Kaeser Compressors has expanded its proven Sigma Frequency Control (SFC) compressors line! Standard SFC compressor packages are now available from 15 to 335 hp (11 to 250 kW). These outstanding units provide flows from 17 to 1568 cfm in pressures from 80-217 psig. Kaeser’s variable speed drive, rotary screw compressors are specifically designed to achieve maximum efficiency over a wide flow range. Our advanced drive control technology offers precise pressure control to +/- 2 psig with superior operation from 100% down to 20% load. SFC compressor packages include proprietary Sigma Profile airend, super soundproofed enclosure, EPAct compliant TEFC motors and our proprietary Sigma Control or Sigma Control Basic system. All models are available with optional, integral refrigerated dryers. Find out about Kaeser’s wide range of SFC units and how their unmatched performance can save you money! | 
