Type DCS

For horizontal swirling supply air discharge creating high induction levels, with fixed air control blades

Square ceiling swirl diffusers with perforated face plate, for comfort and industrial zones

  • Nominal sizes 600, 625
  • Volume flow rate range 4 – 260 l/s or 16 – 936 m³/h
  • Perforated diffuser face made of galvanised sheet steel, powder-coated
  • For supply and extract air
  • For variable and constant volume flows
  • For all types of ceiling systems, particularly for T-bar ceilings
  • Swirl unit inside, 6 sizes, for the best swirl effect and high induction levels
  • Ideal for comfort zones


Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours
  • Horizontal or vertical duct connection
  • Plenum box with lining

DCS-P-V 00133179_0


  • Application
  • Description

Application

  • Type DCS ceiling swirl diffusers are preferably used as supply air diffusers for comfort and industrial zones
  • Perfect integration with suspended perforated sheet metal ceilings
  • Horizontal swirling supply air discharge for mixed flow ventilation
  • The efficient swirl creates high induction levels, thereby rapidly reducing the temperature difference and airflow velocity (supply air variant)
  • For variable and constant volume flows
  • For supply air to room air temperature differences –12 to +10 K
  • For room heights up to 4 m (lower edge of suspended ceiling)
  • For T-bar ceilings

Special characteristics

  • Horizontal air discharge creating high induction levels
  • Design variants with perforated square or circular diffuser face style
  • For T-bar ceilings
  • Horizontal or vertical duct connection

Nominal sizes

  • Diffuser face: 593, 598, 618, 623
  • Swirl diffuser: 125, 160, 200, 250, 315, 400

Variants

  • DCS-P: Perforated diffuser face
  • DCS-N: Unperforated diffuser face
  • DCS-C: Diffuser face with exposed discharge nozzle


Installation type

  • V: Exposed T-bars
  • H: Concealed T-bars


Connection

  • K: Vertical duct connection, with duct collar
  • US: Vertical duct connection, with transition piece
  • A: Horizontal duct connection, with plenum box
  • AK: Horizontal duct connection, with plenum box and lining

Parts and characteristics

  • Square diffuser face
  • V: For T-bar ceilings with exposed T-bars
  • H: For T-bar ceilings with concealed T-bars
  • Swirl unit with radially arranged fixed air control blades

Construction features

  • Spigot suitable for circular ducts to EN 1506 or EN 13180

Materials and surfaces

  • Diffuser face, discharge nozzle, swirl unit, duct collar and plenum box made of galvanised sheet steel
  • Transition piece made of aluminium
  • Plenum box lining is mineral wool
  • Swirl unit and discharge nozzle dip coated RAL 9005, jet black
  • Diffuser face and discharge nozzle powder-coated RAL 9010, pure white
  • P1: Powder-coated, RAL CLASSIC colour


Mineral wool

  • To EN 13501, fire rating class A1, non-combustible
  • RAL quality mark RAL-GZ 388
  • Biosoluble and hence hygienically safe according to the German TRGS 905 (Technical Rules for Hazardous Substances) and EU directive 97/69/EC
  • Faced with glass fibre fabric as a protection against erosion through airflow velocities of up to 20 m/s
  • Inert to fungal and bacterial growth

Standards and guidelines

  • Sound power level of the air-regenerated noise measured according to EN ISO 5135

Maintenance

  • Maintenance-free as construction and materials are not subject to wear
  • Inspection and cleaning to VDI 6022

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