DRURegulating damper
Has a turning, cut-off blade. The blade is stepless adjustable 0–90°. The damper admits an insulation thickness of approx. 50 mm.
The blade is designed to generate a minimum of noise. The noise is approx. the same as for a perforated blade. But the blade is less sensitive to clogging since it lacks perforations.
Setting angle a
a = 0° = open blade, a = 90° = closed blad
| Characteristic | Value |
|---|---|
| Size | 80 - 1000 |
| Variety | GALV |
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