Staircase Diffuser Type ‘SDRF’
COMPACT HEIGHT, IDEAL FOR STEPS
Circular and rectangular staircase swirl diffusers
- Various nominal sizes with 1 – 6 outlets
- Volume flow rate range 2 – 25 l/s or 7 – 90 m³/h
- Diffuser face made of sheet steel, powder-coated
- For variable and constant volume flows
- For false floors designed as positive pressure plenums
- Installation into the risers of steps
- Visible screw fixing
- 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
- Spring clip fixing (concealed)
- SDRF-K: Spring clip fixing
- SDRF-S: Screw fixing
- Circular diffuser face with one outlet
- Rectangular diffuser face with two to six outlets
- Outlets with fixed blades and with flow-optimising cup; cup with perforated rear plate used as a damper element to improve air distribution if there are several outlets
- Fixing screws (with decorative caps) facilitate installing the diffuser face
- Optional spring clip fixing
- Diffuser face made of sheet steel
- Cup made of ABS plastic, UL 94, V-0, flame retardant
- Cup similar to RAL 9005, black
- Exposed diffuser face powder-coated RAL 9005, jet black
- 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