Kaeser Compressors’ Sigma Frequency Control (SFC) standard compressor packages are available from 10 to 450 hp (8 to 315 kW). These units provide flows from 17 to 2232 cfm in pressures to 217 psig.
Kaeser’s variable speed drive, rotary screw compressors are specifically designed to achieve maximum efficiency over a wide flow range. The drive control technology offers precise pressure control to +/- 2 psig with superior operation from 100% down to as low as 20% load.
SFC compressor packages include proprietary Sigma Profile airend, super soundproofed enclosure, EPAct compliant TEFC motors and Kaeser’s proprietary Sigma Control or Sigma Control Basic system. All models up to 150 hp (110 kW) are offered with optional, integral refrigerated dryers.
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