Hvac Air Dampers

All dampers are constructed with a thick, galvanised steel outer casing, with integral flanges to facilitate fixing to the builders work opening or connecting ductwork. The blades are manufactured from galvanised steel or aluminium, according to type. The bearings in which the blades run, consist of brass brushes with shoulders into which are housed the spindles The blade spindles are linked with sturdy link arms and bars. Seals can also be fitted to the blades if required and to further improve the sealing properties. The outer flanges are normally supplied undrilled unless otherwise requested and, where the louvres or dampers are sited externally, weather covers can be fitted over the spindle ends and motors for protection against prevailing weather conditions. Alternative materials and methods of construction are available and details will be supplied upon request.