Company Diffusion Acoustics Firewall Flexible Duct downloads Contact Tradair > Dampers > Regulation > Aluminum With Sprocket Driven Opposite Fins (CRA) Regulation Damper, Opposing Blades, Horizontal, Aerodynamic Profile, Sealing Gasket, Manual or Motorized Control, Driven by Nylon Pinions Placed Out of the Air Flow. L : 200 - 1200 mm. In steps of 50 H: 120 - 1520 mm. With Crank Driven Opposite Fins (CRA / B / AO) Regulation Damper, Opposing Blades, Horizontal, Sealing Gasket, Aerodynamic Profile, Manual or Motorized Control, Operated by Galvanized Steel Connecting Rods Located Outside the Air Flow. L: 200 - 1200 mm. In steps of 50 H: 220 - 1520 mm. With Crank Driven Parallel Fins (CRA / B / AP) Regulation Damper, Parallel Blades, Horizontal, Sealing Gasket, Aerodynamic Profile, Manual or Motorized Control, Operated by Galvanized Steel Connecting Rods Located Outside the Air Flow. L: 200 - 1200 mm. H: 220 - 1520 mm Tested in the fluid mechanics laboratory of the Barcelona School of Industrial Engineering (ETSIIB). Belonging to the Polytechnic University of Catalonia (UPC) Factory and Administration: +34 925 51 11 12. Commercial Department: +34 925 53 95 53 - Catalunya Delegation: +34 93 710 47 30

Company Diffusion Acoustics Firewall Flexible Duct downloads Contact Tradair > Air Intakes Rain Flaps, Fixed, Inclined at 45º, Pitch in 25 mm (RA.MEX) Air intake, supply, expulsion or passage of air between interior rooms, simple deflection, rain flaps, fixed, horizontal, includes metallic anti-bird mesh L: 200 - 1000 mm. H: 100 - 1000 mm. Rain Flaps, Fixed, Inclined at 45º, Pitch in 100 mm (TAE) Air intake, supply, expulsion or passage of air between interior rooms, simple deflection, rain flaps, fixed, horizontal, includes metallic anti-bird mesh L: 500 - 2000 mm. H: 200 - 1700 mm. Tested in the fluid mechanics laboratory of the Barcelona School of Industrial Engineering (ETSIIB). Belonging to the Polytechnic University of Catalonia (UPC) Factory and Administration: +34 925 51 11 12. Commercial Department: +34 925 53 95 53 - Catalunya Delegation: +34 93 710 47 30