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8009441/YN36/V3-0/2015-08| SICKOPERATING INSTRUCTIONS|GM35
Subject to change without notice
PROJECT PLANNING INFORMATION
Installation steps for fitting the flange with tube
Fig. 9: Flange installation – determining the measuring path
1 Mark the exact flange center points on the duct wall (SR-unit and reflector sides).
Note Optical alignment: When possible, the tube axis on the SR-unit side should be exactly flush
with the tube axis on the reflector side (< ± 1°).
2 For brick/concrete ducts: Cut the duct opening approx. 2 cm larger than the flange tube
outer diameter.
3 Cut an opening matching the outer flange tube diameter (standard Ø
a
= 133 mm) out of
the duct wall resp. retainer plate.
4 Position the flange tube so that marking points exactly in gas flow direction.
5 Affix in the fitting position.
Optical alignment of the flange
Fig. 10: Adjustment device for flange alignment
Active measuring path
Measuring path, flange – flange
Optical alignment < 1°
Light source of
adjustment device
Adjustment tube (target) of the
adjustment device
Flanges with tube
Flange 1
Flange 2
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