Aluminium Volume Control Dampers

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Suitable to control the air volume in ducts in air conditioning, ventilating and heating systems. Ensures duct systems air balancing and also suitable to use in air handling units, where high air velocities and pressure are encountered.


Mounted in the branches or air distribution ducts and also in the mouth of the Air handling units by means of bolts and nuts.


Frames and blades both are high quality extruded aluminium sections. The frame with flat frontal face to suit for flanged connections with the ducts. Frames are fixed by screws and inner blades are aerofoil type.
Frames and blades are connected by means of nylon bushes and rods with gear for smooth operation in case of larger size AHU dampers, blades are connected by means of machined spindles, bushes with flat link arrangements, air volume adjusted by a lockable quadrant with status indicator, lockable screws indicating open or closed position.
Available in manual control or motorized control operations, as well as in standard or non-standard sizes also available. For motorized operation extended spindle rod will be provided to fix the motor. Actuators available with various torque capacities to meet the larger sizes requirments.


Available in Natural Aluminium anodised or in powder coated.