Staircase Diffuser Type ‘SD’
FOR INSTALLATION INTO STEPS AND FLOOR AREAS WITH NO FOOT TRAFFIC
Circular and square staircase swirl diffusers
- Nominal size 180 mm
- Volume flow rate range 10 – 25 l/s or 36 – 90 m³/h
- Diffuser face made of sheet steel, powder-coated
- For variable and constant volume flows
- For false floors and positive pressure plenums
- Installation into the risers of steps or into horizontal or sloping floor areas which do not carry foot traffic
- High induction results in a rapid reduction of the temperature difference and airflow velocity
- Low sound power level due to optimised air distribution inside the diffuser
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Product Information
Optional equipment and accessories
- Exposed diffuser face available in RAL CLASSIC colours
- Spigot
- Cross bar
- SD-Q-LQ: Square diffuser face, square face style
- SD-Q-LR: Square diffuser face, circular face style
- SD-R-LR: Circular diffuser face, circular face style
- Square or circular diffuser face with four sections of blades
- Diffuser face with fixed air control blades
- Angled air discharge from diffuser fixed to cross bar
- Air discharge parallel to the installation surface from diffuser fixed to spigot
- Simple installation of the diffuser face due to central fixing screw with decorative cap
- S: Spigot
- T: Cross bar
- Spigot suitable for circular ducts to EN 1506 or EN 13180
- Diffuser face made of sheet steel
- Cross bar and spigot made of galvanised sheet steel
- Spigot dip coated similar to RAL 9005, black
- Exposed diffuser face powder-coated RAL 9010, pure white
- P1: Powder-coated, RAL CLASSIC colour
- Sound power level of the air-regenerated noise measured according to EN ISO 5135
- Maintenance-free as construction and materials are not subject to wear
- Inspection and cleaning to VDI 6022