Circular air diffuser VDW

squareceilinginduction

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 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