SMDA-FR Series

Product Information

View Performance Data SMDA-FR
Three Hour Rating - Lay-In

Fre-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.

SMDA-FR adjustable high capacity louvered face directional ­diffusers include factory installed, individually adjustable vanes for field adjustment from horizontal to vertical on each directional pattern segment of the diffuser. This series matches in detail, availability and construction the SMD-FR series.

  • 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.
  • Specifiable core styles for 4 way blow in a wide selection of sizes.
  • Recommend 4 way only with adjustable blades.
  • Directional core is easily removable at the diffuser face without requiring special tools.
  • Adjustable volume controller (Allen key adjustable).
  • Optional 24" x 24" T-Bar Lay-In Panel.

    Product Selection Checklist

  1. Select Inlet size L x W.
  2. Select Face size based on ceiling module.
  3. Select Diffuser style by model number.
  4. Select Panel option according to installation requirements.
  5. Select Core style based on application.
  6. Select Finish.

Example: 12" x 12" / 24" x 24" / SMDA-FR / 4A / B12

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

*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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