Description Overview Two Kaeser air compressors and one Kaeser dryer Compressor A Kaeser air compressor, model DSD 125 Sigma Compressor B Kaeser air compressor, model DSD 100 CE Sigma Dryer Specifications Kaeser dryer, type 121 Year: 2000 Refrigerant: R1348 Charge: 5,300 lbs Working pressure high pressure: 260 psig Rated voltage: 460 V Frequency: 60 Hz Rated current: 4.1 A Ambient temperature: min. 40 f / max. 110 f