Kaeser Compressors' CSG-2, DSG-2, and FSG-2 oil-free rotary screw compressors cover flows from 192 to 1774 cfm, pressures from 45 to 145 psig, and are available in horsepowers from 50 to 450 hp. Available air-cooled or water-cooled, these new two-stage oil-free air compressors have been designed with energy efficiency, easy maintenance, and long term reliability in mind. Models are up to 9% more efficient than the competition. Units 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 and IIoT.