Swirl Diffusers-we.. - Air Diffusion

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Model OD-8Ceiling Swirl DiffusersModel Types andDimensionsModel OD-8/K1 – swirldiffuser with radial patternslots having adjustableinternal deflectors, within asquare ceiling panel and asingle central fixing position.Model OD-8/K4 – swirldiffusers with radial patternslots having adjustableinternal deflectors, within asquare ceiling panel and fourfixing positions (one in eachcorner of ceiling plate).Model OD-8/R1 – swirldiffuser with radial patternslots having adjustableinternal deflectors, within acircular ceiling panel and asingle central fixing position.Model OD-8/R4 – swirldiffusers with radial patternslots having adjustableinternal deflectors, within acircular ceiling panel and fivefixing positions (four along theedge and one central in theceiling plate, sizes 800/72 and825/72 only).Each model type may besupplied with the differentinstallation methods, (specifyseparately as required).OD-8 K300/8OD-8 R300/8DØDD400/16, 500/16600/16, 625/16 500/24600/24, 625/24 625/54DD400/16, 500/16600/16, 625/16 500/24600/24, 625/24Size ØD D A ef (m 2 )300/8 300 298 0.009464400/16 400 398 0.018928500/16 500 498600/16 600 598625/16 625 623500/24 500 498 0.028392600/24 600 598 0.044928625/24 625 623600/48 600 598 0.056784625/54 625 623 0.063882800/72 800 798 0.101712825/72 825 823A ef (m 2 ) - effective discharge area (m 2 )DDØD ØD ØDOD-8 K600/48 800/72, 825/72OD-8 RDDD625/54600/48 800/72, 825/72ØDDDØDDØDDDC3 x C3ØD3SizeC3300/8 K 298400/16 K 398500/16 K 498600/16 K 598625/16 K 623500/24 K 498600/24 K 598625/24 K 623600/48 K 598625/54 K 623800/72 K 798825/72 K 823Size ØD3300/8 R 300400/16 R 400500/16 R 500600/16 R 600625/16 R 625500/24 R 500600/24 R 600625/24 R 625600/48 R 600625/54 R 625800/72 R 800825/72 R 82526
Ceiling Swirl DiffusersModel OD-8Ordering InformationExampleModel Type Fixing Location Function Finish SizeOD-8 K1 83 600/24Model OD-8 – swirl diffuser withcurved radial pattern slots havingadjustable internal deflectors,within a square or circular ceilingpanel.K1 – Square Diffuser –single central fixingpositionK4 – Square Diffuser –four fixing positionsR1 – Circular Diffuser –single central fixingpositionR4 – Circular Diffuser –five fixing positions (sizes800/72 and 825/72 only)Z – SupplyA – Extract(Internal deflectorsomitted on extract)83 – WhiteRAL9010Polyester Powder(30% Gloss)300/8400/16500/16600/16625/16500/24600/24625/24600/48625/54800/72825/72(Please state separatelyif no fixings are required.)Important Note: If the overall size is critical then it must be clearly stated on the order.All orders must be addressed to AIR DIFFUSION, Ruskin Air Management Limited.Performance DataHLQ∆tzA,B∗V H1∆t LQ∆tzLx1.8mH1V L∆t L∗Q (m 3 /h) Air flowx (m) Horizonal distance to the wallH (m) Room heightH1 (m) Distance from ceiling to occupied zoneL (m) Throw distance (L=H1 + x)V L (m/s) Air velocity at the throw distance L∆t z (K) Temperate difference between the supplyand room air∆t L (K) Difference between the core and room airtemperature∆p t (Pa) Pressure dropL WA (db(A)) Sound power levelV H1 (m/s) Air velocity at the H1 distanceA, B (m) Distance between diffusers by length andby widthContinued on next page27
Page 1 and 2: May 2005Ceiling Swirl DiffusersAir
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