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Round Diffuser Fixed Core – ARDF+D


Frame and inner cores: High quality steel construction
Damper frame and blades: Steel sheet with black matt finish.


Airmaster manufactures Round diffusers from high quality aluminium sheets. The concentric inner cores are rigidly fixed to the frame of the round diffuser, giving a horizontal air pattern. Airmaster round diffusers are also available with removable core for easy access and maintenance of ductwork. Round diffusers are generally installed on ceiling tiles or exposed ductwork using  round ducts for supply and return air HVAC applications.
Round diffusers are available with black powder coated butterfly damper for supply air applications. The damper can be operated from the face of the Round diffuser by means of a screw driver or a simple hook as shown below.
Airmaster round diffusers are also available with adjustable core, to handle large volumes of supply air volumes.  Adjustable round diffusers are available in aluminium and steel construction. Airmaster also manufactures other types of ceiling diffusers such as square and rectangular diffusers, linear slot diffuser, perforated diffuser, jet diffuser and light troffer diffuser for various HVAC applications.

  • Round Diffuser Frame and cones are constructed from high quality aluminium sheet.
  • Inner cones fixed rigidly to the frame. [Removable core available]
  • The standard butterfly damper in supply diffuser can be easily adjusted through the face of the unit by means of a screw driver or a simple hook.
  • Damper is fixed to the frame by rivets.
  • Foam gasket is sealed around the back of the frame as option to avoid air leakage.
  • The diffuser can be used for ceiling or exposed duct mounting and has a fixed horizontal air pattern.

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