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Swirl diffuser with high induction, fixed horizontal discharge. ...Read more

Swirl diffuser with high induction, fixed horizontal discharge.


Suitable for low temperature supply air (≥ 5°C) and CAV or VAV systems.  May be mounted flush with ceiling or free-hanging.

Airflow range

  • 12 – 400 L/s (43 – 1440 m³/h)

Supply temperature

  • ≥ 5°C

Nominal neck sizes

  • DN200
  • DN250
  • DN350
  • DN500

Discharge height

  • 2.4 – 4.5 m


  • Substantially flush face swirl diffuser with 24 radial vanes.
  • High capacity CAV or VAV (eg turndown to 32%-38% @ Tsupply-room = -15 K).
  • Suitable for low temperature supply air (≥ 5°C and ∆Tsupply-room ≥ -15 K).
  • Optional neck reducers for reduced airflow rates.
  • Optional blanking segments for 3-way blow (270°) and 2-way blow (2x90° or 180°) discharge.
  • Square (standard) or round face (optional).
  • Installation freely suspended or flush with closed ceiling
  • Optional perforated face screen (down to 50% open area).

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