Swirl diffusers

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layer

TDV-SilentAIR

Circular and square ceiling swirl diffusers

  • Nominal sizes 300, 400, 500, 600, 625
  • Volume flow rate range 11 – 315 l/s or 40 – 1134 m³/h
  • 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, and with an extended border also suitable for freely suspended installation
  • High induction results in a rapid reduction of the temperature difference and airflow velocity
  • Air control blades can be adjusted individually for adjusting the air pattern
  • Ideal for comfort zones


Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours, air control blades in black or white
  • Horizontal or vertical duct connection
  • Plenum box with cord-operated damper blade and pressure tap
  • Acoustically optimised plenum box FLEXTRO

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layer

RFD

Circular and square ceiling swirl diffusers

  • Nominal sizes 125, 160, 200, 250, 315, 400
  • Volume flow rate range 4 – 330 l/s or 14 – 1188 m³/h
  • Diffuser face made of galvanised sheet steel, powder-coated, or of aluminium (depending on variant)
  • For supply and extract air
  • For variable and constant volume flows
  • For all types of ceiling systems
  • With discharge nozzle ideal for cooling in case of freely suspended installation
  • High induction results in a rapid reduction of the temperature difference and airflow velocity
  • Air change rates of up to 35 per hour can be achieved by arranging several diffusers in a row with a minimum pitch of 0.9 m (centre line to centre line)
  • Ideal for comfort zones


Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours
  • Horizontal or vertical duct connection
  • Plenum box with cord-operated damper blade and pressure tap
  • Shallow plenum box

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layer

AIRNAMIC

Circular and square ceiling swirl diffusers with fixed air control blades, for high volume flow rates at low sound power levels and low differential pressure due to innovative polymer technology

  • Nominal sizes 300, 400, 600, 625
  • Volume flow rate range 13 – 385 l/s or 47 – 1386 m³/h
  • Plastic diffuser face with overlapping, three-dimensionally profiled blades, for the most efficient swirl and high induction
  • For supply and extract air
  • For variable and constant volume flows
  • For all types of ceiling systems, and with an extended border also suitable for freely suspended installation
  • Diffuser face with gently sloped, flat border – only 3 mm high
  • Plenum box with acoustically optimised and lockable damper blade
  • Ideal for comfort zones


Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours
  • Acoustically optimised plenum box FLEXTRO

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layer

VDW

Circular and square ceiling swirl diffusers for high room air change rates

  • Nominal sizes 300, 400, 500, 600, 625, 825
  • Volume flow rate range 7 – 470 l/s or 25 – 1692 m³/h
  • 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, and with an extended border also suitable for freely suspended installation
  • High induction results in a rapid reduction of the temperature difference and airflow velocity
  • Air change rates of up to 35 per hour can be achieved by arranging several diffusers in a row with a minimum pitch of 0.9 m (centre line to centre line)
  • Ideal for comfort zones


Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours, air control blades in black or white
  • Horizontal or vertical duct connection
  • Plenum box with cord-operated damper blade and pressure tap
  • Acoustically optimised plenum box FLEXTRO

read more

layer

VDL

Circular ceiling swirl diffusers, with manual or motorised adjustment of the air pattern to ensure draught-free ventilation of the occupied zone both in heating and cooling modes

  • Nominal sizes 315, 400, 630, 800
  • Volume flow rate range 65 – 1080 l/s or 234 – 3888 m³/h
  • Diffuser face made of galvanised, powder-coated sheet steel and of aluminium
  • For supply air
  • For variable and constant volume flows
  • High induction results in a rapid reduction of the temperature difference and airflow velocity
  • Discharge direction can be adjusted manually or with an actuator
  • Diffuser face with aerodynamically optimised contours
  • Ideal for high rooms


Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours
  • Horizontal or vertical duct connection
  • An extended border improves the horizontal air discharge in cooling mode
  • Protective cage for use in gymnasiums
  • Actuators for adjusting the air discharge direction
  • Diffuser face can be removed from the room side

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layer

AK-Uni

Plenum boxes for supply air and extract air

  • For circular and square diffuser faces
  • Plenum box made of galvanised sheet steel
  • For supply and extract air
  • For all types of ceiling systems
  • Horizontal duct connection
  • Equalising element that ensures a uniform airflow through the diffuser face (supply air variant)
  • For comfort zones and industrial zones


Optional equipment and accessories

  • Damper blade for volume flow rate balancing
  • Pressure tap and cord-operated damper blade for volume flow rate balancing
  • Lip seal

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layer

FLEXTRO

Flexible plenum boxes for supply air and extract air

  • For circular and square diffuser faces
  • Plenum box made of plastic and galvanised sheet steel
  • For supply and extract air
  • For all types of ceiling systems
  • Horizontal duct connection
  • Equalising element that ensures a uniform airflow through the diffuser face (supply air variant)
  • With acoustically optimised and lockable damper blade
  • Spigot with double lip seal
  • Up to 50 % less weight
  • Approximately 60 % less transport and storage space required
  • For comfort zones and industrial zones

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layer

FDE

Square ceiling swirl diffusers

  • Nominal sizes 600, 625
  • Volume flow rate range 51 – 365 l/s or 184 – 1314 m³/h
  • 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
  • High induction results in a rapid reduction of the temperature difference and airflow velocity


Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours
  • Plenum box with cord-operated damper blade and pressure tap

read more

Please select your disired product properties:
With very low sound power level for comfort zones and individually manually adjustable air control blades Type TDV-SilentAIR

TDV-SilentAIR

With very low sound power level for comfort zones and individually manually adjustable air control blades

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With low sound power level for comfort and industrial zones, with fixed air control blades Type RFD

RFD

With low sound power level for comfort and industrial zones, with fixed air control blades

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For the most demanding requirements of technical function, comfort, and design Type AIRNAMIC

AIRNAMIC

For the most demanding requirements of technical function, comfort, and design

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With low sound power level for comfort zones, with individually manually adjustable air control blades Type VDW

VDW

With low sound power level for comfort zones, with individually manually adjustable air control blades

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For high rooms, with adjustable air control blades Type VDL

VDL

For high rooms, with adjustable air control blades

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Universal plenum box, available in many variants Type Uni-AK

AK-Uni

Universal plenum box, available in many variants

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Flexible plenum boxes requiring less transport and storage space Type FLEXTRO

FLEXTRO

Flexible plenum boxes requiring less transport and storage space

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For high volume flow rates, with fixed air control blades Type FDE

FDE

For high volume flow rates, with fixed air control blades

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For more refined comfort zones with special demands on architecture and design, with fixed air control blades Type XARTO

XARTO

For more refined comfort zones with special demands on architecture and design, with fixed air control blades

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For high rooms, with adjustable air control blades Type VD

VD

For high rooms, with adjustable air control blades

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

DCS

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

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For the creative design of ceilings in comfort zones, with fixed air control blades Type ADD

ADD

For the creative design of ceilings in comfort zones, with fixed air control blades

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With very low sound power level for comfort zones, with fixed air control blades Type TDF-SilentAIR

TDF-SilentAIR

With very low sound power level for comfort zones, with fixed air control blades

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For comfort zones, with fixed air control blades Type FD

FD

For comfort zones, with fixed air control blades

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VISUALISATION OF AIR FLOW - SWIRL DIFFUSER

In TROX Air flow studio, the flow behavior of the air with various air distribution system is made impressively visible. The introduction of smoke in an authentic situation with space heat load simulators shows real flow patterns.

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Please specify your message and type of request.
Tel.: +43 1 250 43-0 | Fax: +43 1 250 43 34

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Contact

Thank you for your message!

Visual contact Visual contact

Your message is send and will be processed shortly.
Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +43 1 250 43-0| Fax: +43 1 250 43 34