Variable Frequency Drive Rotary Screw Compressors


Kaeser Compressors, Inc. announces their new generation of 37 and 45 kW variable frequency drive rotary screw compressors. With pressures up to 217 psig, these new SFC 37 and 45S models deliver the "built-for-a-lifetime" reliability, simple maintenance, and sustainable energy savings you expect from the Kaeser name. The SFC 37 has a flow range of 54 - 240 cfm at 125 psig, while the SFC 45S has a flow range of 60 - 273 cfm at 125 psig. ]

Both models feature the latest in Siemens drive technology. Kaeser has further enhanced the SFC series' energy efficiency through a combination of true direct drive design, premium efficiency motors, lower internal pressure differential, and optimized airends. Specific power is improved by up to 6%. In addition, built-in heat recovery options bring the energy savings potential to the next level. New features include an enhanced cooling design, eco-friendly filter element, integral moisture separator with drain, and an Electronic Thermal Management system. 

These compressors also come standard with Sigma Control 2. This intelligent controller offers unsurpassed compressor control and monitoring with enhanced communications capabilities for seamless integration into plant control/monitoring systems. SFC models are also available with an integrated dryer for premium compressed air quality


  • pressures up to 217 psig
  • Siemens drive technology
  • intelligent controller
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