K – Square Displacement Supply Air Diffusers
Floor-standing Industrial Supply Air Diffuser with Multi-directional Air Distribution
KC, KD, and KE are square low velocity air diffusers for surface-mounted installation on the floor. These diffusers are primarily used for high airflow rates in industrial premises, commercial kitchens, event venues, and similar environments, where they provide a displacement system with better air quality and lower temperature in the occupied zone than at ceiling level. The diffusers feature adjustable REPUS® nozzles that ensure even air distribution across the entire front surface with short near zones, making them completely maintenance-free.
The diffusers can be supplied with a reinforced front and plinth if the connection is located on the underside.

Technical Specifications:
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Square diffusers with two-, three-, or four-way air distribution:
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KC – two-way air distribution
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KD – three-way air distribution
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KE – four-way air distribution
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Made of galvanised sheet steel
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Profiled front 1.0 mm
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Visible parts powder-coated, white RAL 9003 (NCS 0500s)
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Floor mounting
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Fixed measuring port for airflow rate control
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REPUS® nozzles with adjustable air distribution pattern for optimal comfort
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Robust construction for high airflow rates
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Energy-efficient and environmentally friendly with recyclable materials
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Short near zone and comfortable climate in the occupied zone
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Maintenance-free diffuser that only requires wiping
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The front is detachable for cleaning when needed
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Can be equipped with a plinth and reinforced front if required
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Easy floor mounting
AMA Text for Design
TDxx REPUS® low velocity air diffuser for surface-mounted installation, type KC, KD, or KE, or equivalent.
- The diffuser must have internally mounted adjustable REPUS® nozzles for optimal air distribution.
- Material: galvanised sheet steel
- Colour: powder-coated, white RAL 9003 gloss 30% or as per order
Product designation
KEC.AAAxBBBxCCC-Øxxx | KDC.AAAxBBBxCCC-Øxxx | KCC.AAAxBBBxCCC-Øxxx
Use our configurator for dimensioning KC, KD, and KE diffusers based on your project’s specifications.
Selectable air distribution
two-, three-, or four-way air distribution for optimal comfort.
Robust construction
Durable diffusers for high airflow rates and industrial environments.
Maintenance-free design
Long lifespan with minimal service requirements