Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan

Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
Fully Closed Shutter Exhaust Fan, Model DJF(A) Wall Fan
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Description
The fully closed shutter exhaust fan, model DJF(A) wall fan features low noise, large air volume, minimal power consumption, evident ventilation effect, etc. A new shutter rotating device changes friction from between nylon parts and frame (iron plate) to between rotating arm and wear sleeve, effectively solving problems that heavy duty fans face with inflexible shutter control, loose closing, poor sealing and other relevant problems. As an upgraded product from model DJF(A) heavy duty fully closed shutter exhaust fan, it is better in tightness and thermal insulation.

Features of fully closed shutter exhaust fan, model DJF(A) wall fan
  • Fan blade: high-strength anti-rust aluminum alloy plates
  • Frame: hot-dip galvanized steel plates with 275g/m²zinc coating
  • Motor: YUYUN SANHE motor or SIEMENS motor
  • Noise: less than 64db
  • Installation: wall mount
Technical parameters
MODEL specifications DJF(a)-2-1380
Blades diameter(mm) 1270
Blades rotational speed(rpm) 443
Air flow(m3/h) 44000
Total pressure(Pa) 58
Noise decibel(dB) ≤64
Input power(W) 1100
Power parameter 380V/50Hz
Outline dimension
Dimension A(mm) 1380
Dimension B(mm) 1380
Dimension C(mm) 400
Dimension D(mm) 133
Dimension E(mm) 822
Dimension F(mm) 279
Component display

Blades diameter is extended from 1250mm to 1270mm, so that the enlarged blades increase air volume by 10% while maintaining original outline dimensions. There are two kinds of blades, stainless steel and galvanized plates.

Small blades and new sealing rotating device improve the efficiency by 30%, and the shutter is changed to 11 small blades shutter from 8 large blade shutter, making it easier for opening and closing.

New sealing device is changed from single layer to double layer, the sealing parts are more solid and thus the sealing property is better.

Installation diagram
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