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
