Two-stage PM VSD screw air compressors of the DDM series include the following models: DDM-30, DDM-40, DDM-50, DDM-60, DDM-75, DDM-100, DDM-125, DDM-150, DDM-175, DDM-220, DDM-250, DDM-275, DDM-300, DDM-350, DDM-375, DDM-420, DDM-475, DDM-275W, DDM-350W, DDM-375W, DDM-420W, DDM-475W. Features: ✅ Air supply range from 2.6 to 73.73 m3/min. ✅ Power from 22 to 355 kW. ✅ Working pressure from 0.7 to 1.3 MPa. ✅ Two-stage compressor unit, single-stage energy saving, low vibration and noise. ✅ Energy saving of two-stage compression reaches about 15% compared to single-stage. ✅ PM motor with IP65 protection degree with increased efficiency, which can be adapted to adverse and dusty working conditions. ✅ Touch LED controller, intelligent control, high-performance motor protection level IP65.
