For automatic regulation of air flow volume or shut-off of air ducts installed in various premises. Compatible with 400x200 up to 600x350 mm rectangular air ducts.
Fixing to rectangular ducts with flange connection. Mounting with galvanized bolts and clamps that fix the end flanges of the air shutter to the mating flanges of the air ducts or any other ventilation system components. While mounting provide enough space for accessing the servo actuator.
Galvanized steel case and rotary blade. Automatic control of the regulating mechanism with a servo actuator installed on the damper shaft. Three-point circuit provides regulation of the rotary blade; adjustable with mechanical stop blocks, maximum angle 95°. The servo actuator has overheating protection. Switching to manual control mode if required.