Ceiling air diffuser VDW

squarecircular

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 Ceiling swirl diffusers with square or circular diffuser face. Supply air and extract air variants for comfort zones, for a maximum air change rate of 35 per hour. Diffuser face with individually manually adjustable air control blades for horizontal swirling supply air discharge creating high induction levels. For installation into all types of suspended ceilings. Ready-to-install component which consists of the diffuser face with radially arranged, individually adjustable black or white air control blades, and of a plenum box, equalising element (only supply air variants), side entry or top entry spigot, cross bar, and suspension holes or suspension lugs.