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CDH

CleanZone Ceiling diffuser with Hepa-filter for supply air in clean rooms
  • Rectangular or circular duct connection
  • Size CDH/CLH 60 designed for suspended ceiling systems 600x600 with visible T-bars
  • Equipped with Hepa-filter H14 with gel seal (CLH), or dry seal (CDH)
  • Painted inside for easy cleaning
  • Measurement outlet for dip test and pressure above filter
  • Perforated or nozzle diffuser face
  • Standard colour White RAL 9003
    • 5 alternative standard colours
    • Other colours upon request
AIRFLOW - PRESSURE DROP - SOUND LEVEL*
CDH
Size
TypeVelocity over the filter at 0,45 m/s
Air flow qPressure dropSound level
l/sm3/hΔp PaLA dB(A)
33-160-1Perf.41148150<15
Nozzles41148170<20
60-315-1Perf.11641840<15
Nozzles11641855<25
66-315-1Perf.167601145<15
Nozzles16760117035
*Upper limit for the air flow is equivalent to 0.58 m/s across the filter’s nominal gross area.
Data applies to 4-way horizontal spread pattern.

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