Waterproof fan DJF(c) series

coneexhaustventilation

Reasonable cone design, improve exhaust power. Large air volume, strong draft capacity, stable performance. Adopt aluminum alloy shutters which light and attractive. Added with Swung Drop Hammer opening system,flexible opening,reasonable open angle,lower wind resistence,higher ventilation efficiency, save much more energy compared with same like fans. Fan blade is made of Krupp stainless steel by punch forming. no dust, attractive and durable. Special blades shape design ensure large air volume, no deformation, no broken, keep air volume same all the way. Thickness 1.2mm, surface finish BA grade Fan belt pulley is made of high strength aluminum-magnesium alloy by die-casting which reduce the weight of blade impeller complete, high corrosion resistance. Special three reinforced ribs pulley design. Blast-sanding treatment for attractive appearance, eliminate internal stress to improve its own rigidity and stability, never broken. Fan bearing adopts imported double-row bearing with special waterproof design, water can’t enter. High strength, lower noise, maintenance free and long service life. Fan blades are adjusted by intelligent dynamic-balance tester, ensure the fan smooth running, lower vibration, less noise, increase stability. Hot-dip galvanized blade support and safe net ensure never rust. Complete new CNC production line improved fan quality up to top grade, aesthetic appearance.