RCDE Series

Product Information

View Performance Data RCDE

Horizontal Air Pattern

2-Position Adjustment


PRICE RCDE round cone ceiling diffusers feature a spring lock arrange­ment permitting quick, easy removal of the inner cone assembly. Ample adjust­ment of inner screw allows two different horizontal air patterns.


  • Heavy gauge spun steel construction.
  • Two horizontal discharge settings for different flow rate conditions. In the open position (E), maximum capacity is obtained. In the closed position (F) induction is increased, and the noise levels increase by 1 NC above those shown in the performance table.
  • Deeply contoured outer cone pre­vents smudging.
  • Easily adjustable without requiring special tools.
  • Excellent performance for VAV applications when selected within the range of tabulated performance values.
  • Optional wire guards available to protect diffuser face for gymnasium applications.
  • Complete range of available accessory dampers, equalizing grids etc.


    Product Selection Checklist

  1. Select Unit size based on specified inlet diameter.
  2. Select Outlet type by model number.
  3. Select Volume Control and / or Mounting accessory, if desired.
  4. Select Wire Guard / Safety Chain accessories, if desired.
  5. Select Finish

Example: 24" / RCDE / B12



White Powder Coat



For optional and special finishes
see color matrix.

Available Sizes
  • 6" (152) to 24" (610) nominal duct/neck.
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