SMD-FR Series

Product Information

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

PRICE SMD-FR high capacity louvered face directional 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.

SMD-FR high capacity louvered face directional diffusers are designed to supply large volumes of air at relatively low sound levels and pressure drops. Available in a wide variety of core styles, the modular design of these diffusers allows each unit to be manufactured to suit a specified air pattern and deliver the desired amount of air for any requirement.

  • 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 1, 2, 3 or 4 way blow in a wide selection of sizes.
  • Directional core is easily removable at the diffuser face without requiring special tools. Provides access to optional volume controller.
  • Optional adjustable volume controller (Allen key adjustable).
  • Optional 24" x 24" T-bar Lay-in Panel.
White Powder Coat
For optional and special finishes see color matrix.

    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 Volume Control Accessories,
    if desired.
  7. Select Finish.

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

* 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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