Sigma Frequency Control compressors.


Kaeser Compressors, Inc. has expanded its line of Sigma Frequency Control compressors. The new price-competitive SFC 18S rotary screw compressor combines our proprietary Sigma Profile airend, Sigma Control Basic system and state-of-the-art drive technology to offer 21 to 114 scfm in pressures to 217 psig. The SFC 18S features a space-saving cabinet and split-cooling air flow design for easier ducting and extremely low noise levels. Wide-opening access doors allow frontal access to all major components and significantly reduce access clearance and footprint. The SFC 18S is also available with tank mounting, and many SFC models are available with optional, integral refrigerated dryers. Kaeser’s variable speed drive, rotary screw compressors are specifically designed to achieve maximum efficiency over a wide flow range. Our advanced drive technology offers precise pressure control to +/- 2 psig with superior operation from 100% down to approximately 28% load.
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