CENTRIFUGAL PUMP - SPX Flow€¦ · Pump Ws+ 20/15 30/30 44/50 Priming volume litre 1.7 2 3.7 5.2...

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FORM NO.: L453261UK REVISION: 01/2013 CENTRIFUGAL PUMP OPERATING MANUAL Ws+ READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT.

Transcript of CENTRIFUGAL PUMP - SPX Flow€¦ · Pump Ws+ 20/15 30/30 44/50 Priming volume litre 1.7 2 3.7 5.2...

Page 1: CENTRIFUGAL PUMP - SPX Flow€¦ · Pump Ws+ 20/15 30/30 44/50 Priming volume litre 1.7 2 3.7 5.2 Installation of standard pump In the standard Ws+ pump the priming volume of liquid

FOR M NO.: L453261U K R EVI S ION: 01/2013

CE NTR I FUGAL PU M P

OPE RATI NG MAN UAL

Ws+

R EAD AN D U N D E R STAN D TH I S MAN UAL PR IOR TO OPE RATI NG OR S E RVICI NG TH I S PROD UCT.

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Form no.: L453261UK – revision 01/2013

Contents Page

Spare parts, see separate spare parts list

1. General description 21.1 Intended Use 2

2. Sectional drawing 3

3. Warnings 5

4. Introduction 64.1 The Ws+ range 64.2 Selectionofthestandardorsimplifiedpump 64.3 TheWs+pump,optionsandextras 64.4 Identifyingthepumpmodel 64.5 Identifying the motor model 74.6 Special note 74.7 Handling and Transport 74.8 Weights 7

5. Installation of pump 85.1 Notes 85.2 Installationofstandardpump 85.3 Installationofpumpwithoutrecirculation. 95.4 Liningupthepipesystem 95.5 Powersupply 95.6 Watersupplyforwater-flushedshaftseal 9

6. Start-up and Operation 106.1 Checkingthepumpforforeignmaterial 106.2 Testingthepump 116.3 Puttingthepumpintoservice 116.4 Flushingliquid 11

7. Service and Maintenance 127.1 Checking the shaft seal 127.2 Replacing the shaft seal 127.3 Replacing the motor 147.4 Recommended inventory of spare parts 15

8. Technical Data 168.1 SoundpressureandsoundpowerlevelforWs+pumps 168.2 MaximumpermissibleoutletpressureforWs+pumps 178.3 Tighteningtorqueforshaftandairscrew 178.4 Cleaning recommendation 17

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Form no.: L453261UK – revision 01/2013

1. General description

Thisoperatingmanualshouldbereadcarefullybythecompetentoperating and maintenance personnel.

Wepointoutthatwewillnotacceptanyliabilityfordamageormalfunctionsresultingfromthenon-compliancewiththisoperatingmanual.

Descriptionsanddatagivenhereinaresubjecttotechnicalchanges.

1.1 Intended UseThecentrifugalpumpWs+isexclusivelyintendedforpumpingliquids,especiallyinbeverageandfoodinstallations.

Itsuseispermissibleonlywithintheadmissiblepressureandtemperaturemarginsandunderconsiderationofchemicalandcorrosiveinfluences.

Anyuseexceedingthemarginsandspecificationssetforthisconsideredtobenotintended.

Anydamageresultingtherefromisnotwithintheresponsibilityofthemanufacturer.Theuserwillbearthefullrisk.

Caution! Improperuseofthepumpleadsto: -damage -leakage -destruction. -Failuresintheproductionprocessarepossible.

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Form no.: L453261UK – revision 01/2013

2. Sectional drawing

1 pumphousing2 airscrew3 o-ring4 impeller6 o-ring7 backplate8 pin9 clampring11 shaft12 screw13 shaftguard

14 extensionframe15 bracket16 screw17 spacer flange25 clamp ring26 o-ring27 front cover28 clamp ring29 gasket30 recirculationpipe

Section 1: Single mechanical shaft sealSection2:Doublemechanicalshaftseal

5.1 fixingkit–singleseal5.3 pressurering5.4 drain pipe5.5 o-ring5.6 stationary seal face5.7 rotary seal face5.8 pin5.9 fixingkit–doubleseal5.10o-ring5.11pressurering

Section 2Shaft size ∅ 25 and ∅ 35

Section 1Shaft size ∅ 25 and ∅ 35

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3. Warnings

1. Readthroughtheinstructionsbeforeinstallingthepumpandstartingitup.Ifindoubt,contactyourlocalSPXFlowTechnologyrepresentative.

2. Checkthatthespecificationsofthemotorandmotorcontrolunitarecorrect.Thisappliesinparticularforapplicationswithriskofexplosion.

3. Donotstartthepumpbeforeallpipeconnectionshavebeenfittedcarefullyandtightened,especiallythepumpswithclampringswhicharesecuredwithwingnuts,i.e.theconnectionsattherecirculationpipeand(ifexistent)atthepumpin-andoutlet.Specialprecautionsmustbetakenwhenthepumpisusedtopumphotand/orhazardousliquids.Insuchcasesfollowthelocalregulationsforpersonalsafetywhenworkingwiththeseproducts.

4. Donotstartthepumpbeforethemotorshroudorshaftguardhasbeensecurelyfitted.

5. Thepumpcontainsrotatingparts.Neverputyourhands,fingersorobjectsintoapumpwhileitisinoperation.

6. Nevertouchtheshroudduringoperation,asitcanbecomeveryhot.

7. Nevertouchthepumpbodyduringoperationifthepumpisbeingusedforhotmediawherethereistheriskofburning.

8. Nevercloseboththeintakeandoutletvalveofthepumpwhileitisinoperation.Ifthepumprunswithliquidinitwithoutcirculation,theliquidwillheatupandmayturnintovapour,causingtheriskofexplosion.

9. Alwaysremoveallassemblyandauxiliarytoolsfromthepumpbeforestartingitup.

10. Neverhosedownorcleantheelectricmotordirectlywithwaterorcleaningfluid.

11. Neverliftthepumpattheshroud,asitisnotdesignedtocarrytheweightofthemotor.Removetheshroudbeforeliftingthepump.Alwaysusesecurelyfittedliftingstrapswhenliftingwithacraneor similar lifting gear.

12. Neverdismantlethepumpbeforethemotorhasbeendisconnectedfromthepowersupply.Removethefusesanddisconnectthecablefromthemotorterminalbox.

13. Allelectricalinstallationsmustbecarriedoutbyqualifiedpersonnel.

14. Neverdismantlethepumpuntilthepipesystemhasbeendrained.Rememberthatliquidwillalwayscollectinthepumpbody.Ifthepumpistobeusedforhotand/orhazardousliquids,specialprecautionsmustbetaken.Insuchcasesfollowthelocalregulationsforpersonalsafetywhenworkingwiththeseproducts.

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3. Warnings

15. Thefollowingvaluesspecifiedforthepermissiblepressure mustnotbeexceeded:

Ws+20/15: Max.6barWs+30/30: Max.8barWs+44/50: Max.13barItisimportanttorememberthatthevaluesforthemaximumoutletpressureapplytowateratatemperatureof20°C.

16. Theriskofunauthorizedtamperingorinadvertentlooseningbyuntrainedpersonneloftheclampringswithwingnuts(seepara.6)shouldbeassessedandobviated.

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SPX Flow TechnologyHermana Frankego 9, 85-862 Bydgoszcz POLAND

XXXXXX

Ws+20/15 125

3412033

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Form no.: L453261UK – revision 01/2013

Fig. 1

4. Introduction

4.1 The Ws+ rangeThismanualcoversthestandardversionsoftheWs+pumpwhichissuppliedwithpre-fittedrecirculationconnection,andasimplifiedversionwhichhasnorecirculation.

4.2 Selection of the standard or simplified pump

1. ThestandardWs+pumpshouldbeinstalledasanormalliquidringpump,i.e.witha“swanneck”(twox90°bends)ontheinletandalengthofverticalpipeontheoutlet(seelengthHonthenextpage).

2. However,inmanyCIPpumpapplicationsitispossiblewiththeWs+pumptosimplifythepipelayoutandbringtheinletpipedirect(horizontally)tothepumpinletandtoeliminatetherecirculationconnection.Forthepumptofunctioninthismannerthereisoneconditionfortheinletpipeworkwhichmustbefulfilled,seeSection4.2.Ifindoubt,thestandardWs+withswanneckandrecirculationconnectionmustbeused.

4.3 The Ws+ pump, options and extrasThefollowingstandardoptionsareavailableintheWs+range:

- polishedto3Arequirements - withorwithoutshroud - withframeandadjustablefeetorfixedbracket - withshaftsealincarbon/SiCorSiC/SiC - withO-ringsinEPDMorFPM(Viton) - withsingle-actingshaftsealordouble-actingshaftsealprepared

forwater-flushedshaftseal - withUSmotorinsteadofIEC

Extras: - drain valve - pumptrolley - Ws+pumpscanbesuppliedwithallstandardconnectionssuch

asunions,clampringsorflanges.

4.4 Identifying the pump modelAnameplateasshowninFig.1isfittedontheextensionframe.Example:TypeWs+20/15: indicatespumpmodel,hereWs+20/15125: Indicates diameter of impeller.SerialNo.: The“unique”serialnumberofthepump.OrderNo.: SPXFTordernumber.Year: indicatestheyearofmanufacture.Thevacantfieldcanbeusedtoidentifythepumpintermsofitsposition in the plant.

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4. Introduction

4.5 Identifying the motor modelThemotorisequippedwithadatalabel,seeFig.2.Thelabelindicatesthemotortypeandoverallheight(pos.1),motorcapacity(kW)(pos.2)andspeed.

4.6 Special noteTheWs+pumpisdesignedtorunat2-polespeeds(i.e.3000/ 3600rpm).Attemptstorunat4-polespeeds(1500/1800rpm)resultsinverypoorsuctionperformance.

4.7 Handling and TransportActwithcautionwhenliftingthepump.Allpartswithaweightofmorethan20kgmustbehandledwithasuitablehoistingdevice.Useacrane,fork-lifttruckoranothersuitablehoistingdevice,alwaystogetherwith2liftingropes(Fig.3).Placethehoistingbeltsaroundtherearpartofthemotorandaroundtheextensionframe.Takecarethatthebeltsareevenlyloadedwhenthepumpislifted.

Caution! Alwaysuse2hoistingbeltsandneverfastenthematthefrontpumpbody.

Fig. 2

Fig. 3

Pump type

Motor size

90 100 112 132 160 180

1,5 kW 2,2 kW

3,0 kW 4,0 kW5,5 kW 7,5 kW

11,0 kW 15,0 kW18,5 kW

22,0 kW30,0 kW

Ws+20/15 3739 51 57 74

88 ----- -----

Ws+30/30 4345 57 63 84

98

125139157

-----

Ws+44/50 ----- 67 74 94108

139153171

176194

Theweightsindicatedaboveareforstandardpumpswithmotorshrouds.Theweightscanvarydependingonaccessoriesandfittingsandshallbeconsideredasreferencevalueforhandling,transport and packaging, only.

4.8 Weights

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Form no.: L453261UK – revision 01/2013

5. Installation of pump

5.1 NotesTheWs+pump,likeallself-primingpumpsofitstype,requiresaninitialchargeofliquid,theprimingliquid,inordertoformtheliquidringwithinthepumpwhichisessentialforitsself-primingfunction.Seetable.

Pump Ws+ 20/15 30/30 44/50

Priming volume litre 1.7 2 3.7

5.2 Installation of standard pumpInthestandardWs+pumptheprimingvolumeofliquidmustberetainedeitherwithinthebodyofthepumporwhereitcancirculatebacktotheinlet.Tothisendthepumpmustbeinstalledwithoutletverticallyupwardsandwithalengthofverticalpipecoupledtoit.Aswanneckcoupleddirectlytothepump'sinletpreventslossofthatprimingvolumedowntheinletpipe.Toprovidespacefordischargedair,anynon-returnvalvemustbemountedatleast0.5mdownstreamofthespecifiedlengthofverticalpipe.Seetableandfig.4.

Ws+ pump 20/15 30/30 44/50

H min. (fig. 2) × pipe ∅ 1 m × 2" 1.5 m × 2"

1.5 m × 3"or

2 m × 2"

Shorterpipelengthswilladverselyaffectthetimetakenforthepumptoself-prime.

Notethatthepumpshouldnotbeleftrunningtoolongwithoutpumping(typicallymax.15minutes,butlessifthepumpedliquidishot)asitgetswarmandlosesprimingliquidbyevaporation.

Keepthenumberofvalves,bendsandT-piecesonthesuctionsidetoanabsoluteminimum.

Theremustbesufficientspacearoundthepumpforpipingandaccess for maintenance.

Fig. 4

Swanneck

200

min

.

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Form no.: L453261UK – revision 01/2013

5. Installation of pump

5.3 Installation of pump without recirculation.Inthiscase,wherethesimplifiedpipelayoutistobeused,oneimportantrequirementmustbemet:asthesuctiontankstartstorefill,someliquidwillbeabletorunfromthetankintothepumptoreplenishanyprimingliquidlostwhenthetankwaspreviouslypumpeddry.Typicalapplicationscanbeseeninfig.5.AswiththeZMSpump,thepumpbodymustalwaysbemountedwithoutletverticallyupwardsandalltheotherconditionsapply.

Note! Anyeccentricreducershouldbemountedsuchthatthepumpcenterlineislowerthantheinletpipe'scenterline.

5.4 Lining up the pipe systemLineupthepipescarefullytothepumpsuctionanddischargenozzles.MakesurethatthepipesystemisadequatelysupportedbyPipesupportssothatthepumpbodyisnotsubjecttostrainsandweightfrom the pipe system.

Note! Duringprimingthepumpmaytendtovibrate. Apipesupportshouldbeplacedclosetothepumpsuctiontopreventpipeworkvibrationcreatingexcessivenoise.

5.5 Power supplyThemotorshouldbeconnectedtothemainsviaamotorswitchboxinaccordancewithlocalregulations.Themotorshouldbeconnectedinaccordancewiththeinstructionsinsidethecoverofthemotor'sterminalbox.Themotorshouldbeconnectedsuchthatthedirectionofrotationofthemotor(andthusoftheimpeller)isanticlockwisewhenviewedfromthefronttowardsthesuctionnozzleofthepumpbody(fig.6).

5.6 Water supply for water-flushed shaft sealPumpswithawater-flushedshaftsealhavetwohoseconnectorsonthesealflange.Thehoseconnectorsare1/8"andfita6.0mmhose.Thenecessaryliquidflowrateis15–30l/h.Max.pressure7bar.Thehoseconnectioninthesealflangeshouldalwaysbepositionedverticallywiththefluidinletunderneathandtheoutletontop.Waterconsumptioncanbelimitedbyinstallingasolenoidvalvefortheflushingwateronthesupplyside.Theopen/closefunctionofthesolenoidvalvecanbecontrolledbythepump'sstart/stopsequence.

Fig. 5

Fig. 6

Fig. 7

Liquidlevel

High

Low

0,5 m min.

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Form no.: L453261UK – revision 01/2013

6. Start-up and Operation

Beforestartingthepump,dismantleandcleanthesuctionpipe.Anyforeignmaterialinthepumpshouldberemoved.

6.1 Checking the pump for foreign materialDismantlethepumpasdescribedbelow.Thesectionaldrawing(page2)istobeusedforreference.

1. Disconnectthepowersupply.

2. Removethefrontcoverbyunscrewingtheclampring(item25),afterdisconnectingthere-circulationconnection(item30,iffitted).

3. Unscrewtheairscrew(item2)(useapipeC-spanneroraroundbarinthebalanceholeintheshaftmufftosecuretheshaft).

4. Removesimilarlythehousingclampring(item9)andcarefullypulloffthepump/screwhousing.

5. Turntheimpeller(item4)toensurethatthereisnoforeignmaterialbehindit.

6. Ifthereisanyforeignmaterialinthepump,removeit.

7. Whenthepumpiscleanandfreeofforeignmaterial,reassemblethepump.

8. Whenmountingthepump/screwhousingcheckthatthelocationpin(item8,wherefitted)inthetopofthebackplate(item7),mateswiththehalfholeinthepumpbodyandpressthepump/screwhousinginovertheO-ring(item6).Re-fittheclampring.

9. Screwtheairscrewontotheshaft.Rememberthecorrecttighteningtorque–seesection7.2.18.

10. Pressthefrontcoverintoplaceandfittheclampring.Re-assemblethere-circulationconnection(iffitted).

11. Installsuctionanddischargepipes.Checkthatthepipeunionshavebeentightenedproperlyandthatpipesupportshavebeenfitted.

Tomakethefrontcoverandthepump/screwhousingeasiertofit,werecommendthatyougivetheO-ringathinlayeroffoodapproved,acid-freegreaseorsoap.

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Form no.: L453261UK – revision 01/2013

6. Start-up and Operation

6.2 Testing the pumpTocheckthatthepumpisworkingsatisfactorily,pourwaterintothepumpandstartitforamoment.Checkthedirectionofrotation(fig.8).Listenforanyunusualnoises.Inpumpswithwater-flushedshaftseals,thesealchambermustbefilledwithwater.

Neverallowthepumptorunwithoutliquid,asthiswillruintheshaftseal.

6.3 Putting the pump into serviceCheckthefollowingbeforestartingthepump:

- thattheshaftguardhasbeenfittedproperly. - thatthereisfreeaccessforliquidandthepumpisprimed. - thatthevalveonthedischargeside(iffitted)isclosed.

Thevalveonthedischargesideisclosedduringstart-uptopreventthemotorfromoverloading,butshouldbeopenedagainassoonasthepumphasbeenstarted.

Note! TheWs+pumpshouldnotbeleftrunningtoolongwithoutpumping(typically15minutes,ifthepumpedliquidisnothot),asitgetswarmandlosesprimingliquidbyevaporation.

6.4 Flushing liquidInpumpswithaflushedshaftseal,checkthatthesupplyofflushingmediumisopenandthattheflowofthemediumisadequate(approx.15–30l/hour).

Fig. 5

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Form no.: L453261UK – revision 01/2013

7. Service and Maintenance

7.1 Checking the shaft sealCheckthepump'sshaftsealforleaksonaregularbasis.Iftheshaftseal is leaking, replace it or its relevant parts.

7.2 Replacing the shaft sealThesectionaldrawing(page2)showsthepositionandconstructionoftheshaftseal–bothordinarysealsandsealswithliquid/steamflushing.

Toreplacetheshaftsealitisnecessarytodismantlethepump.Followthestepsdescribedbelowandrefertothesectionaldrawing(page2).

1. Disconnectthepowersupplyinthemotorisolatorbyremovingthefusesanddisconnectingthecables.

2. Turnofftheflushingliquidsupply.

3. Closetheinletanddischargeofthepump,anddrainthepump/screwhousing.

4. Oncetheinletandoutletpipeshavebeenproperlyisolatedandthere-circulationconnection(iffitted)removed,removetheclampring(item25)andfrontcover(item27).

5. Unscrewtheairscrew(item2)(useapipeC-spanneroraroundbarinthebalanceholeintheshaftmufftosecuretheshaft).Thenopentheclampring(item9),takeoffthepump/screwhousing(item1)andremovetheimpeller(item4).

6. Removethestationarysealface(item5.6),mountedinthebackplate(item7)withyourfingers.

7. RemovetheO-ring(item5.5)fromthestationarysealface.

8. Useyourfingerstoremovetherotarysealface(item5.7)mountedintheimpeller(item4).

9. RemovetheO-ring(item13)fromtherotarysealface.

10. Cleanthestatorandrotarysealfacelocations,ifnecessarywithairorwater.

10aInthecaseofwater-flushedshaftsealsandasepticshaftseals,thebackplatemustberemovedtodismantletherearshaftseal.Therearstationarysealface(item5.6)ismountedinthepressurering(item5.11)andtherotarysealface(item5.7)ismountedontheshaft(item11). Theseareremovedinthesamewayasthefrontsealcomponents.

Dismantling the pump

Dismantling the shaft seal

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Form no.: L453261UK – revision 01/2013

7. Service and Maintenance

11. Checktheo-ringforsignsofcracks,lackofelasticity,brittlenessand/orchemicalattack.Replacewornordefectiveparts.

12. Checkthestationary(item5.6)androtary(item5.7)sealfacesforsignsofweartoo.Thewearingsurfacesmustbecompletelyfreeofscratches/cracks.Ifnot,bothringsmustbereplaced.

12aInthecaseofwater-flushedshaftsealsandasepticshaftseals,checktherearsealrings(items5.6,5.7)forwearandreplaceifnecessary.

13. Fitnewo-ringsonthestationarysealfaceandrotarysealface.

Note! Remembertomoistenthesewithwater.

14. Fittherotarysealfaceontheimpellerwithoutusingtools.

Note! Note!Thenotchintherotarysealfacemustbefittedsothatitmateswiththedrivingpin(item5.8)intheimpellerhub.

Inthecaseofwater-flushedseals,alsofitarotarysealface(witho-ring)inthelocationontheshaft–againwithoutusingtools.

15. Fitthestationarysealfaceinthebackplatewithoutusingtools.

Note! Note!Thenotchesinthestationarysealfacemustmatewiththedrivingdogsonthecarrierinthebackplate.Checkthatthestationarysealfaceispositionedsothatiteasilyslidesbackwardsandforwardswithinthebackplate.

Ifliquid-flushedshaftsealsarefitted,removethe“drainpipe”(item5.4)anddonotfit.

16. Afterfitting,cleanthewearingsurfaces.

16a Forliquid-flushed,re-mountthebackplate.

17. Fittheimpeller.Checkthatthelocationpin(item8,wherefitted)inthetopofthebackplate,mateswiththehalfholeinthepumpbodyandcarefully,toavoiddamagingtheo-ring,pressthepump/screwhousing(item1)inovertheo-ring(item6).Fastenwiththeclampring(item9).

18. Re-mounttheairscrew.Remembertousethepropertighteningtorque:M14: 70Nm(52ft-lb)M20: 200Nm(148ft-lb)

19. Pressthefrontcoverintoplaceandfittheclampring. Re-assemblethere-circulationconnection(iffitted).

Checking parts for wear

Fitting

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Form no.: L453261UK – revision 01/2013

7. Service and Maintenance

7.3 Replacing the motorThestandardmotorfortheWs+pumphasadrive-endlocatedbearing.Ifthemotorisreplaced,thenewmotormustalsohaveadrive-endlocatedbearing.Themotorbearingisenclosedandpermanentlylubricated.

Themotorhasbothfeetandflange,“smallflange”(B34)forframesizes80-132,“largeflange”(B35)forframe160andlarger.

Followtheinstructionsbelowwhenreplacingthemotor.Forthereplacementofbearings,seethemotorsupplier'sserviceinstructions.

1. Disconnectthepumpfromthepowersupply.

2. Removalofthefrontcover,airscrew,pump/screwhousingandimpeller(items27,2,1and4)isbegunasinpara.6.2,points1–5.

3. Removethemotorshroudand,ifpossible,standthepumpuprightonthemotor´sfancover.SeeFig.9.

4. Undothefourmotorflangeboltsandremovethem.SeeFig.9.

5. Liftthebackplate(item7)andextensionframewhicharestillboltedtogether,upandofftheshaft.SeeFig.9. Removethewasher(item17),wherefitted.

6. SeeFig.10.Loosenthescrewsintheshaftmuff,pulltheshaftoffand replace the motor.

7. SeeFig.11.Beforere-mountingthepumpshaft,removeanydirtandgreasefromthemotorshaftandthemuff'sinternalclamingsurfaces.Mountthepumpshaftloosely.Positionthebalanceholeoverthekeyway.

8. Fitthebackplateandextensionframeovertheshaft.

9. Tightenthebolts.

10. Standthepumpbackonitslegs/bracket.

11. Fittheimpellerandsecureittemporarilywiththenut(M14orM20)whichissuppliedasatoolwiththepump12.

12. Lay the plastic star against the impeller. Fig. 12.

Fig. 9

Fig. 10

Fig. 11

Rearflange

Screw

Extensionframe

Motor

Shaft

Screw

Motor

Keyway

Motor shaft

Balance hole

Pumpshaft

Fig. 12

Impeller

Plastic star

Pumpbody

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Form no.: L453261UK – revision 01/2013

7. Service and Maintenance

13. Fitthepump/screwhousingandfastenwiththeclampring.

14. Pushtheshaftforwarduntiltheimpelleristouchingtheplasticstar.Fig. 13.

15. Tightentheshaftscrews(item11)to30Nmfor8mmscrewsand55Nmfor10mmscrews.

16. Removethestarbypullingitoutthroughtheinlet.

17. Replacethetemporarynutwiththeairscrew. Remembertousethepropertighteningtorque: M14: 70Nm(52ft-lb) M20: 200Nm(148ft-lb)

18. Press the front cover in and fasten the clamp ring. Reassemblethere-circulationconnection,iffitted.

7.4 Recommended inventory of spare parts

Seal kitsWerecommendthatyoukeepbothsealkitsandservicekitsfortheWs+pumpsinstock.ThesealkitfortheWs+pumpconsistsofthewearingpartsofthepump,asspecifiedinthesparepartslist.

Numberofpumpsinservice0–5 5–20 >20

Seal kits number number kits/ 10pumps

Normal operation 2 3 1Special needs 3 6 2

Service kitsTheservicekitismadeupofanumberofthemaincomponentsofthepumpwhicharenotwearingparts,butwhichyoustillmayhavetoreplace:shaft,impeller,capnutandfixingkit.

Numberofpumpsinservice0–5 5–20 >20

Service kits number number kits/ 10pumps

Normal operation 0 1 1Special needs 1 2 1

Fig. 13

15

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Page 18: CENTRIFUGAL PUMP - SPX Flow€¦ · Pump Ws+ 20/15 30/30 44/50 Priming volume litre 1.7 2 3.7 5.2 Installation of standard pump In the standard Ws+ pump the priming volume of liquid

GB

Form no.: L453261UK – revision 01/2013

8. Technical Data

8.1 Sound pressure and sound power level for Ws+ pumpsThenoiselevelsinthetablebelowcanonlybetakenasindicative,andapplytoapumpmountedonaABBmotorwhichhasbeensizedformaximumpowerconsumptionwhenpumpingwater,fittedwithballfeetandwithastandardshroud.Thepumpisfittedwithafullsizeimpeller,ispumping100%coldwaterandoperatesat10mNPSH,i.e.simulationofpumpingfroman atmospheric tank.

MeasurementshavebeencarriedoutincompliancewiththesoundintensitymeasurementmethodofISO9614-2.Tolerance level is ±3 dB.

Operatingconditions/noise levels

Flowquantitym³/h

(100%and60%nominalflow)

Soundpressurelevel dB(A)LpA*

Soundpowerlevel

dB(A)LwA

Ws+20/15 15 74 869 72 84

Ws+30/30 30 74 8718 75 88

Ws+44/50 50 82 9530 80 92

*Calculatedmaximumsoundpressureinafreefield,1mdistancefromthe(notional)pumpsurface.

Whenoperatingat60Hz(3500rpm),thenoiselevelsareapproximately3dB(A)higher.Thenoiselevelmayincreaseconsiderably,ifreducers(reduction/expandingfittings)aremountedontheinlet/outlet.

Notethatthenoiseemittedbyapumpvarieswidely,dependingonsize/speed/manufactureofmotoranddiameterofimpellersupplied,andwhetherornotitisfittedwithashroud.Itisalsoinfluencedbyitsmounting,i.e.ballfeet,skid-mountedorbolteddirecttothefloorandbytheadjacentpipingsystemanditsmountingmethod.Inthecaseofaself-primingpump,noiselevelsarealsoprofoundlyinfluencedbywhetheritispumpingairorliquid,and,whenpumpingliquid,bytheavailableNPSHandtheliquidtemperature.

16

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Page 19: CENTRIFUGAL PUMP - SPX Flow€¦ · Pump Ws+ 20/15 30/30 44/50 Priming volume litre 1.7 2 3.7 5.2 Installation of standard pump In the standard Ws+ pump the priming volume of liquid

8. Technical Data

8.2 Maximum permissible outlet pressure for Ws+ pumpsThemaximumpumpoutletpressuresspecifiedbelowmustnotbeexceeded(appliestowaterat20°C).

Pump Ws+20/15 Ws+30/30 Ws+44/50Maximumpermissiblepressure

6bar 8bar 13bar

8.3 Tightening torque for shaft and air screwRequiredtorquestotightenthepumpshaftonthemotorshaft:M8: 30Nm(22ft-lb)M10: 55Nm(41ft-lb)M12: 80Nm(59ft-lb)

Note! Makesurethatthekey-grooveofthemotorshaftistobeseenthroughtheholeinthestubshaft.Fig. 14.

Requiredtorquestotightenthecapnutorairscrew:M14: 70Nm(52ft-lb)M20: 200Nm(148ft-lb)

Requiredtorquestotightentheclampconnectionatthepumpbodyandbodycover:M10: max.35Nm(25ft-lb)

8.4 Cleaning recommendationTheproduct-wettedpartsofthepumpsarecleanedbythecleaningliquidoftheconnectedpipelines.Dependingonthedegreeandconstituentsofsoiling,cleaningliquids,timesandcyclesmustbeadjustedfortheindividualapplication.Verifythecompatibilityoftheindividuallyselectedcleaningprocessesandliquidswiththerespectivelyusedsealmaterials.

Subjecttochange.

Fig. 14

Page 20: CENTRIFUGAL PUMP - SPX Flow€¦ · Pump Ws+ 20/15 30/30 44/50 Priming volume litre 1.7 2 3.7 5.2 Installation of standard pump In the standard Ws+ pump the priming volume of liquid
Page 21: CENTRIFUGAL PUMP - SPX Flow€¦ · Pump Ws+ 20/15 30/30 44/50 Priming volume litre 1.7 2 3.7 5.2 Installation of standard pump In the standard Ws+ pump the priming volume of liquid

Ws+CE NTR I FUGAL PU M P

Original operating manual

S PX Flow Technology Poland sp. z o.o.

Hermana Frankego 9

85-862 Bydgoszcz, Poland

P: (+48) 52 525 9900

F: (+48) 52 525 9909

SPX reserves the right to incorporate design and material changes

without notice or further obligation.

Design features, materials of construction and dimensional data,

as described in this bulletin, are provided for your information only

and should not be relied upon unless confirmed in writing. Please

contact your local sales representative for product availability in

your region.

For more information please visit www.spx.com.

ISSUED 01/2013 –

COPYRIGHT © 2013 SPX Corporation