volume control dampers 50 mm pitch.
galvanized steel frame. Extruded alluminium blades.
by bolts on flanges corners.
DRIVE:
counter rotating movement by train of gear wheels made of nylon, driven by manual control or servomotor.
Brofer Srl - All rights reserved - P.I. 01459590285
Share Cap. € 1,500,000 f.p. – REA TV 410434
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