WCS: duct overpressure dampers suitable for limiting the reverse flow of air in ducts.
CHARACTERISTICS:
- Frame: made from extruded aluminium, 30 mm wide and 125 mm thick, constructed in four parts connected by screws.
- Fins: made of extruded aluminium with 100 mm or 50 mm spacing, inserted into a plastic guide support incorporated into the frame.
- The fins, even at maximum opening, do not protrude from the thickness of the frame.
- Transverse reinforcement: provided on all sizes with base dimension greater than 1000 mm.
- Anti-noise rubber on fin edge: available.
- Damper installation: by means of self-drilling screws directly on the flange of the duct.
- Finish: natural aluminium