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CDR

Circular ceiling diffuser for supply air - Flat upper section
  • Used with the ALS commissioning box
  • 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
AIR FLOW - SOUND PRESSURE ROOM (Lp10A) *)
CDR
Size
25 dB(A)30 dB(A)35 dB(A)
l/sm3/hl/sm3/hl/sm3/h
10024862810134122
125321153713344158
160612207125681292
2008028891328105378
250100360120432140504
315140504165594190684
 
CDR
Size
ALS
Size
25 dB(A)30 dB(A)35 dB(A)
l/sm3/hl/sm3/hl/sm3/h
10080-1002176279732115
125100-12526943311941148
160125-160461665820972260
200160-2006924882295100360
250200-25090324110396140504
315250-315140504155558190684
Data applies to 360° spread pattern. Data for CDR 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.