Circular air diffuser RFD

squareceilinginduction

WITH LOW SOUND POWER LEVEL FOR COMFORT AND INDUSTRIAL ZONES, WITH FIXED AIR CONTROL BLADES 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