Rectangular regulating damper
Consists of a duct with trapezoid corrugations and a turning blade. Blade angle can be adjusted 0–90° using the knob in the cup, and blade angle is read from an embossed scale on the edge of the cup. Locking is done by two Pozidriv screws (PZD2).
Please refer to page * for general information about dampers.
The damper is provided with a joining profile at each end. The length is normally b + 10, but the damper can also be ordered in special lengths.
The cup allows an insulation thickness of 50 mm. If thicker insulation is needed, add the special insulation cup IK to the damper.
Please refer to page * for general information about accessories.