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RKTMSquare tight regulation/adjustment damper

RKTM – The tight, square, regulating damper regulates airflow or tightly seals square ducts by constricting cross sections with counter-rotating blades. The blades are fitted with a silicone seal.



  • For regulation and airflow cut off inside the duct
  • Manual or electrical actuating
  • Damper dimensions from 200 × 200 mm
    to 2 000 × 1 600 mm
  • External Casing leakage class C
    Internal leakage class 4 acc. to EN 1751
  • With a flange for connection to the duct
  • Made of galvanized steel
  • Leaf width always 100 mm
  • Includes a flange for connection to the duct
  • Can be used in explosion-hazard environments