TROX North America, LLC

VDW

WITH LOW SOUND POWER LEVEL FOR COMFORT ZONES, WITH INDIVIDUALLY MANUALLY ADJUSTABLE AIR CONTROL BLADES 

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