Return air square ceiling diffuser

Return air square ceiling diffuser
Model: CD -4-HD:
    Model CD – 4 – HD Same as CD – 4+D HD but without opposed blade damper suitable for
    return air applications.
·   The frame and blades are of high quality extruded aluminum profiled construction with the
                  advantages of corrosion resistance and rigidity.
·   Louvered type core is fixed to the frame with aluminum pins loaded with steel springs.
·   Core can be easily removable and interchangeable to allow for maximum fexibility in
·   Discharge air horizontal in one way, either X or Y directions are per pattern arrangement.
·   Foam gasket is sealed around the back of the frame as option to avoid air leakage.
·   Suitable for flush mounting in lay in type ceiling.
·   Pressed cores and frames gives high performance than the extruded profiles frames avoiding
                 the joints at the corners.
·   Extruded aluminum profiles for frame and cores with 1.2mm thick and 33mm fange width
·   Louvered type cores as single unit is fixed to the outer frame by aluminum pins loaded with
                  stainless steel springs.
·   Pressed frames with fixing holes for cores and ducts