ZAKF constant speed screw air compressor | 20HP / 10HP economical choice Fully integrated integrated design, factory is used to save installation ! Fixed speed stable output, IP54 protection fuselage without fear of dust and oil pollution, 10-20 HP flexible adaptation of small workshop. Compared with the frequency converter, it saves 40 % of the initial investment, lower maintenance costs, and provides reliable power for spraying / pneumatic tools for 24 hours.