Air damper with actuator base DRr 800x500 SHUFT HC-0074750

DRr series air dampers are used in air conditioning and ventilation systems for industrial and public buildings at ambient temperatures from –40 to +60C. _x000D_ _x000D_ The dampers are manually operated and prepared for the installation of a GRUNER electric actuator. The dampers are installed in a rectangular air duct. They can be used as both regulating and shut-off dampers. _x000D_ _x000D_ The dampers are made of aluminum profile, with gears hidden inside the housing. Due to the use of a special 150 mm high profile, the flow (effective) cross-section is increased in sizes with heights of 150, 250, 350, etc. The tightness of the damper is achieved by a rubber seal installed on each rotating plate. The dampers are equipped with a square stem for the actuator. Manual operation is an option. _x000D_ _x000D_ Warranty 1 year.