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DJF type push-pull exhaust fan (Centrifugal Shutter exhaust fan)


Click an image to enlarge
Adopt the special centrifugal shufter 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, 100%
  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.
Adopt the molded stainless steel blade, no broken, no distortion, aesthetic and durable.
Balance running machinery checked the entire fan blade’s balance; ensure operating steady, low noise,
  long service life.
Adopt the handle as new inset design from our engineer, easy for carry, transport and installation.Also has no
  affect on the appearance.
We could supply V-belt as the type A or type B, upon the varieties demand of different customers.
The belt pulley it made of high quantity aluminum-magnesium alloy, light weight, high strength.
The high efficient and energy-saving motor passed the national CCC certification. Also protection class:
  IP55, insulation class: F grade.
Click an image to enlarge
Belt tensioner which is made of aluminum magnesium alloy can extend service life and avoid distortion. Ten-sion inside of belt could avoid twisting inverse.   Nylon oriented poles are fixed on the flange which could avoid distortion of nylon and guarantee total concentricity of front and back bearings.
Handles are designed as recessed type, easy to carry, transport and have no effect on installation and outlook.   Balance running test machinery of blades would make fan turn evenly.
DJF type push-pull exhaust fan (Centrifugal Shutter exhaust fan) Technical Parameter:
Model specifications
Diameter biades- mm
Blades rotational speed- rpm
Motor rotational speed- rpm
Air flow m/h
Total pressure
Noise decibels
Import power
Rated voltage
High
Width
Thick
DJF-1000(39〃)
910
438
1400
21000
57
≤65
550
380
1000
1000
450
DJF-1380(54〃)
1250
437
1400
44000
57
≤65
1100
380
1380
1380
450