ZAKF permanent magnet variable frequency screw air compressor | 20HP / 30HP industrial energy-saving pioneer All permanent magnet frequency conversion machine, energy saving 30 % + ! VSD intelligent pressure regulation realizes zero differential pressure constant pressure gas supply, and 10-30 HP flexibly adapts to the production line. The integrated design of the whole machine saves 40 % of the land, IP54 protection responds to harsh environments, and 24-hour heavy-duty operation ensures uninterrupted power in the manufacturing industry.