electrical Components

 N/A
  • Control cabinet to IP 54
  • Control transformer
  • Siemens frequency converter (SFC models)
  • Control cabinet ventilation
  • Automatic wye-delta starter
  • Overload relays

Sigma Control 2

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