Swirl diffusers

Product finder

layer

RFD

Circular and square ceiling swirl diffusers

  • Nominal sizes 5, 6, 8, 10, 12, 16 in
  • Volume flow rate range 8.2 - 770 cfm
  • 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 3 ft (center line to center line)
  • Ideal for comfort zones


Optional equipment and accessories

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

read more

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 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

  • Very high room air change rate due to row arrangement with a minimum pitch distance of 0.9 m

  • Ideal for comfort zones

  • Circular diffuser faces can be easily mounted without tools in a circular plenum box with horizontal spigot

 

Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours, air control blades in black or white

  • Horizontal or vertical duct connection

  • Square plenum box with cord-operated damper unit and pressure tap

 

 

 


read more

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 160, 250, 300, 400, 600, 625

  • Volume flow rate range 5 – 385 l/s or 16 – 1386 m³/h

  • Plastic diffuser face with overlapping, three-dimensionally contoured 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

  • Spigot for nominal sizes 160 and 250 allows for quick, simple and direct connection to the ductwork

  • Diffuser face with bayonet fixing (no tools required) available for nominal size 160 or 250 and with a spigot

 

 

Optional equipment and accessories

  • Exposed diffuser face available in RAL CLASSIC colours

 

 

 


read more

layer

AK-Uni


 

Standard plenum box for supply and extract air for square diffuser faces and for all type TDV, RFD, TID, ADLQ, DLQ, ADLR and DLQL diffusers. 

  • Plenum box made of galvanised sheet steel
  • For all types of ceiling systems
  • Horizontal duct connection
  • Permanent equalising element that ensures an optimum airflow through the diffuser face (supply air variant)
  • For comfort zones and industrial zones

 

Optional equipment and accessories

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

 

 

 


read more

layer

DCS

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

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

read more

layer

TDV-SilentAIR

Circular and square ceiling swirl diffusers

  • Nominal sizes 12, 16, 20, 24 in
  • Volume flow rate range 23 - 627 cfm
  • Diffuser face made of galvanized 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 colors, air control blades in black or white
  • Horizontal or vertical duct connection
  • Plenum box with cord-operated damper blade and pressure tap

read more

layer

XARTO

 


Circular and square ceiling swirl diffusers for high volume flow rates at low sound power levels and low differential pressure


  • Nominal sizes 600, 625
  • Volume flow rate range 31 – 265 l/s or 110 – 954 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
  • Swirl unit inside for the best swirl effect and high induction levels
  • 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

 


 


 

read more

Please select your disired product properties:
With low sound power level for comfort and industrial zones, with fixed air control blades RFD

RFD

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

read more

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

VDW

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

read more

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

AIRNAMIC

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

read more

Universal plenum box, available in many variants Uni-AK

AK-Uni

Universal plenum box, available in many variants

read more

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

DCS

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

read more

For high rooms, with adjustable air control blades VDL

VDL

For high rooms, with adjustable air control blades

read more

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

TDV-SilentAIR

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

read more

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

XARTO

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

read more

For high rooms, with adjustable air control blades VD

VD

For high rooms, with adjustable air control blades

read more

For comfort zones, with fixed air control blades FD

FD

For comfort zones, with fixed air control blades

read more

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

TDF-SilentAIR

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

read more

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.

production {"X-Frame-Options"=>"SAMEORIGIN", "X-XSS-Protection"=>"1; mode=block", "X-Content-Type-Options"=>"nosniff", "X-Download-Options"=>"noopen", "X-Permitted-Cross-Domain-Policies"=>"none", "Referrer-Policy"=>"strict-origin-when-cross-origin", "Strict-Transport-Security"=>"max-age=31536000; includeSubDomains", "Content-Type"=>"text/html; charset=utf-8"}

Share page

Recommend this page

Recommend this page by sending a link by mail.

Fields marked with an (*) are required fields.

Share page

Thank you for your recommendation!

Your recommendation has been sent and should arrive shortly.

Contact

We are here for you

Please specify your message and type of request.
Tel.: +60 6 678 8188 | Fax: +60 6 678 8288 (388)

Attachment (max. 10MB)

Fields marked with an (*) are required fields.

Contact

Thank you for your message!

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.: +60 6 678 8188 | Fax: +60 6 678 8288 (388)

Contact

We are here for you

Please specify your message and type of request.
Tel.: +60 6 678 8188 | Fax: +60 6 678 8288 (388)

Attachment (max. 10MB)

Fields marked with an (*) are required fields.

Contact

Thank you for your message!

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.: +60 6 678 8188 | Fax: +60 6 678 8288 (388)