CKD

Circular jet diffuser for supply air

The CKD is a circular multi-cone jet diffuser for ceiling or wall mounting. It can handle extremely large air flows at low sound levels. It is suitable for constant or variable air flow. Can be supplied at under- or over-temperatures and both horizontal and vertical spread patterns are possible. Suitable for both comfort and industrial premises.

  • Diffused or concentrated spread pattern
  • Cone unit adjustable through 360°
  • Possible to motor control the supply air angle ± 25 °
  • Suitable for heating or cooling
  • Can be used together with ALS commissioning box
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
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Category

Description

Technical specifications

AIR FLOW – SOUND PRESSURE ROOM (Lp10A) *)

CKD  l/s
Size 30 dB(A) 35 dB(A) 40 dB(A)
200 58 65 72
250 82 95 115
315 160 180 210
400 225 260 300
500 350 400 450
CKD      ALS        l/s
Size Size 30 dB(A) 35 dB(A) 40 dB(A)
200 160-200 58 70 85
250 200-250 85 100 125
315 250-315 130 160 190
400 315-400 210 245 290

Data applies to the combination of CKD + ALS commissioning box at total pressure drop of 50 Pa and diffused spread pattern

*) Lp10A = Sound pressure incl. A-filter with 4 dB room attenuation and 10 m2 room absorption area.

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