RKKTM – The Round tight regulation damper regulates airflow or tightly shuts circular ducts by constricting the cross section.The blades are fitted with EPDM seals.
Characteristics
- For regulation and airflow cut off inside the duct
- Manual or electrical actuating
- Diameter from 80 to 630 mm
- External Casing leakage class C
Internal leakage class 4 acc. to EN 1751
- Made of galvanized steel
- Includes a flange for connection to the duct SPIRO design also available
- Can be used in explosion-hazard environments