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RKKMRound regulation/adjustment damper

RKKM – The round regulation damper serves to regulate the airflow through circular ducts by means of constricting the cross section. The damper is not classified as airtight.



  • For regulation of airflow inside the duct
  • Manual or servo actuation
  • Diameter from 80 to 630 mm
  • Made of galvanized steel
  • Includes a flange for connection to the duct SPIRO design also available
  • Can be used in explosion-hazard environments