The ABS Turbocompressor HST 20 is a new generation of world class high-efficiency turbocompressor from Sulzer Pumps that sets the standard for direct drive high speed turbocompressors. It has a built-in inlet and outlet air silencers (less than 70 dBA). It features impressive wire to air efficiency (advanced permanent magnet motors and digitally controlled magnetic bearings), an intuitive human-machine interface (HMI), advanced magnetic bearings and bearing control coupled with a self-diagnostic control system which optimizes performance and overall lower operating cost.