IRF – Flush-mounted round floor and tiered-seating diffuser
Flexible placement in floors and risers
IRF is a flush-mounted round floor diffuser for installation in floors or tiered seating. The diffuser is used in environments where it must be integrated completely flat into the floor surface or riser without protruding parts – a safe and aesthetic solution for theaters, cinemas, assembly halls, offices, and auditoriums. The diffuser can be connected via pressurized plenums or ducts and provides a very even air distribution thanks to internally mounted REPUS® nozzles.
Technical Specifications:
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Adapted for flush mounting in floors or tiered seating
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Design in galvanized sheet metal, powder-coated RAL 9003 gloss 30% (other colors on request)
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Flat installation without protruding parts
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Available in three standard designs:
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IRF 100 – for floor installation, easy installation, and stable front
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IRF 125 – for flush mounting in risers with a short near zone and displacement airflow rate
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IRF 250 – for higher airflow rates and open floor areas
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REPUS® nozzles with adjustable air distribution pattern (0–365°) for optimal comfort
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Creates displacement systems with better air quality and lower temperature in the occupied zone than at ceiling level
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Flush mounting with low installation height – no risk of tripping hazards
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Maintenance-free diffuser that only requires wiping
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The front is removable for potential cleaning
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Mounted flat without protruding parts
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Adapted to the current floor thickness and construction
AMA Text for Design
TDxx Tiered-seating diffuser in round design type IRF or equivalent.
- The diffuser shall have an adjustable REPUS® nozzle R60 for an adjustable near zone – 365°
- Material: galvanized sheet metal
- Specify installation in floor or riser
- Color: powder-coated, RAL 9003 or according to order
Product designation
IRF.100 IRF.125 IRF.250
IRF is available in three standard sizes and differs depending on the desired connection diameter. Available in a variety of patterns and colors.
Discreet design
Flat flush mounting without protruding parts.
Minimal maintenance
Long service life with only simple wiping.