Armstrong board or Tegular diffusers or Title Replacement Diffusers helps in adjusting air volumes to ensure balancing as per envisaged design. They have a smooth and easy operation. A black frame of 50mm, depth and inner blades assembly. Available in aluminum or mild steels as well as in screw operated or lever operated types. Aluminum collar dampers are opposite blades operated and mild steel dampers are parallel operated. Can be made for any required sizes. Round butterfly type collar dampers are also available
Suitable to control the volume of air behind the grilles or diffuse air-conditioning, ventilating and heating systems.
Installed in ducts by means of metal screws or re vetted directly behind the grilles or diffusers.
Aluminum : Natural aluminum, anodized or powder coated in black color.
Mild Steel : Painted in black or powder coated in black color.
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