Circular and square ceiling swirl diffusers with fixed air control blades, for high volume flow rates at low sound power levels and low differential pressure due to innovative polymer technology
- Nominal sizes 160, 250, 300, 400, 600, 625
- Volume flow rate range 5 – 385 l/s or 16 – 1386 m³/h
- Plastic diffuser face with overlapping, three-dimensionally contoured blades, for the most efficient swirl and high induction
- For supply and extract air
- For variable and constant volume flows
- For all types of ceiling systems, and with an extended border also suitable for freely suspended installation
- Diffuser face with gently sloped, flat border – only 3 mm high
- Plenum box with acoustically optimised and lockable damper blade
- Spigot for nominal sizes 160 and 250 allows for quick, simple and direct connection to the ductwork
- Diffuser face with bayonet fixing (no tools required) available for nominal size 160 or 250 and with a spigot
Optional equipment and accessories
- Exposed diffuser face available in RAL CLASSIC colours
