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Product view with commissioning box
Product view with commissioning box
Product in context
Product in context

CDD

Circular ceiling diffuser for supply air - Flat upper section
  • Used with commissioning box ALS
  • Cleanable
  • Adjustable slot
  • Perforated diffuser face = CDD
  • Non-perforated diffuser face = CDR
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
Calculate with your requirements
AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
CDD
Size		25 dB(A)30 dB(A)35 dB(A)
l/sm3/hl/sm3/hl/sm3/h
100331193713344158
125441584917656202
160702528229595342
20095342110396120432
250115414135486160579
315150540180648210759
 
CDD
Size		ALS
Size		25 dB(A)30 dB(A)35 dB(A)
l/sm3/hl/sm3/hl/sm3/h
10080-1002072269432115
125100-12527973512643155
160125-160461665720570252
200160-2006824582295100360
250200-25092331120432140504
315250-315135486160576190684
Data applies to 360° spread pattern. Data for CDD in combination with ALS commissioning box is stated for a total pressure drop of 50 Pa.
*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m² room absorption area.