Diffusers

High induction CAV & VAV swirl diffuser with fixed horizontal discharge direction, for installation flush with ceiling or free-hanging.

Volume flow range

• 12 – 400 L/s (43 – 1440 m³/h)

Nominal size

• DN200 (square face suitable for 300 mm - 600 mm ceiling grid, or circular face)
• DN250 (square face suitable for 300 mm - 600 mm ceiling grid, or circular face)
• DN350 (square face suitable for 400 mm - 600 mm ceiling grid, or circular face)
• DN500 (square face suitable for 600 mm ceiling grid, or circular face)

Discharge height

• 2.4 – 4.5 m

Features

• 360° (4-way blow) horizontal discharge pattern.
• Suitable for VAV turning down to approximately 30% @ ∆Tsupply-room ≈ -12 K.
• Neck reducers available to reduce effective neck size to suit reduced airflow rates.
• Segment covers available for 3-way blow (270°) or 2-way blow (2x90° or 180°) patterns.
• Square face standard, circular face optional.
• Optional square perforated screen available to cover face.
• May be freely suspended or located in closed ceiling.

Selection Tool