... Fan, Fan, Ventilator, Ventilation, Ventilating Fan, Ventilation, Ventilator Fan, Ventilation, Ventilator Fan, Air MoverApplication: for loop control system of the large engineering in subway, tunnel, mineral, and ... power station Specification: 1) DTF(R) series axial fan ... 2,500mm, 2,600mm, 2,800mm) and 24 models with different numbers of blades ( ...