RDM
Multi blade regulation/adjustment damper
RDM - Multi blade regulating damper to control/balance airflow in ventilation ductwork
Properties
•For regulation/adjustment of the airflow
•Very small torque needed to operate the damper
•Manual or electrical actuating
•Standard range from 200 × 200 mm to 2 000 × 2 000 mm
•Leakage acc. EN 1751: - casing leakage: class ATC 3
•Made of galvanised or stainless steel
•Minimised pressure drop and noise: - two blade sizes - aerodynamic blade profile - casing leading edge cut at angle where appropriate
•Includes a flange for connection to the duct
•Silicone free, halogen free, lead free
•UV stabilisation and flammability suppression class V-0
•Casing, blades and mechanics reaction to fire class A1
Specifications
The RDM regulating damper is for use in general supply and extract ventilation systems and can be set with a varied blade position to manage the flowrate through the damper. The RDM damper can be provided in a manual version or in motorised versions with a wide range oaf actuators to met a range of project specific requirements. The damper can also be provided with a bare spindle and mounting plate to allow alternative actuators to be used. The RDM damper has an aerodynamic design to reduce pressure drop and noise.