Square Air Swirl Diffuser - VDW

Features:

• Nominal sizes 12, 16, 20, 24, 25, 33 in.
• Volume flow rate range 14 - 998 cfm
• 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 3 ft (center line to center line)
• 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

Application

• Type VDW ceiling swirl diffusers are used as supply air or extract air diffusers for comfort zones
• Attractive design element for building owners and architects with demanding aesthetic requirements
• 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)
• Individually adjustable air control blades to meet individual requirements
• For variable and constant volume flows
• For supply air to room air temperature differences from –22 to 19°F
• For room heights up to 13 ft (lower edge of suspended ceiling)
• For all types of ceiling systems
• With an extended border also suitable for freely suspended installation (supply air variant)