Swirl Diffusers

High Capacity Swirl Diffusers

Swirl diffusers designed to produce a horizontal, radial air pattern with a turbulent, high entrainment jet, swirl diffusers ideally suited for high heating or cooling differentials and ceiling heights up to 15m.

  • Models:
    SDCH
  • Construction:
    Fixed / linked adjustable / individually adjustable blades, 6 duct sizes
  • Air Properties:
    Supply / Exhaust
  • Duty Range:
    Duty range – 20 l/s to 1200 l/s (supply)
  • Mounting Options:
    Mounting – ceiling / duct
  • Product Options
    Options – motorised damper (SDACH), plenum box
Click here to view product specification

Fixed Blade Swirl Diffusers

Swirl diffusers available with square or circular plate, the SDF range is designed to produce a horizontal, radial air pattern with a turbulent, high entrainment jet, swirl diffusers ideally suited for high heating or cooling differentials.

  • Models:
    SDF
  • Construction:
    Available in 6 duct sizes and 4 plate sizes
  • Air Properties:
    Supply / Exhaust
  • Duty Range:
    Duty range – 10 l/s to 300 l/s (supply)
  • Mounting Options:
    Mounting – ceiling / duct
  • Product Options
    Options – fixing, duct collar, plenum box
Click here to view product specification

Perforated Face Swirl Diffusers

The SDFS-P diffuser combines our SDF high-induction horizontal, radial air diffuser, swirl diffusers ideally suited for high heating or cooling differentials, with a perforated plate to suit most ceilings.

  • Models:
    SDFS-P
  • Construction:
    Available in 4 duct sizes and 4 plate sizes
  • Air Properties:
    Supply / Exhaust
  • Duty Range:
    Duty range – 30 l/s to 275 l/s (supply)
  • Mounting Options:
    Mounting – ceiling / duct
  • Product Options
    Options – fixing, duct collar, plenum box
Click here to view product specification

Perforated Tile Concealed Swirl Diffusers

The SDFS-LCT consists of our SDF high induction air diffuser, adapted to fit above standard perforated ceiling tiles, to combine seamless, unobtrusive style and efficient air diffusion.

  • Models:
    SDFS-LCT
  • Construction:
    Available in 5 duct sizes to suit 600x600mm ceiling tiles
  • Air Properties:
    Supply / Exhaust
  • Duty Range:
    Duty range – 30 l/s to 275 l/s (supply, 40% free area ceiling tiles)
  • Mounting Options:
    Mounting – concealed mounting behind perforated tiles
  • Product Options
    Options – duct collar, plenum box
Click here to view product specification

Vane Swirl Diffusers

A versatile swirl diffuser available in a range of attractive designs, suitable for ceiling heights up to 4m and offering high induction and rapid air mixing characteristics.

  • Models:
    SDV
  • Construction:
    Available in 22 designs, adjustable or fixed vanes
  • Air Properties:
    Supply / Exhaust
  • Duty Range:
    Duty range – 25 l/s to 350 l/s (supply)
  • Mounting Options:
    Mounting – ceiling / duct
  • Product Options
    Options – fixing (lay-in, tegular, burgess), vane colour, plenum box
Click here to view product specification

Fan Swirl Diffusers

Fan swirl diffusers available in 2 attractive designs, the new SDT provides high induction horizontal, radial air pattern, swirl diffusers ideally suited for high heating or cooling differentials.

  • Models:
    SDT
  • Construction:
    Available in 4 duct sizes and 5 plate sizes
  • Air Properties:
    Supply / Exhaust
  • Duty Range:
    Duty range – 25 l/s to 175 l/s (supply)
  • Mounting Options:
    Mounting – ceiling / duct
  • Product Options
    Options – fixing, duct collar, plenum box
Click here to view product specification