科禄格BDB风机样本

BDBDOUBLEINLETCENTRIFUGALFANwithBackwardWheelsBDBSeriesDOUBLEINLETCENTRIFUGALFANwithBackwardWheelsKrugerVentilationIndustriescertifiesthattheBDBseriesshownhereinislicensedtobeartheAMCASeal.TheratingsshownarebasedontestsandproceduresperformedinaccordancewithAMCApublication211andAMCApublication311andcomplywiththerequirementsoftheAMCACertifiedRatingsProgram.BDBSeriesBDBSeriesDoubleInletCentrifugalFans–BackwardwheelsTheBDBseriesisDIDWcentrifugalfanswithhighefficiencynon-overloadingbackwardcurvedimpellers.Thefansaresuitableforsupplyorextractapplicationsincommercial,processandindustrialHVACsystems.SizesofthisseriesareinaccordancewithAMCAstandard99-0098-76R20.Type/OperatingLimitModel315to710TypeS-CIModel800to1400TypeTIIITypeXIIIIITypeZIIITypeSThistypeissuppliedwithmountingfeetandcanbemountedinthreedifferentorientations.TheconstructionismainlyforOEMapplicationwhichonlysubjecttotestingandapproval.FanSize:315to710Volume:1900to50000m3/hTotalPressure:upto2000PaTypeCThistypehasaframefittedonbothsidesofthefanwhichgivesbetterstrengthandrigidity.Itallowsmountinginfourdifferentorientations.FanSize:315to710Volume:1900to50000m3/hTotalPressure:upto2000PaTypeTThistypehasaweldedframegivingincreasedstiffnessandrigidityrequiredforhigheroperatingperformance.FanSize:315to1400Volume:1900to190000m3/hTotalPressure:upto2500PaTypeX/ZThestructureissimilartotypeTbututilizesenhancedbearingstosupporthigherdynamicloadnecessaryfortheincreasedperformance.FanSize:315to1400Volume:1900to260000m3/hTotalPressure:upto3200PaTypeZisnon-standard,formoreinformation,pleaseconsultyournearestKrugerOfficefordetails.Eachfantypehasitsmaximumoperatingspeedandpowerduetoitsmechanicaldesign.TheoperatinglimitofBDBseries-fantypeisdesigntomeettherequirementofclassI,IIandIIIlimitasdefinedinAMCAstandard99-2408-69.TheBDBseriesisavailableintypeS,C,T,XorZ.2BDBSeriesBDBTwinFanBDBseriesarealsoavailableintwinfanversion,withtwodoubleinletfansmountedonthesameshaft.Toselectfortwinfans,usethecurvesofsinglefanwiththefollowingfactors:-Volumex2AbsorbedPowerx2.15Speedx1.05Noise+3dBThisseriesisavailableintypeS2,C2orT2TECHNICALSPECIFICATIONWheelThewheelofBDBseriesismadeofcoldrolledsheetsteelbackwardcurvedbladeswithpolyesterpowdercoatingfinish.HousingForallsizesexcept1250andabove,thehousingismanufacturedingalvanizedsheetsteelwiththehousingfixedtothesideplatesinpittsburglockformsystem.Housingsfor1250and1400aremanufacturedinmildsteelfinishedwithpolyesterpowdercoating.Fullyweldedhousingsareavailableuponrequest.FrameTheframeismanufacturedwithgalvanizedangularbarsfortypeC.FortypeTandX,theyaremanufacturedwithsectionsofsteelandfinishedwithpolyesterpowdercoating.ShaftShaftsaremanufacturedfromC45carbonsteelusinganautomaticprocessforpositioningandcuttingofthekeyways.Alldimensionaltolerancesoftheshaftarefullycheckedtoensureaprecisionfitandthencoatedwithananti-corrosionvarnishafterassembly.TypeC2Size:315to500Vol.:5000to50000m3/hTypeT2Size:355to630Vol.:10000to80000m3/hPerformancesofTwinfansarenotAMCAlicensed.TypeS2Size:315to500Vol.:5000to50000m3/h3BDBSeriesBearingsBearingsusedareeitherdeepgrooveballbearingtypewithanadaptorsleeveorsphericalrollerbearingstypesealedatbothsidesfordifferentdutyapplicationclassifiedasbelow:MountedinarubberhousingMountedoncastironsupportswithgreasepointFanTypeBearingDutyeg.Model:BDB450CMThebearingsarelubricatedforlifeandmaintenance-free.Ifre-lubricationisnecessary,itisrecommendedtousealithiumbasegreasesuitableforalltemperatureswithintheoperationallimits.BalancingQualityAllwheelsarestaticallyanddynamicallybalancedtoISO1940andAMCA204–G2.5standards.Allfansafterassemblyaretrim-balancedtoISO1940andAMCA204-G2.5standard.CleanroomapplicationfanswithbalancinggradeofG1.0areavailableuponrequest.ACCESSORIESCasingDrainThisoptionisavailablewhenusingfansexposedtotheatmosphereoroperatinginhighhumidityconditions.OutletFlangesOutletflangesareavailableuponrequest.InspectionDoorsTheinspectiondoorcanbesupplieduponrequest.Itcanbesuppliedinoneofthethreepositions(P3,P4&P5).GuardsInletguards,dischargeguardsandnon-driveendshaftguardsareavailableonrequest.P5P3P4SCTXSMMediumDutyTMMediumDutyCMMediumDutyXMMediumDutyTXExtraHeavyDutyFanBearingDuty(L,M,X)FanType(S,C,T,X,Z)FanSize(315,355,400…1400)XXExtraHeavyDuty4BDBSeriesFanRotationandDischargeTherotationanddischargeofthefanisinaccordancewithAMCAstandard99-2406-83.Thedirectionofrotationisdeterminedfromthedrivesideofthefan:-CW-clockwiserotationCCW-counter-clockwiserotationMotorPositionThepositionofthemotorforbeltdrivecentrifugalfanisinaccordancewithAMCAstandard99-2407-66.LocationofmotorisdeterminedbyfacingthedrivesideoffananddesignatingthepositionsbylettersW,X,Y,orZ.MotorSelectionThepowercurveshownoneachperformancecurverepresentstheabsorbedpowerattheshaftofthefanmeasuredinkW.Todeterminethepowerofthemotortobeinstalled,acorrectionfactorsshouldbeappliedtocompensatefortransmissionlosses.Forconversiontohorsepower(HP),usemultiplyingfactor1.34.InletVaneControlTheinletvanecontrolenableenergysavingthatvariesaccordingtothevanecontrolcomparedtotraditionalmethodsofv