DAMPER WITH NYLON HIDDEN GEAR_PITCH 100 MM CLASS 2 & CLASS 3
The predominant characteristic of this damper is the position of the rotation gears that are inside and hidden in the frame. As a result, the damper is always clean from dirt and the rotation of blades is guaranteed as it works properly for long time. The assembly is quick and easy; it is possible to realize dampers of different sizes: from smaller to bigger dimensions. This damper can reach, in term of air tightness, class 2 or 3 (EN UNI 1751:2013) according to accessories and gaskets selected. This system, offers a range of profiles of different weights and sizes, in order to assemble various kind of damper in term of cost, resistance and air tightness.
Mechanically stable and Perfect rotation of the blades
Cleanliness and good functioning of the parts guaranteed over time
High air tightness