科禄格BDB风机样本.docx

科禄格BDB风机样本.docx

《科禄格BDB风机样本.docx》由会员分享，可在线阅读，更多相关《科禄格BDB风机样本.docx（38页珍藏版）》请在冰豆网上搜索。

科禄格BDB风机样本

BDB

DOUBLE

INLETCENTRIFUGALFANwithBackwardWheels

BDBSeries

DOUBLEINLETCENTRIFUGALFANwithBackwardWheels

KrugerVentilationIndustriescertifiesthattheBDBseriesshownhereinislicensedtobeartheAMCASeal.TheratingsshownarebasedontestsandproceduresperformedinaccordancewithAMCA

publication211andAMCApublication311andcomplywiththerequirementsoftheAMCACertifiedRatingsProgram.

BDBSeries

DoubleInletCentrifugalFans–Backwardwheels

TheBDBseriesisDIDWcentrifugalfanswithhighefficiencynon-overloadingbackwardcurvedimpellers.Thefansaresuitableforsupplyorextractapplicationsincommercial,processandindustrialHVACsystems.SizesofthisseriesareinaccordancewithAMCAstandard99-0098-76R20.

Type/OperatingLimit

Model315to710

TypeS-CI

Model800to1400

TypeT

II

ITypeXIIIII

TypeZ

III

TypeS

Thistypeissuppliedwithmountingfeetandcanbemountedinthreedifferentorientations.TheconstructionismainlyforOEMapplicationwhichonlysubjecttotestingandapproval.

FanSize:

315to710

Volume:

1900to50000m3/hTotalPressure:

upto2000Pa

TypeC

Thistypehasaframefittedonbothsidesofthefanwhichgivesbetterstrengthandrigidity.Itallowsmountinginfourdifferentorientations.

FanSize:

315to710

Volume:

1900to50000m3/h

TotalPressure:

upto2000Pa

TypeT

Thistypehasaweldedframegivingincreasedstiffnessandrigidityrequiredforhigheroperatingperformance.

FanSize:

315to1400

Volume:

1900to190000m3/hTotalPressure:

upto2500Pa

TypeX/Z

ThestructureissimilartotypeTbututilizesenhancedbearingstosupporthigherdynamicloadnecessaryfortheincreasedperformance.

FanSize:

315to1400

Volume:

1900to260000m3/hTotalPressure:

upto3200Pa

TypeZisnon-standard,formoreinformation,pleaseconsultyournearestKrugerOfficefordetails.

Eachfantypehasitsmaximumoperatingspeedandpowerduetoitsmechanicaldesign.

TheoperatinglimitofBDBseries-fantypeis

designtomeettherequirementofclassI,IIandIIIlimitasdefinedinAMCAstandard99-2408-69.

TheBDBseriesisavailableintypeS,C,T,XorZ.

2

BDBTwinFan

BDBseriesarealsoavailableintwinfanversion,withtwodoubleinletfansmountedonthesameshaft.Toselectfortwinfans,usethecurvesofsinglefanwiththefollowingfactors:

-

Volumex2

AbsorbedPowerx2.15

Speedx

1.05

Noise+3dB

ThisseriesisavailableintypeS2,C2orT2

TECHNICALSPECIFICATION

Wheel

ThewheelofBDBseriesismadeofcoldrolledsheetsteelbackwardcurved

bladeswithpolyesterpowdercoatingfinish.

Housing

Forallsizesexcept1250andabove,thehousingismanufacturedingalvanized

sheetsteelwiththehousingfixedtothesideplatesin"pittsburglock"form

system.

Housingsfor1250and1400aremanufacturedinmildsteelfinishedwith

polyesterpowdercoating.

Fullyweldedhousingsareavailableuponrequest.

Frame

Theframeismanufacturedwithgalvanizedangularbarsfortype"C".Fortype

"T"and"X",theyaremanufacturedwithsectionsofsteelandfinishedwith

polyesterpowdercoating.

Shaft

ShaftsaremanufacturedfromC45carbonsteelusinganautomaticprocessfor

positioningandcuttingofthekeyways.Alldimensionaltolerancesoftheshaft

arefullycheckedtoensureaprecisionfitandthencoatedwithananti-

corrosionvarnishafterassembly.

PerformancesofTwinfansarenotAMCAlicensed.

3

Bearings

Bearingsusedareeitherdeepgrooveballbearingtypewithanadaptorsleeveorsphericalrollerbearingstypesealedatbothsidesfordifferentdutyapplicationclassifiedasbelow:

Thebearingsarelubricatedforlifeandmaintenance-free.Ifre-lubricationisnecessary,itisrecommendedtousealithiumbasegreasesuitableforalltemperatureswithintheoperationallimits.

BalancingQuality

AllwheelsarestaticallyanddynamicallybalancedtoISO1940andAMCA204–G2.5standards.

Allfansafterassemblyaretrim-balancedtoISO1940andAMCA204-G2.5standard.

CleanroomapplicationfanswithbalancinggradeofG1.0areavailableuponrequest.

ACCESSORIES

CasingDrain

Thisoptionisavailablewhenusingfansexposedtotheatmosphereoroperatinginhighhumidityconditions.

OutletFlanges

Outletflangesareavailableuponrequest.

InspectionDoors

Theinspectiondoorcanbesupplieduponrequest.Itcanbesuppliedinoneofthethreepositions（P3,P4&P5.

Guards

Inletguards,dischargeguardsandnon-driveendshaftguardsareavailableonrequest.

4

BDBSeries

FanRotationandDischarge

TherotationanddischargeofthefanisinaccordancewithAMCAstandard99-2406-83.Thedirectionofrotationisdeterminedfromthedrivesideofthefan:

-

MotorPosition

Thepositionofthemotorforbeltdrivecentrifugalfanisin

accordancewithAMCAstandard99-2407-66.

LocationofmotorisdeterminedbyfacingthedrivesideoffananddesignatingthepositionsbylettersW,X,Y,orZ.

MotorSelection

ThepowercurveshownoneachperformancecurverepresentstheabsorbedpowerattheshaftofthefanmeasuredinkW.

Todeterminethepowerofthemotortobeinstalled,acorrectionfactorsshouldbeappliedtocompensatefortransmissionlosses.

Forconversiontohorsepower（HP,usemultiplyingfactor1.34.

InletVaneControl

Theinletvanecontrolenableenergysavingthatvariesaccordingtothevanecontrolcomparedtotraditionalmethodsofvolumecontrol.

Fig.1showsthevolumereductioncorrespondingtothevaneposition.

-withvanefullyopen（Pos90°

thevolumewillbe3%lessthanthecatalogueperformance.

-withvanefullyclosed（Pos0°

thevolumewillbereducedby75%.

PerformancesofInletvanecontrolsarenotAMCAlicensed.

5

BDBSeries

IVCorientationandaccessories

ThestandardorientationandlevelpositionfortheIVCisindicatedinFig.2.WhenorderingacompletefanwithIVCandaccessories,pleasespecifyasfollows:

Fanorientatione.g.CCW270IVCleverpositione.g.Pos.45o

Example:

FanModel–CCW270/P45

Fig.2-IVCOrientationandLevelPosition

DynamicPressure

Thedynamicpressureandoutletairvelocityshownoneachcurvearebothcalculatedonthefullairdischargearea,i.e.ductedoutletconditions.

Withfreeoutletconditionsthevelocitypressureishigher.Todeterminethisnewvaluemultiplythevelocitypressureoftheductedoutletobtainedfromthefancurvebythefollowingcorrectionfactor“K”.

FanperformancescalculatedwiththiscorrectionfactorsarenotlicensedbyAMCA.

Performance

TheperformancedatashownoneachdiagramhasbeentestedandmeasuredinaccordancetoAMCAStandard210–

Fig12–installationtypeB（freeinletandductedoutletcondition.

Ratingarereferredtothestandardairdensitywiththetotalpressureasafunctionoftheairvolume,usinglogarithmicscales.

Itisessentialthat,thesameinstallationtypeandteststandardsareusedatalltimes,whencomparingfanperformances.

Noise

Thenoiselevelshownoneachdiagramrefertothesoundpower"A-weighted"andthedataontheinletsidehasbeenmeasuredinaccordancewithAMCAStandard300diag.2-configuration"B".Thenoiselevelsofthefansaredeterminedasfollows:

Soundpowerlevel-（"A"scale:

Lw（Aascatalogue

Octavebandspectrum:

Lw=Lw（A+Lwrel.dB[refertoKrugerformoredetails]

Soundpressurelevel:

afreefield

Lp（A=Lw（A-（20log10d-11

broomconditions

Lp（A=Lw（A-（20log10d-7

whered=distanceoffan（m

Fig.1

K=1.67

6

BDBSeries

ExampleofSelection

AirVolumeQ=14760m3/h

OutletVelocityV=10.07m/s

DynamicPressurePd=62Pa

TotalPressurePt=1515Pa

FanSpeedN=1900rpm

AbsorbedPowerW=8kW

TotalEfficiencyη=78%

SoundPowerLevelLw（A=90.3dB（A

7

8

9

10

11

12

13

14

15

16

17

18

BDB315-400‘S’

BDB‘S’

d

ModelABCDEFGJKLMh1h2h3SLSMuxs450500560630710AllDimensionsinmm.

BDB315-400‘C’

BDB‘C’

d

ModelABCDEFGHJKLMPRCLCMuxs315355400AllDimensionsinmm.

d

ModelABCDEFGHJKLMPRTLTMuxs

315355400AllDimensionsinmm.

BDB1120-1400‘T’

d

ModelABCDEFGHJKLMNPR

TLTM

uxs

AllDimensionsinmm.

19

BDB450-1000‘XM’

BDB‘X’

ModelABCDEFGHJKLMPRduxs

31513x1835513x18400

13x18AllDimensionsinmm.

ModelABCDEFF1GHJKLMPRduxs

12301000

136619

ModelABCDEFGHJKLMNPRduxs

BDB1120-1400‘XX’

19

BDB315-400‘S2M’

BDB‘S2’

BDB450-500‘S2M’

ModelABCDEFGJKLMVXh1h2h3duxs

14921542

AllDimensionsinmm.

ModelABCDEFGJKLMVXh1h2h3duxs

45016661726

500

18561916

AllDimensionsinmm.

19

BDB‘C2’

19

.

BDB‘T2’

ModelABCDEFGHJKLMPRVXduxs

14921627AllDimensionsinmm.ModelABCDEFF1GHJKLM

PRVXduxs

4508277266811801135500918

800

1157998

945

2470140

AllDimensionsinmm.

dt

2587

3087

35

40

45

50

55

60

70

75

80

85

90

AllDimensionsinmm.

90°/270°

360°

Model

MotorFrameSize

C（90°

C（270°

L

W

H

*Wt（kg

*Wt

（kg

315

355

71400

450

500

560

630

710

*Theaboveweightdoesnotincludemotoranddriveunitasthesewillvarywithsupplier.OVERALLDIMENSION–BDB“S”SERIES

AllDimensionsinmm.

90°/270°

360°

Model

MotorFrameSize

C（90°

C（270°

L

W

H

*Wt（kg

*Wt

（kg

63080630630630630630702702702702702702756756756756756756756844844844844844844954954954954954954103