Centrifugal industrial venilation exhuast fan with CE certification

DJF series Centrifugal Shutter System Exhaust Fan (Auto push-pull type exhaust fan. )
Centrifugal shutter system:
Adopt shutter system which open and close automatically when the fan works.
Centrifugal shutter system and other fitting of shutter made of Nylon, high quality engineering plastics, **0% raw material, high strength, and long service life.
The inner steel fitting install in the flange, increasing the security, avoid the stretching change when Nylon system operates.
Blade:
Adopt the injection molded Stainless steel blade, no broken, no distortion, aesthetic and durable.
Balance:
Balance running machinery checked the entire fan blade's balance; Ensure operating steady, low noise, long service life.
Handle:
Adopt the handle as new inset design from our engineer, easy for carry, transport and installation. Also has no affect on the appearance.
V-belt pulley:
It made of high quantity aluminum-magnesium alloy, light weight, high strength.
V-belt
We could supply V-belt as the type A or type B, upon the varieties demand of different customers.
Motor:
The high efficient and energy-saving motor passed the national CCC certification. Also protection class: IP*5, insulation class: F grade.