... , Ventilator, Ventilation, Ventilating Fan, Ventilation, Mine Anti-explosive Axial Flow Fans Axial fan, Axial Flow Fan, Fan, Ventilator, Ventilation, Ventilating Fan ... Q235 Air Volume: 600-370 m3/min Rated Power: 2*30KW Rated speed: 2950 r/min Rated operational voltage: 380/660VRated operational current ...