1. Fan size: 560*560mm, Hole size: 580*580mm;
2. (molded) glass fiber reinforced plastic shell and air duct, fiber reinforced composite fan blades; 304 stainless steel motor bracket thickness 2mm, 304 stainless steel sheet metal parts;
3. Direct drive;
4. American REGAL motor, 0.25kw, 380v (220v), three-phase (single-phase), 50hz;
5. Ventilation volume: (0pa: 6600m3/h)