ZAKF two-stage screw air compressor | 120-300HP heavy industry power core Designed for large manufacturing ! Two-stage compression achieves ultra-high energy efficiency ratio, 300HP model saves energy by 15 % +, and 0.8-1.3 MPa wide pressure range covers the entire injection / metallurgical scene. The anti-fatigue life of heavy-duty casting fuselage exceeds 100,000 hours. The intelligent joint control system supports multi-unit parallel connection, and IP55 protection has no fear of high temperature and high humidity environment.