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RKMSquare regulation/adjustment damper

RKM – Regulation damper serve to regulate airflow in square or rectangular ducts, by constricting airflow with counter-rotating blades. The dampers are not classified as airtight.



  • For regulation of airflow inside the duct
  • Manual or electrical actuating
  • Damper dimensions from 200 × 200 mm
    to 2 000 × 2 000 mm
  • Made of galvanized steel
  • Leaf width always 100 mm
  • Includes a flange for connection to the duct
  • Can be used in explosion-hazard environments