1. Fan size: 710*710mm, Hole size: 730*730mm;
2. (Molded) glass fiber reinforced plastic shell and air duct, fiber reinforced composite fan blade; 304 stainless steel motor bracket thickness 3mm; 304 stainless steel sheet metal parts;
3. Direct drive;
4. American REGAL motor, 0.55kw, 380v (220v), three-phase (single-phase), 50hz;
5. Ventilation volume: (0pa: 11700m3/h, 25pa: 11100 m3/h)