Air Inlets

The Dhumal Air Inlets steers the incoming fresh air before it enters the building. The air gets its direction through adjustable spoilers. The amount of air is regulated with a vertically moving slide. Steering and amount of air are separated. Because of this completely situations where high demands on the air control should be imposed

  • For wider houses (More than 40 feet)
  • Obstacles in the air way like construction bars
  • No air through nests.

Technical specifications of air inlet

inlets diagram

Note:The position of the spoilers has a big impact on the capacity of the air inlet. The picture below illustrates this for the Air Inlet. Therefore Dhumal advices to calculate with 10 Pa under pressure.

Spoilers Normal Spoilers Up Spoilers Extreme
Surface – 1,570 cm2 Surface – 1,480 cm2 Surface – 1,150 cm2
10 Pa – 2,400 m3/h 10 Pa – 2,100 m3/h 10 Pa – 1,750 m3/h
20 Pa – 3,300 m3/h 20 Pa – 3,000 m3/h 20 Pa – 2,450 m3/h
30 Pa – 4,100 m3/h 30 Pa – 3,650 m3/h 30 Pa – 3,000 m3/h
10 Pa – m3/h 2,100
20 Pa – m3/h 3,000
30 Pa – m3/h 3,700
Surface cm2 1,415
Width – mm 510
Height – mm 400
Depth – mm 80

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