Product Information

View Performance Data PDF-FR /PDFE-FR
Three Hour Rating - Lay-in Models

Fixed Air Pattern  
Deflectors on Face Flush Face
Drop (Extended) Face

PRICE PDF-FR / PDFE-FR perforated face ceiling diffusers provide a superior horizontal air pattern with a strong Coanda effect against the ceiling. Adjustable pattern controllers in diffuser face are easily field adjusted to suit the desired air pattern. The drop (extended) face Model PDFE-FR is availlable to complement tegular tile ceilings.

  • 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 face plate with quick-release spring latches provides easy access to optional adjustable volume controller (Allen key adjustable). See Pattern Controller Adjustment for procedure.

Model PDF-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 Finish.
   Example: 8" / 24" x 24" / PDF-FR / B12

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

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

*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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