Swirl Diffusers-we.. - Air Diffusion

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Model OD-8Ceiling Swirl DiffusersPerformance Data ContinuedPressure drop and sound power level diagrams (spigot damper angle 90° - opened 45° - half opened). With plenum box havingequalising grid.OD-8/V300/8 top entry spigotOD-8/VOD-8/VSPG damper position 400/16, 500/16, 600/16, 625/16damper 500/24damperv L (dB(A))60555045403530252045°90°100806043352517138∆Pt (Pa)L WA (dB(A))60555045403530252045°90°100806043352517138∆Pt (Pa)L WA (dB(A))60555045403530252045°90°100806043352517127∆Pt (Pa)100 200 300 400 500Q (m 3 /h)OD-8/S100 200 300 400 500Q (m 3 /h)OD-8/V250 350 500 650 80Q (m 3 /h)OD-8/S400/16, 500/16. 600/16, 625/16 side entry spigot damper 400/16, 500/16, 600/16, 625/16damper 500/24damperv L (dB(A))60555045403530252045°90°100806043352517138∆Pt (Pa)L WA (dB(A))60555045403530252045°90°100806043352517138∆Pt (Pa)L WA (dB(A))60555045403530252045°90°100806043352517127∆Pt (Pa)100 200 300 400 500Q (m 3 /h)OD-8/S400/16, 500/16. 600/16, 625/16 side entry spigot100 200 300 400 500OD-8/VQ (m 3 /h)600/48250 350 500 650 80OD-8/VQ (m 3 /h)625/54v L (dB(A))605550454035302520flap45°90°100806040322516106∆Pt (Pa)L WA (dB(A))60555045403530252045°flap90°100807060423021156∆Pt (Pa)L WA (dB(A))60555045403530252045°flap90°100807060423021156∆Pt (Pa)200 400 500 600 700 800 1000 300 400 500 600 700 800 1200Q (m 3 /h)Q (m 3 /h)OD-8/SOD-8/S600/24, 625/24 side entry spigot600/48300 400 500 700 1000 1200 1500Q (m 3 /h)OD-8/S625/54v L (dB(A))605550454035302520flap45°90°100806540322516108∆Pt (Pa)L WA (dB(A))60555045403530252045°flap90°100807060423021156∆Pt (Pa)L WA (dB(A))60555045403530252045°flap90°100807060423021156∆Pt (Pa)300 400 500 600 700 800 1000Q (m 3 /h)OD-8/V800/72, 825/72 top entry spigot300 400 500 600 700 800 1200Q (m 3 /h)OD-8/S800/72, 825/72300 400 500 700 1000 1200 1500Q (m 3 /h)v WA (dB(A))60555045403530flap45°90°100907050352015∆Pt (Pa)L WA (dB(A))6055504540353045°flap90°110907050352015∆Pt (Pa)2510251020720730600 800 1000 1300 1500 2000Q (m 3 /h)500 800 1000 1300 1500 2000Q (m 3 /h)
Ceiling Swirl DiffusersModel OD-9Model OD-9 Horizontal or Vertical Air Pattern Ceiling Swirl DiffuserVertical dischargeAir discharge - rightAir discharge - lefta. swirl effectb. one-way discharge c. two-way dischargeModel OD-9DescriptionThe Model OD-9 is anadjustable horizontal orvertical air pattern swirldiffuser having a series ofslots in a straight radialformat, within a circular orsquare ceiling panel.Contained in the slots arenylon deflectors, which allowsthe direction of the supply airto be altered from left to rightwhilst also being capable ofadjustment to provide avertical discharge. For extractuse the nylon deflectors areomitted. Typical applicationsinclude most general offices,shops or other commercialareas.Air discharge - leftAir discharge - leftVertical discharge Air discharge - right Air discharge - rightSpecificationMaterialExternal componentsconstructed from steel withinternal deflectors from nylon.Stainless steel also available,please state type of finishrequired, either polished orbrushed, and grade ofmaterial.Installation MethodsFour alternative diffuserinstallation methods areavailable as follows:Single central countersunkscrew hole in circular orsquare ceiling panel diffusers.Four corner positioncountersunk screw holes onsquare and circular ceilingpanel diffusers.Five position countersunkscrew holes for sizes 800/72and 825/72, four on edgesand one central.(Note: Fixing using fourcountersunk screw holes isrecommended for sizes 600,625 and 800).The diffuser may also besupplied plain with no fixingsfor installation by others.Alternatively single fixing barsor angles for duct fixing are byothers.Plenum box supplied withdiffuser.When using a diffuser andplenum box combination, thediffuser is normally fixed to theplenum box by a singlecentral fixing.All installation methods requirediffuser or plenum box /diffuser combination to besupported independently.AccessoriesPurpose designed plenumbox, with spigot damper ifrequired.Filter media can be providedon extract units.FinishWhite polyester powder coatto RAL9010 (30% gloss) to allexternal surfaces, with blacknylon internal deflectors, asstandard. (White deflectorsavailable as an option).Other colours within the RALrange are also available onrequest.Size RangeModels OD-9/KR,OD-9/KK andOD-9/RRSize 310Size 400Size 500Size 600Size 625Size 80031
Page 1 and 2: May 2005Ceiling Swirl DiffusersAir
Page 3: Ceiling Swirl DiffusersIntroduction
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