PDDR-FR / PDDRE-FR

Product Information

View Performance Data PDDR-FR/PDDRE-FR
Three Hour Rating - Lay-In

Models  
Matching Returns for
PDN-FR, PDF-FR and PDC-FR
Flush Face
PDDR-FR
Matching Returns for
PDNE-FR, PDFE-FR and PDCE-FR
Drop (Extended) Face
PDDRE-FR

PRICE PDDR-FR /PDDRE-FR perforated face return air 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.

Features
  • Available in both imperial and hard metric module sizes.
  • 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 access to optional adjustable volume controller (Allen key adjustable). See Field Adjustment Procedure.

Model PDDRE-FR
Model PDDR-FR
Maximum Square Neck for Plenum Return
(minus required damper)
Round Duct Connection
(minus required damper)

    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 Finish..

  Example: 8" / 24" x 24" / PDDR-FR / B124


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

Available Module Sizes
Imperial
Metric
12" x 12"
300 x 300
20" x 20" 500 x 500
24" x 24" 600 x 600

*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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