Circular constant airflow regulators designed to be installed in ventilation ducts up to 400 mm in diameter, allowing supply or exhaust flow rate regulation without the need for auxiliary power source. Casing and blade made of galvanized steel. Equipped in both ends with a sealing gasket. It is also equipped with a shock absorber to prevent vibrations in the damper blade caused by the airflow. It is equipped with a manual setpoint adjustment mechanism. This control lever mechanism is used to adjust the spring tension to control the flow rate.
Additional information
Acoustic insulation version on request.
Operating conditions
Clean air, velocity between 3 and 8 m/s, ΔP range between 50 Pa and 1000 P.
Bathroom Extract Fans
In-line Duct Fans
Wall or Window Extract Fans
Heat Recovery Units
Whole house Extract Units
Acoustic Cabinet Fans
Roof mounted fans
Kitchen Extract Fans
Kitchen Extract Hoods
Domestic Ventilation
Domestic Heating
Humidifiers
Air Treatment Units
Hand and Hair Dryers
Plate Mounted Axial Flow
Cylindrical Cased Axial Flow Fans
Centrifugal Direct Drive Fan
Smoke Extract Fans
Parking Ventilation
Atex Fans for Explosive Hazardous
Air Curtains
Industrial Ventilation
Heating Industrial Range
Mounting Accessories
Electrical Accessories
Backward curved centrifugal fans
High pressure centrifugal fans with backward curved impeller
High pressure centrifugal fans with forward curved impeller
Centrifugal fans with forward curved impeller
Double inlet centrifugal fans
Radial Centrifugal fans for transportation of materials
Centrifugal fans for furnace applications