Air Valves are with adjustable core for air supply or air return in Air-conditioning, Ventilating and Heating systems.
Fixing by means of 'S' clip for concealed fixing.
Frame and disc are made of galvanized steel. Disc attached to the frame by means of threaded rod. Air flow can be adjusted by regulating the Disc up or down. Available in 100mm, 150 mm and 200 mm inner sizes.
Powder coated in standard RAL white colours.