Product Information

View Performance Data PDC-FR/PDCE-FR
Three Hour Rating - Lay-In  

Adjustable curved blades
Flush Face
Drop (Extended) Face

perforated face ceiling diffusers are Fire-Rated Assemblies listed in the UL Listed (Under­writers Laboratories Fire Resist­ance Directory) and ULC Listed (Underwriters Laboratories of Canada Equipment and Materials Directory). This design meets time versus temperature test criteria and NFPA 90A requirements.

PDC-FR / PDCE-FR perforated face ceiling diffusers feature individually adjustable curved blades at the diffuser inlet, available in fixed 1, 2, 2 way corner, 3 and 4 way air patterns. The adjustable curved blades provide total flexibility in pattern adjustment from horizontal to vertical, as well as low pressure loss and noise levels. The drop (extended) face Model PDCE-FR is avail­able to comple­ment tegular tile ceilings.

  • Non-adjustable, butterfly-type ceiling radiation damper.
  • Designed for use in an exposed grid suspension ceiling (T-bar Lay-in) with a three hour or less restrained or unrestrained assembly rating. Units must be installed in accordance with the instructions that accompany each unit.
  • Thermal blanket is non-asbestos.
  • Standard 165 °F [74 °C] fusible link, optional 212 °F [100 °C] fusible link.
  • Hinged, removable perforated faceplate with quick-release spring latches provides easy access to optional adjustable volume controller (Allen key adjustable). See Pattern Controller Adjustment for procedure.

Model PDC-FR

    Product Selection Checklist

  1. Select Inlet diameter or Neck Size L x W.
  2. Select Face Size based on ceiling module.
  3. Select Diffuser style by model number.
  4. Select pattern.
  5. Select Finish.

  Example: 8" / 24" x 24" / PDC-FR / 4 / B12

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

Available Module Sizes
24" x 24"
12" x 12"

*Performance Note:
The catalog data referenced can be used as a guide for selection of fire-rated diffusers. Sound and pressure drop values are increased from standard catalog values for some models and sizes due to restriction of the fire damper. For detailed selection assistance please contact your Price representative.

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