Product Information

View Performance Data PDMC/APDMC

Steel Construction


Aluminum Face and Core


PRICE PDMC / APDMC Series perforated face high capacity modular core directional diffusers match in detail the SMCD / AMCD series and offer a perforated face for smooth integration with the ceiling system. Field adjustment of the air pattern is easily accomplished by opening the perforated faceplate and repositioning the modular pattern controllers. The core design provides an excellent horizontal pattern suitable for VAV applications.

For Fire-Rated applications see Series PDMC-FR.


  • Steel perforated face, backpan, and core construction. (PDMC).
  • Steel backpan and core with aluminum perforated faceplate (APDMC).
  • Perforated face panel has 3/16" (5) diameter holes staggered 1/4" (6) on center.
  • Four louvered air pattern modules are located at the neck and can be easily repositioned in the field without tools.
  • Adjustable 1, 2, 3 or 4- way patterns, in a wide selection of sizes.
  • Optional opposed blade damper available.

Model PDMC (steel) / APDMC (aluminum)

    Product Selection Checklist

  1. Select Inlet Size L x W.
  2. Select Face Size based on ceiling module (24 x 24 standard).
  3. Select Diffuser Style by model number.
  4. Select Pattern.
  5. Select Finish..
  Example: 8" x 8" / 24" x 24" / PDMC / 3 / B12

White Powder Coat B12
For optional and special finishes see color matrix.
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