TITANUS
MICRO·SENS
®
Design
06/13
93
Figure 57: Air return
The open end of the air return pipe is chamfered at an angle of 45°.
The distance between the aspiration apertures and between them and the
duct wall is shown in the following table.
Duct cross section
≤ 0,5 m²
Duct cross section
> 0,5 m²
Distance from aspiration
apertures to the wall
100 to 200 mm 200 to 300 mm
Distance between the
aspiration apertures
100 mm 150 mm
The diameter of the sampling aperture results from the number of aspiration
apertures. The precise value can be found in Chapter "Simplified pipeline
project planning”.
The pipe is concluded with an end cap without a bore.
The aspiration apertures should be arranged against the air flow.
During project planning, it is to be taken into account that the air conditioning
ducts for mounting the pipe system are often only accessible from two sides.
Bore distance
Sampling aperture
diamete
rrangemen
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