Vertical Reversible;Exhaust Air;Dia.1250-2800mm;Air Flow:35,000-750,000m3/h;Air Pressure:300-2,000Pa Axial Fan, Fan, Ventilator, Ventilation ... , Ventilating Fan, Ventilation, Ventilator Fan, Ventilation, Ventilator Fan, Air MoverApplication: for loop control system of the large engineering in ... numbers of blades (10pcs, 12pcs, 14pcs, 16pcs) 2) Air volume range: 35,000 - 750,000m³/h 3 ...