DKS - Circular nozzle duct for high airflow rates
Efficient air distribution for large and variable airflow rates
DKS is a circular nozzle duct developed for high airflow rates and flexible installation. It can be mounted free-hanging in the room for mixing ventilation or along a wall/glass facade for stratification distribution. The REPUS® nozzles provide even and comfortable air distribution without drafts.
The units are manufactured with longitudinal seams in dimensions 400–1250 mm and lengths 0.5–2 m, which can be assembled into sections of up to 20–30 meters or more. Standard finish in galvanized sheet metal, powder-coated RAL 9003 gloss 30%. Unpainted, stainless steel, or aluzinc are also offered. Nozzles are available in white, gray, or black.




Technical Specifications:
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Longitudinally seamed ducts in dimensions Ø400–Ø1250 mm
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Lengths: 0.5, 1, 1.5, 2 m – can be assembled up to 30 m
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Material: galvanized sheet metal, powder-coated RAL 9003 gloss 30% (other colors on request)
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Accessories: painted bends (DKB), T-pieces (DKT), ducts without nozzles (DKK), silencers and damper units (LDS)
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REPUS® nozzles provide even air distribution even at high airflow rates
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Possibility for both mixing and stratification ventilation
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Energy-efficient design with high recovery rate
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Cleanable unit with easily accessible nozzles
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Can be mounted free-hanging, along a wall, or integrated into a suspended ceiling
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L-profile available for mounting suspended ceilings directly to the nozzle duct
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Nipples, end caps, and clamps are supplied painted in the same color as the unit
AMA Text for Design
TDxx Nozzle duct of type DKS or equivalent.
- REPUS® nozzles that utilize both dynamic and static pressure for even air distribution
- Cover caps and air deflectors must be able to be installed afterwards for adjustment of airflow rate and air distribution pattern
- Cleanable unit with painted nipples, end caps, and clamps
- Galvanized sheet metal, powder-coated RAL 9003 gloss 30%
- Accessories – painted bends (DKB), T-piece (DKT), longitudinally seamed duct (DKK)
Product designation
DKS.bbb.cc.d.e | DKB.bbb.xx (xx = bend degree) | DKT.bbb.bbb|DKK.bbb.cc
Use our configurator for dimensioning DKS systems adapted to your project’s specific needs.
Flexible air distribution pattern
Cover caps and air deflectors enable adjustment of the air distribution pattern.
Maintenance-free design
REPUS® nozzles ensure even air distribution over time.