Steel calibration dampers

Frame in galvanized sheet metal 10/10 Z200 thickness 80 mm depth riveted, 30 mm flanges drilled Ø 5 mm on the corners “Double Skin“ fins in galvanized sheet metal, thickness 0.4+0.4 Z200, pitch 50 mm Internal gears in Nylon, temp. -20°C / +70°C Control pin Ø 8 mm L = 45 mm Tightness class 1 according to EN 1751

Applicable Standards
  • EN 1751

    Ventilation for buildings - Air terminal devices - Aerodynamic testing of damper and valves

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