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.

Characteristics

• 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
• Leakage acc. EN 1751:
  - External Casing leakage: class C
  - Internal leakage: for dampers to 0,3m² class 2, for dampers over 0,3m² and min. 6 blades class 3

• 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