Oil-free piston compressor, Gas-tight design with magnetic coupling, TIG-compressor block leak rate < 0.0001 mbar l/s, water-cooled, Motor powers from 37 to 110 kW, Rotary speed range 450 to 900 RPM, Intake pressure max. 16 bar, Final discharge pressure max. 100 bar, Modular cylinder configuration with cylinder diameter from 30 bis 260 mm, Version with 4 cylinders simple and double acting, 1-, 2-, 3- or 4-stages compression, Maximum flow rate at atmospheric intake pressure ca. 1'200 m3/h, Booster-variant flow rate max. ca. 1000 m3/h and by the high pressure variant max. ca. 200 m3/h, Booster version, Version for explosion-protected plant (conforming with ATEX zone 1 or zone 2), Very robust and long-lasting construction, Compact and foundation-free installation.