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Product name
Duct connection size
Airflow
qv*
Adjustment pressure
Δp
Pa
Description

DRU-100

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Regulating damper
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MISSING

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


MISSING
Total pressure loss
Δpt
Pa
Sound power level
LwA
dB(A)
Velocity
v
m/s
Damper angle
°
deg
  • Pressure and sound power diagram
    MISSING
    Hz 63 125 250 500 1K 2K 4K 8K
    Lw 66 61 56 47 39 33 27 24

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