Fan blade is made of Krupp stainless steel by punch forming, no dust, attractive and durable. Special blades shapedesign ensure large air volume, no deformation, no broken, keep air volume same all the way.

Both Chinese famous motor and Siemens motor are available.Motor voltage and frequency could be customized.Chinese famous motor, special design for fan, the first one put forward the phase lack protection device which could poweroff when shortage of electricity. Motor protection grade IP55, insulation Class: Grade F

Fan belt pulley is made of high strength aluminum-magnesium alloy by die-casting which reduces the weight of bladeimpeller complete, high corrosion resistance.Special three reinforced ribs pulley design. Blast-sanding treatment forattractive appearance, eliminate internal stress to improve its own rigidity and stability, never broken.

Using high strenght nylon swung drop hammer opening device to ensure the shutters opening and closing flexible.

Use abroad belts, making sure long service life, free to maintain.