VRX – Quarter-Round Displacement Diffuser
Externally Adjustable Near Zone with REPUS® X-Nozzles
VRX is a quarter-round low velocity air diffuser suitable for placement in wall-ceiling corners or in room corners. The compact design makes the diffuser ideal where displacement ventilation is to be combined with a discreet and space-efficient installation.
With a supplementary base, the diffuser can be connected from below. When connecting from above, the diffuser height can be adjusted so that the connecting duct is concealed and the installation is integrated with, for example, a suspended ceiling or duct cladding.
VRX is equipped with REPUS® X-nozzles that provide uniform air distribution across the front surface and high induction of room air. The slot-shaped openings of the nozzles make it possible to direct the air and adjust the near zone directly from the outside of the diffuser, entirely without tools. The design has no filters or perforated sheet metal and is therefore maintenance-free.

Technical Specifications:
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Quarter-round model for corners and wall-ceiling corners
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Construction in galvanised sheet steel
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Standard height 2 metres with possibility for custom dimensions
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Powder-coated white RAL 9003 gloss 30% (other colours on request)
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Accessories: base for connection from below and height adjustment for suspended ceiling or duct cladding (hhhh)
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REPUS® X-nozzles for uniform air distribution across the entire front surface
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The near zone can be adjusted from the outside of the diffuser without tools
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High induction of room air contributes to reduced temperature gradient in the occupied zone
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Slot-shaped nozzle openings with individual guide rail for uniform distribution of partial flows
- Displacement airflow with low air velocity and high comfort
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Good measurement possibilities for simple and accurate commissioning
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Can be placed in corners or at the angle between wall and ceiling
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Can be placed in corners or at the angle between wall and ceiling
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Possibility for connection from above or from below
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The height can be adjusted to conceal the connecting duct
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Robust and maintenance-free construction without filters or perforated sheet metal
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Recommended installation 100–150 mm above floor
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Can be manufactured in project-specific dimensions – see the Configurator
AMA Text for Design
TDxx REPUS® quarter-round low velocity air diffuser type VRX or equivalent
- The diffuser shall have REPUS® X-nozzles to enable adjustment of the near zone from the outside of the diffuser
- Material: galvanised sheet steel
- Colour: powder coating, white RAL 9003 gloss 30% or as specified
- Accessories: base for connection from below, adjustment for suspended ceiling height (hhhh)
Product designation
VRX.AAAxBBBxCCC.EEE-Øxxx
Use our configurator to dimension VR diffusers according to the room’s requirements, airflow rate and connection options.
Externally Adjustable
Repus X-nozzles that enable adjustment of the near zone.
Low Sound Level
Optimised for comfort ventilation Minimal pressure drop for energy savings