Product Information

View Performance Data FRFDA
Price FRFDA Series diffusers are designed to produce an adjustable, low velocity, multidirectional air pattern.

The diffuser design achieves precise, repeatable air patterns using pattern adjustment controllers mounted in predetermined locations above the equalization baffle. The following patterns can be ordered preset from the factory: 2 way radial, 1 way radial, 2 way horizontal, and 1 way vertical. Patterns may be re-adjusted in the field by simply relocating the pattern controllers. Once adjusted, the pattern controllers are firmly fixed in place, preventing inadvertent movement during cleaning.

An internal air baffle equalizes air flow across the face of the diffuser. The entire face of the diffuser, including the pattern control blades, is flush with the ceiling line for blending in well with most ceiling systems. The face panel is removable from the room side via quarterturn fasteners, providing access for damper adjustment or cleaning.

The high capacity and low noise level of the FRFDA series diffuser makes it suitable for critical applications such as laboratories, cleanrooms, medical facilities, and kitchens. The ability to modify air pattern settings makes this model an ideal choice for areas where design conditions or equipment location is variable. Field relocation of pattern controllers provides additional system flexibility.

  • Adjustable pattern: 2 way radial, 1 way radial, 2 way horizontal, and 1 way vertical patterns can be preset or field adjusted.
  • Common appearance with FRFD allows for integration of both products on the same site with uniform architectural appeal.
  • Optional neck-mounted volume control damper is fabricated of coated steel with nickel-plated operators and finished in B12 white powder coat paint. Optional stainless steel damper also available.
  • Suitable for use in either T-bar or surface mount applications.

Product Selection Checklist

  1. Select Diffuser Type by model number (FRFDA, AFRFDA, FRFDSSA).
  2. Select Inlet Diameter.
  3. Select Factory Preset Blow Pattern (2R, 1R, H, V).
  4. Select Damper Construction if required.
Example: FRFDA / 10” / 1R / 24” x 48”

Construction/Finish FRFDA
  • Diffuser frame and control blades
    - aluminum
  • Plenum and Equalization Baffle - steel
  • Finish: B12 - white powder coat
  • Diffuser frame, control blades equalization baffle and
    plenum - aluminum
  • Finish: B12 - white powder coat
  • All-stainless steel construction - #4 Finish on
    exposed surface
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