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Inosculatinginnovativetechnologies,interpretingtheartoffluid![PRODUCTCATALOG2009]SSERIESSINGLE-STAGEDOUBLE-SUCTIONHORIZONTALSPLITCENTRIFUGALPUMPSTypepumpfiguredimensiontableSTypedouble-suctioncentrifugalpumpinstallationdimensiondrawing(withfoundation)24STypepumpwithytypemotorinstallationdimensiontable(withfoundation)25STypedouble-suctioncentrifugalpumpinstallationdimensiondrawing(withoutfoundation)27STypepumpsparepartstable39Ŀ¼CONTENTS112258133719GeneralAboutthestructureAssemblyanddisassemblyInstallationStartstopandrunFailurescausesandtroubleshootingSModelpumpstructuraldrawingSTypepumpperformancedataSTypepumpperformancecurveSTypepumpfiguredimensiondrawing201ModelmeaningBothpumpcasingandcoverformtheworkingchamberoftheimpellerandtherearethreadedholesformountingvacuumandpressuremetersontheflangesatbothinletandoutletandforwaterdrainingonthelowersideofthem.Theimpellerisstatic-balancecalibrated,fixedwiththem-uffandthemuffnutsinbothsidesanditsaxialpositioncanbeadjustedviathenutsandaxialforcegetsbalancedbymeansofthesymmetricalarrangementofitsblades,theremayberesidualaxialforcewhichisbornebythebearingattheaxleend.Thepumpshaftissupportedbytwosingle-columncentripe-talballbearings,whicharemountedinsideofthebearingbodyonbothendsofthepumpandlubricatedwithgrease.Thedual-suctionsealringisusedtoreducetheleakattheimpeller.Bothinletandoutletofthispumpareplacedundertheaxialline,horizontallyandverticaltotheaxialline,thepumpcasingisopenedinthemiddlesoitisunneccessarytoremovethewaterinletandoutletpipelinesandmotor(orotherprimemovers).ThepumpmovesCWviewingfromtheclutchtoit.ThepumpmovingCCWcanalsobemade,butitshouldbespeciallynotedatorder.Themainpartsofthepumpare:pumpcasing(1),pumpcover(2),impeller(3),shaft(4),dual-suctionsealring(5),muff(6),be-aring(15)etc.andallofthem,excepttheaxlewhichismadeofqualitycarbonsteel,aremadeofcastiron.Thematerialmaybereplacedwithothersupondifferentmedia.()(1)(2)(3)(4)(5)(6)(15)So80CGB/T3216GB/T5657ModelSpumpisasingle-stagedouble-suctionhorizontalsplitcentrifugalpumpandusedtotransportpurewaterandtheliquidofbothphysicalandchemicalnaturesimilartothoseofwater,themaximumtemperatureofwhichmustnotbeover80,suitableforwatersupplyanddrainageinfactories,mines,citiesandelectricstations,waterloggedlanddrainageandirrigationoffarminglandandcarioushydraulicprojects.ThisseriespumpcomplywiththestandardsofGB/T3216andGB/T5657.150S78AOuterdiameterofimpellerviafirstcut78Head:78mDual-suctioncentrifugalpump150Pump'sinletdiameter:150mm1Checkbothpumpandmotortoseeifanydamageswithth-em.2Theinstallationheightfthepumpplusthehydrauliclossofthesuck-inpipelineanditsspeedenergyisjusttheNPSHaoftheunit,whichshouldbiggerthanNPSHr.Thedimensionsofthebasisshouldbeinlinewiththoseofin-stallationofthepumpunit.3.Installationsequences:Thepumpisdrivendirectlybymeansofconnectingtoitviaanelasticclutch.(Setupastandadditionallyincaseofarubberbanddriving).Theshaftsealispackingsealand,tocoolandlubricatethesealcavityandpreventairfromgettingintothepump,thereisapackingringbetweenthepacking.Asmallvolumeofhigh-pressurewaterflowsintothepackingcavityviathetaperedbeardduringthepump'sworkingtoactasawaterseal.121.Assemblyoftherotor'sparts:inturnmounttheimpeller,muff,muffnut,packingsleeve,packingring,packinggland,mechanicalseal,mechanicalsealbland,waterretainingr-ingandbearingonthepumpshaft,putonthedual-suctionsealringandthentheclutch.2.Checktheoutercirclesoftheimpeller'ssealandthemuffontherotorseparately,theradialjumpingofwhichshouldnotbeoverthesettingsinthetablebelow.Nominaldiameter50501201202502505005008008001250Jumpingcapacity0.030.040.050.060.080.1034()3Mounttherotoronthepumpcasingandadjusttheimpellertohaveitsaxialpositioninthemiddleofthedual-suctionsealringinbothsidesandthenfixed,thenfixtheglandoftheb-earing'sbodywiththefixingscrews.4Putonthepacking(incaseofapackingseal),thepaperpadonthemiddleopenedfaceandthepumpcoverandtightenthethreaded-tailconicalpinfirstandthencover'snut.Mo-untthepackinggland,butdonotpressthepackingtootig-htly,otherwisethemuffmaygetheatedtoleaveabiggerpowerconsumption;whilenottooloose,orabigleakofliquidandreducedpumpefficiencymayresultin.Ifme-chanicalsealisused,adjustcompresscapacityofmecha-nicalsealtoensurenoleakwithit.Afterassembly,movethepumpshaftwithhand,itshouldbesmoothanduniformwithouttouch.Disassemblycanbem-adewiththestepscontrarytoaboveones.12NPSHaNPSHaNPSHr31.Startandstop(1)Beforestarting,movetherotorofthepump,whichshouldbefeltlight,smoothanduniform.(2)Closethewateroutletvalve,primewaterintothepump(le-adwaterbyextractingwithavacuumpumpincaseofnofootvalve).Ensurethepumpfullofwaterandnoairne-stedinsideofit.(1)(2)(3)(4)0.10.3()(5)4567(20)(1)Placethepumpontheconcretebasiswithbuilt-infootbolts,correctthelevelnesswiththemethodadjustingthewedgecushionblockandproperlytightentheboltstopreventthemfromdisplacement.(2)Groutconcretebetweenthebasisandthepumpfoot.(3)Aftertheconcretegetssolidified,tightenthefootboltsandcheckthepump'slevelnessagain.(4)Correcttheconcentricitybetweentheaxlesofbothpumpandmotortohavetheminastraightline.Theallowed
本文标题:单级双吸卧式中开离心泵S系列
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