Product Information

View Performance Data RVDC

Aluminum Construction RVDC

Price RVDC Series Radial Vane Diffuser with replaceable high efficiency filter is unique in design as its radial slots provide a high induction "vortex" air flow projecting horizontally from the face of the diffuser. This resulting air flow provides rapid mixing of supply air with the room air and relatively short throws. Large quantities of air can be introduced while maintaining uniform temperatures and avoiding drafts in the occupied space.

A replaceable high efficiency filter allows the RVDC to provide a supply of clean filtered air to the space. Rapid mixing of the clean filtered air in the space reduces particle contamination, making the RVDC an excellent choice for cleanrooms requiring cleanliness levels of Class 1,000 through Class 100,000.


  • Radial pattern air slots with fixed horizontal deflectors.
  • Face of diffuser easily removed for access to filter.
  • Static pressure port to measure filter pressure drop.
  • Surface mount or 1" (25) wide gasketed
    T-bar ceilings.
  • Nominal 24" x 24" diffuser face, 10" round inlet standard.
  • Housing factory scanned for leaks.
  • Optional steel full flow damper with remote cable operator.
  • Optional insulated housing available.
  • Easily replaceable high efficiency filter with silicone gel seal, which provides a leakproof seal between the filter and housing.
  • Available filter efficiencies:
    HE           95% at 0.3 μm
    HEPA      99.99% at 0.3 μm
    ULPA      99.999% at 0.12 μm

    Product Selection Checklist

  1. Select Diffuser Type RVDC.
  2. Select Filter Type (HE, HEPA, ULPA).
  3. Select Volume Control Damper, if desired.
  4. Select Hanger Brackets (HB), if desired.
  5. Select Insulated Housing (AFI), if desired.
Example: RVDC / 1 / HEPA / HB

  • Available in aluminum B12 white powder coat (RVDC).
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