centrifugal pump - spx flow€¦ · the w+ centrifugal pump is exclusively intended for pumping ......
TRANSCRIPT
FOR M NO.: L453147G B R EVI S ION: 06/2013
CE NTR I FUGAL PU M P
OPE RATI NG MAN UAL
W+
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.: L453147GB– revision 06/2013
Table of contents Page
For spare parts, see separate spare parts list.
1. General description 21.1 Intended use 2
2. Sectional drawing 3
3. Warnings 4
4. Introduction 64.1 The W+ range 64.2 The W+ pump, standard and auxiliary equipment 64.3 Identificationofpumpmodels 64.4 Identificationofmotormodels 64.5 Handling and transport 74.6 Weights 7
5. Installation of pump 85.1 Positioning 85.2 Lining up the pipe system 85.3 Power supply 85.4 Liquidsupplyforflushedshaftseal 85.5 Connectingsteamandsteamcondensateforasepticuse 8
6. Start-up and operation 96.1 Checkingthepumpforforeignmaterial 96.2 Checkingthepump 106.3 Starting the pump 106.4 Flushing liquid 10
7. Service and maintenance 117.1 Checkingtheshaftseal 117.2 Replacingtheshaftseal 117.3 Replacingthemotor 137.4 Recommendedinventoryofspareparts 14
8. Technical data 15
8.1 Soundpressureandsoundeffectlevel 158.2 MaximumpermissibleoutletpressureforW+pumps 168.3 Tightening torques 168.4 Cleaningrecommendation 16
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Form no.: L453147GB– revision 06/2013
1. General description
Thisoperatingmanualshouldbereadcarefullybythecompetentoperatingandmaintenancepersonnel.
Itmustbepointedoutthatwewillnotacceptanyliabilityfordamageorfaultsresultingfromfailingtocomplywiththisoperatingmanual.
Descriptionsanddatagivenhereinaresubjecttotechnicalchanges.
1.1 Intended useTheW+centrifugalpumpisexclusivelyintendedforpumpingliquids,especiallyinfoodandbeverageinstallations.
Refrainfromusingthepumpinamannerwhichexceedsthescopeandspecificationsstatedbelow.
Anyuseexceedingthemarginsandspecificationssetforthisconsideredtobenotintended.
Themanufacturerisnotliableforanydamageresultingfromsuchactivities.Theuserwillbearthefullrisk.
Caution! Improperuseofthepumpleadsto: - damage -leakage -destruction -potentialfailuresintheproductionprocess
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2. Sectional drawing
1a Pump housing2a Cap nut3 O-ring4 Impeller6 O-ring7a Backplate8 Locatingpin9a Clamp ring10 O-ring11 Shaft14 Extensionframe
5.1 Fasteningkitforsinglemech.seal
5.3 Pressure ring5.4 Drain pipe5.5 O-ring5.6 Stationarysealface5.7 Rotarysealface5.8 Pin5.9 Fasteningkitfordouble
mech.seal5.10 O-ring5.11 Pressure ring
Section1:SinglemechanicalshaftsealforshaftsofØ25andØ35Section2:DoublemechanicalshaftsealforshaftsofØ25andØ35Section3:SinglemechanicalshaftsealforshaftsofØ55Section4:DoublemechanicalshaftsealforshaftsofØ55
Section 1
Section 3
Section 2
Section 4
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3. Warnings
1. Readthroughtheinstructionsbeforeinstallingthepumpandstartingitup.Ifindoubt,contactyourlocalSPXFlowTechnologyrepresentative.
2. Checkthatthespecificationsofthemotorandmotorcontrolunitarecorrect.Thisappliesinparticulartoapplicationswhichcarryariskofexplosion.
3. Observethatapumpmaybeunstableandmaytilttotheforeontoitsinlet port when having a relatively small motor and being assembled onbracketsinsteadofbeingequippedwithaframewithadjustablefeet.Becarefulduringtheinstallationofsuchapump.(Forthisreason, the W+50/600 pump is equipped with an anti-tilting unit.)
4. Donotstartthepumpbeforeallpipeconnectionshavebeenfittedcarefullyandtightened.Specialprecautionsmustbetakenwhenthepumpisusedtopumphotand/orhazardousliquids.Insuchcasesfollowthelocalregulationsforpersonalsafetywhenworkingwiththeseproducts.
5. Donotstartthepumpbeforethemotorshroudorshaftguardhasbeensecurelyfitted.
6. Thepumpcontainsrotatingparts.Neverputyourhands,fingersorobjectsintoapumpwhileitisinoperation.
7. Nevertouchtheshroudduringoperation,asitcanbecomeveryhot.
8. Nevertouchthepumpbodyduringoperationifthepumpisbeingusedforhotmedia,asthereisariskofbeingburnt.
9. Ifthepumpisoperatingwithliquidmediabuthasnocirculation,theliquidwillheatupandmayturnintovapour,whichcouldcauseanexplosion.
10. Alwaysremoveallassemblyandauxiliarytoolsfromthepumpbeforestarting it up.
11. Neverhosedownorcleantheelectricmotordirectlywithwaterorcleaningfluid.
12. Neverliftthepumpattheshroud,asitisnotdesignedtocarrytheweightofthemotor.Removetheshroudbeforeliftingthepump.Alwaysusesecurelyfittedliftingstrapswhenliftingwithacraneorsimilarliftinggear.
13. Neverdismantlethepumpbeforethemotorhasbeendisconnectedfromthepowersupply.Removethefusesanddisconnectthecablefromthemotorterminalbox.
14. Theinstallationofallelectricalpartsmustbecarriedoutbyqualifiedpersonnel.
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3. Warnings
15. Neverdismantlethepumpuntilthepipesystemhasbeendrained.Rememberthatliquidwillalwayscollectinthepumpbody.Ifthepumpistobeusedforhotand/orhazardousliquids,specialprecautionsmustbetaken.Insuchcasesfollowthelocalregulationsforpersonalsafetywhenworkingwiththeseproducts.
16. Thefollowingvaluesspecifiedforthepermissiblepressuremustnotbeexceeded:Max. 18 bar W+10/8, W+22/20, W+30/80, W+35/55, W+35/35,
W+110/130Max. 14 bar W+25/210, W+30/120,W+50/600, W+50/8,
W+55/35, W+55/60, W+60/110, W+65/350, W+70/40, W+80/80
Thea.m.valuesarealsovalidforthecorrespondingmodelsintheWa+ and Wi+ ranges. It is important to remember that the maximum outletpressurevaluesapplywhenwaterisatatemperatureof20°C.
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SPX Flow TechnologyHermana Frankego 9, 85-862 Bydgoszcz POLAND
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W+22/20 125
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4. Introduction
4.1 The W+ rangeThismanualcoversthestandardversionsoftheW+pumpaswellastheasepticversions:Wa+andpumpswithaninducer(Wi+).Checkthepump'snameplatetodeterminewhetheryouhaveoneofthesemodels.TheWHP+andW+140/50aredescribedinaseparatemanualwhichissuppliedwiththepump.TheWK+(pedestalpumpversion)isdescribedinasupplementarymanual.
4.2 The W+ pump, standard and auxiliary equipmentStandard options:
- Withorwithoutmotorcover. - Withframeandfeetorfirmsupports. - Withshaftsealincarbon/SiCorSiC/SiC. - Witho-ringsinEPDMorFPM(Viton). - Withsinglemechanicalordoublemechanicalseal,fittedforwater-
flushedorsteam-flushedshaftseal(Wa+)
Additional options: - Heating/coolingjacket. - Casing drain. - Soundabsorbingmotorcover. - Pumpcart. - Inducer(Wi+). - DoubleO-ringsealforpumphousing,fittedforsterileflushing
purposes. - Heavydutyclampringwhichincreasesthepump'smaximum
permissibleoutletpressureto25bar(availableforW+30/120,W+55/35,W+55/60,W+60/110,W+70/40)orto20bar(availableforW+80/80).
- W+pumpscanbesuppliedwithallstandardweldedferrules,e.g.unions,clamprings,flanges.
4.3 Identification of pump modelsAnameplateasshowninFig.1isfittedontheextensionframe.ExampleTypeW+22/20: Specifiesthepumpmodel(W+22/20).125: Indicatesthediameteroftheimpeller.Serialno.: IndicatesthepumpIDnumber.Orderno.: SpecifiestheSPXFTordernumber.Year: Showstheyearofmanufacture.Theemptyfieldcanbeusedtoidentifythepumpwithinanoverallsystem.
4.4 Identification of motor modelsTheplateindicatesthemotortypeandheightofconstruction(item2),motorcapacity(kW;item1),speed,etc.
Fig. 1
Fig. 2
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4. Introduction
4.5 Handling and TransportActwithcautionwhenliftingthepump.Allpartswithaweightofmorethan20kgmustbehandledwithasuitablehoistingdevice.Useacrane,forklifttruckorothersuitableliftinggear,andalwaysuse2hoistingbeltsinconjunctionwiththis.(Fig.3).Placethehoistingbeltsaroundtherearpartofthemotorandaroundtheextensionframe.Takecarethatthebeltsareevenlyloadedwhenthepumpislifted.
Caution! Alwaysuse2hoistingbeltsandneverfastenatthefrontofthepumpbody.
4.6 Weights
Fig. 3
Pump type
Motor80 90 100 112 132 160 180 200 225 250 280
0.75 kW 1.1 kW
1.5 kW 2.2 kW
3.0 kW 4.0 kW5.5 kW 7.5 kW
11.0 kW 15.0 kW 18.5 kW
22.0 kW30.0 kW 37.0 kW
45.0 kW 55.0 kW75.0 kW 90.0 kW
W+10/8 20 20 --- --- --- --- --- --- --- --- --- ---
W+22/20 28 29
33 36 41 46 57
62 --- --- --- --- --- ---
W+30/80 --- 53 56 61 66 77
82
117 127 138
--- --- --- --- ---
W+25/210* --- --- --- --- ---169 184 194
212 282 295 349 --- ---
W+35/35 --- 36 39 44 49 60
65
100 109 117
--- --- --- --- ---
W+35/55 --- 51 51 59 64 75
80
114 123 133
--- --- --- --- ---
W+30/120 --- 59 62 67 71 83
88
125 135 145
170 236 249 --- --- ---
W+50/600 --- --- --- --- --- --- 295 360 381 426 485 570
605
W+50/8 --- 45 48 53 58 69
73 --- --- --- --- --- ---
W+55/35 --- 54 59 66 71 82
87
127 136 147
--- --- --- --- ---
W+55/60 --- 61 64 71 76 88
93
127 136 146
171 226 251 --- --- ---
W+60/110 --- 68 71 76 82 94
99
132 141 151
176 225 250 295 --- ---
W+65/350 --- --- --- --- 132 137
171 180 190
220 295 330 363 420 505
540
W+70/40 --- 75 78 83 87 99
104
138 148 158
183 238 263 --- --- ---
W+80/80 --- 83 83 89 95 107
112
146 155 165
190 265 280 335 395 ---
W+110/130 --- --- 105 109 118 123
160 173 183
218 276 300 355 415 500
535
* 1500 rpm only
Theweightsmayvarydependingonaccessoriesandfittings,andarethereforeintendedonlyasareferencevalueforhandling,transportandpackagingactivities.
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5. Installation of pump
5.1 PositioningThefollowingmustbeobserved: Thepumpmustbepositionedsothatthesuctionpipeisasshortaspossibleandthereisaslopinggradienttowardsthesuctionportofthe pump.Keepthenumberofvalves,bendsandtee-piecesonthesuctionside to an absolute minimum.Theremustbesufficientspacearoundthepumpforpipingandaccessformaintenance.
5.2 Lining up the pipe systemEnsure that the pipe system is adequately underpinned with pipe supportssothatthepumpbodyisnotsubjecttostrainfromortheweightofthepipesystem.
Caution! Duringthesuctionprocess,thepumpmaytendtovibrate.Apipesupportshouldbeplacedclosetothepumpsuctiontopreventpipeworkvibrationcreatingexcessivenoise.
5.3 Power supplyThemotormustbeconnectedviaacontrolcabinettothenetworkincompliancewiththelocalregulations.Moreover,themotormustbeconnectedinaccordancewiththeinstructionsindicatedintheinnersideoftheconnectingboxlidofthemotor.Themotorshouldbeconnectedinsuchawaythatthemotorandthereforetheimpellerareanti-clockwisewhenviewedfromthefrontinthedirectionofthesuctionportofthepumpbody.(Fig.4).
5.4 Liquid supply for flushed shaft sealPumpswithaflushedshaftsealarefittedwithtwoPTFEhoseconnectorsonthesealingflange.Thehoseconnectorsare1/8inchandfit6.0mmhoses.Therequiredflowquantityamountsto15–30l/h.The maximum permissible pressure is 7 bar.
Thehoseconnectionshouldalwaysbepositionedverticallywiththefluidinletbelowandtheoutletabove(Fig.5).Fluidconsumptioncanbelimitedbyinstallingasolenoidvalveonthesupplyside.Theopen/closefunctionofthesolenoidvalvecanbecontrolledbythepump'sstart/stopsequence.Donotusesteamorsteamcondensateontheconnectionforflushingliquids.Ifyouwishtousesteamasasealant,aspecialasepticpipeconnectormustbeused.Forconnectorssee5.5.
5.5 Connecting steam and steam condensate for aseptic useWhenstaticdoublesealsareused,theconnectionforsteamorsteamcondensateatthepumpbodyisprovidedwithfittingsfor8 mm stainless steel pipes.Steamofupto150°Cand5barcanbeused.
Fig. 4
Fig. 5
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6. Start-up and operation
Beforestartingthepump,dismantleandcleanthesuctionpipe. Anyforeignmaterialinthepumpshouldberemoved.
6.1 Checking the pump for foreign materialRemovethepumpbodyasdescribedbelow.Thesectionaldrawing(page3)istobeusedforreferencepurposes.
1. Disconnectthepowersupply.
2. Removethepumpbody(items1a,1b)byunscrewingtheclampring(item9a)orbodyscrews,andcarefullyextractfromthebody.
3. Turntheimpeller(item4)toensurethatthereisnoforeignmaterialbehind it.
4. Removeanyforeignmaterialfrominsidethepump.
5. Whenthepumpbodyiscleanandfreeofforeignmaterial,reassemblethe pump.
Mountthepumpbodyasdescribedbelow:
6. Checkthatthelocatingpin(item8),whichisinstalledinthetopofthebackplate,fitswiththedetentinthepumpbodyandcarefully(toavoiddamagetotheO-ring)pressthepumpbody(item1a,1b)insoitcoverstheO-ring(item6).Thenfastenwiththeclampring(item9a)orbodyscrewsandapplythecorrecttighteningtorque.
M10: max.35Nm(25ft-lb)
7. Checkthatthepipeunionshavebeentightenedproperlyandthatthepipesupportshavebeenfitted.
Tofacilitatethefittingofthefrontcoverandpumphousing,werecommendthattheO-ringislubricatedwithathinlayeroffood-friendly,acid-freegreaseorsoap.
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6. Start-up and operation
6.2 Checking the pumpTocheckthatthepumpisworkingsatisfactorily,pourwaterintothepumpandstartitmomentarily.Checkthedirectionofrotation.Fig.6.Listenforanyunusualnoises.Inpumpswithwater-flushedorsteam-flushedshaftseals,thesealchambermustbefilledwithwater/steam.
Caution! Neverallowthepumptorunwithoutliquid,asthiswillruintheshaftseal.
6.3 Starting the pumpCheckthefollowingbeforestartingthepump:
- Thattheshaftguardhasbeenfittedproperly. - Thatthereisunobstructedaccessforliquidandthatthepumpis
primed. - Thatthevalveonthedischargesideisclosed.
Thevalveonthedischargesideisclosedduringstart-uptopreventthemotorfromoverloading,butshouldbeopenedagainassoonasthe pump has been started.
Note! Thepumpshouldnotbeleftrunningtoolongwithoutpumping(typically15minutesifthepumpedliquidisnothot),becauseitwillgetwarmandtheprimingliquid will evaporate.
6.4 Flushing liquidInpumpswithaflushedshaftseal,checkthatthesupplyinletfortheflushingmediumisopenandthattheflowofthemediumisadequate(approx.15-30litres/hour).
Fig. 6
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7. Service and maintenance
7.1 Checking the shaft sealCheckthepump'sshaftsealforleaksonaregularbasis.Iftheshaftsealisleaking,replaceitoritsrelevantpartsasdescribedbelow.
7.2 Replacing the shaft sealThesectionaldrawing(page3)showsthepositionandconstructionoftheshaftseal(applyingbothtoordinarysealsandsealswithliquid/steamflushing).
Toreplacetheshaftsealitisnecessarytodismantlethepump.Followthestepsdescribedbelowandrefertothesectionaldrawing(page3).
1. Disconnectthepowersupplyinthemotorisolatorbyremovingthefusesanddisconnectingthecables.
2. Turnoffthesteamandflushingliquidsupply.
3. Closethepumpsuctionanddischargepointanddrainthepumphousing.Ifthepumpisusedforhotand/oraggressiveliquids,specialprecautionsmustbetaken.Insuchcases,observethelocalregulationsforpersonalprotectionwhenworkingwiththeseproducts.
4. Opentheclampring(item9a)orthehousingscrewsoncetheinletand outlet pipes have been properly isolated. Dismantlethepumphousing(item1a,1b)andremovetheimpeller(item4).
5. Takethestationarysealface(item5.6)installedinthebackplate(item7a,7b)outwithyourfingers.
6. Removetheo-ring(item5.5)fromthestationarysealface.
7. Useyourfingerstoremovetherotarysealface(item5.7)fittedintheimpeller(item4).
8. Removetheo-ring(item5.5)fromtherotarysealface.
9. Cleanthechambersofthestationaryandrotarysealfacewithairor water.
9a Therearstationarysealface(item5.6)ismountedonthepressurering*(item5.11).Therotarysealface(item5.7)ismountedontheshaft(item11).Theseareremovedinthesamewayasthefrontsealcomponents.*TheW+50/600pumphas2identicalpressurerings.
Dismantling the pump
Dismantling the shaft seal
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7. Service and maintenance
10. ChecktheO-ringsforsignsofstiffness,lackofelasticity,brittlenessand/orchemicalcorrosion.Replacewornordamagedparts.
11. Checkthestationaryring(item5.6)androtaryring(item5.7)forsignsofwear.Wearsurfacesmustbecompletelyfreeofcracks.Ifthisisnotthecase,boththestationaryringandtherotaryringmustbereplaced.
11aInthecaseofwater-flushedshaftsealsandasepticshaftseals,checktherearsealrings(item5.6,5.7)forwear,andreplaceifnecessary.
12. Fitthenewo-ringsonthestationarysealfaceandrotarysealface.
Caution! Remember to moisten these with water.
13. Fittherotarysealfaceontheimpellerwithoutusingtools.
Note! Thenotchintherotarysealfacemustbeinstalledsothatitfitswiththedrivingpin(item5.8)intheimpeller hub.
13aInthecaseofdoublemechanicalshaftseals,alsofitarotarysealface(item5.7)witho-ring(item5.5)inthelocationontheshaft–again without using tools.
14. Fitthestationarysealfaceinthebackplatewithoutusingtools.
Note! Installthestationarysealfacesothatitfitswiththepininthebackplate.Checkthatthestationarysealfaceispositionedsothatitslidesbackandfortheasilywithinthebackplate.
14aWhenfittingnewdoublemechanicalshaftseals,removethedrainpipe(item5.4)beforefittingtheminthepressurering(item5.9)orbackplate(item7a,7b).* The W+50/600 pump is not equipped with a drain pipe.
15. Afterfitting,cleanthesurfacessubjecttowear.
15aFordoublemechanicalshaftseals,re-mountthebackplate(item7a,7b).
16. Fittheimpeller(item4).Remembertousethepropertighteningtorque. M10: 45Nm(33ft-lb) M14: 70Nm(52ft-lb) M20: 200Nm(148ft-lb)
17. Checkthatthelocatingpin(item8)inthetopofthebackplatefitswith the detent in the pump body. To prevent damage to the O-ring, carefullypressthepumpbody(item1a,1b)insothatitcoverstheO-ring(item6).Thenfastentheclampring(item9).
Remember to use the proper tightening torque:M10: max.35Nm(25ft-lb)
Checking parts for wear
Fitting
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7. Service and maintenance
7.3 Replacing the motorThestandardmotoroftheW+pumphasalockedfrontbearing.Ifthemotorisreplaced,thenewmotormustalsohavealockedfrontbearing.Themotorbearingisenclosedandpermanentlylubricated.
A"smallflange"(B34)forframesizesanda"largeflange"(B35)incaseoflargeconstructions.
Whenreplacingthemotor,followtheinstructionsbelow.Forthereplacementofbearings,seethemotorsupplier'sserviceinstructions.
1. Switchoffthepowersupply,andthendisconnectthepumpandmotorfromthesystem.
2. Remove the pump body. See 7.2, paragraph 1-4.
3. Dismantle the impeller.
4. Removethemotorshroudand,ifpossible,placethepumpverticallyonthemotor'sfancover.Fig.7.
5. Releasethefourmotorflangescrewsandremovethem(Fig.7).
6. Liftthebackplate(item7)andextensionframe(whicharestillboltedtogether)offtheshaft.SeeFig.10. Removethespacerflange(item17)(wherefitted).
7. SeeFig.8.Loosenthescrewsatthebaseoftheshaft,removetheshaftandreplacethemotor.
8. SeeFig.9.Beforemountingthenewpumpshaft,removeanydirtandgreasefromthemotorshaftandthebase'sinternalclampingsurfaces.Looselymountthepumpshaft.Positionthebalanceholeoverthekeyway.
9. Fitthebackplateandextensionframeovertheshaft.
10. Tighten the bolts.
11. Standthepumpbackonitslegs/brackets.
12. Fittheimpellerandsecureitwiththecapnut/inducer.
Remember to use the proper tightening torque:M10: 45Nm(33ft-lb)M14: 70Nm(52ft-lb)M20: 200Nm(148ft-lb)
Fig. 7
Fig. 8
Fig. 9
Rearflange
Screw
Extensionframe
Motor
Shaft
Screw
Motor
Keyway
Motorshaft
Balancehole
Pumpshaft
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7. Service and maintenance
13. Placetheplasticstaragainsttheimpeller.Fig.10.
14. Fitthepump/screwhousingandfastenwiththeclampring.
15. Pushtheshaftforwarduntiltheimpelleristouchingtheplasticstar.See Fig. 11.
16. Tightentheshaftscrews(item11). Remember to use the proper tightening torque: M8: 30Nm(22ft-lb) M10: 55Nm(41ft-lb) M12: 80Nm(59ft-lb) M16: 180Nm(132ft-lb)
17. Remove the star by pulling it out through the inlet.
7.4 Recommended inventory of spare parts
Seal kitsThesealkitfortheW+pumpconsistsofthewearpartsforthepumpasspecifiedinthesparepartslist.
Numberofpumpsinservice0–5 5–20 >20
Sealkits number number kits/10pumps
Normaloperation 2 3 1Specialneeds 3 6 2
Service kitsTheservicekitconsistsofseveralmainpumpcomponentswhicharenotconsideredwearpartsbutmayneverthelessneedtobereplaced:theshaft,impeller,capnutandfixingkit.
Numberofpumpsinservice0–5 5–20 >20
Servicekits number number kits/10pumps
Normaloperation 0 1 1Specialneeds 1 2 1
Fig. 10
Impeller
Plasticstar
Pump body
Fig. 11
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8. Technical data
8.1 Sound pressure and sound effect levelMeasurementshavebeencarriedoutinaccordancewithISO3743,Grade2andISO3746,Grade3.Tolerance:±3dB.
LpAindBreferstothesoundpressurelevelatadistanceofonemetrefromthesurfaceofthepumpataheightof1.6mabovefloorlevel(cf.ECDirective(89/392/EEC).
LwAindicatesthesoundpowerlevel.OperatingconditionsA,BandCaredefinedasfollows:
a) Nominalflowandmax.permissibleoperatingpressureb) Nominalflowand60%operatingpressurec) 60%flowandmax.permissibleoperatingpressure
Thenominalflowandmax.permissibleoperatingpressureinthecaseoftheW+55/60,forexample,are60m³/hratanoperatingpressureof5.5bar,andsoon.
ThisinformationonlyappliesifthemotorusedisanABBaluminiummotorandthesizeofthemotormatchesthepowerrequirementofthe pump.
Thenoiselevelmayincreaseconsiderablyifreducers(reduction/expansionfittings)aremountedontheinlet/outlet.
Thevaluesshownapplywhenthepumpsoperateat2900rpmandthereisashroudoverthemotor.Ifthepumpsoperateat1450rpm,thevaluesarereducedbyapprox.20dB.ThevaluesfortheW+25/210 apply at 1450 rpm.
Operating conditions
LpA LwAA B C A B C
W+10/8 65 62 60 79 77 74W+22/20 67 65 61 81 79 75W+30/80 75 73 68 89 87 82
W+25/210 69 68 64 83 82 78W+35/35 69 67 64 83 81 78W+35/55 72 70 67 86 84 81
W+30/120 76 74 72 90 88 86W+50/8 69 68 64 83 82 78
W+50/600 75 75 73 89 89 87W+55/35 69 68 68 83 82 82W+55/60 74 70 68 88 84 82W+60/110 76 74 72 87 85 84W+65/350 86 88 82 100 102 98W+70/40 75 69 69 89 83 83W+80/80 75 73 72 89 87 86
W+110/130 79 76 76 93 90 90
Please note that the sound emitted by a pump may vary considerably.Itdependsonthepumpdesign(size/speed/shroud/installation)aswellasontheliquidtypeandpumpingconditions.
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8. Technical data
8.2 Maximum permissible outlet pressure for W+ pumpsThemaximumpumpoutletpressurespecifiedbelowmustnotbeexceeded(appliestowaterat20°C).
Max. 18 bar: W+10/8, W+22/20, W+30/80, W+35/55, W+35/35, W+110/130
Max. 14 bar: W+25/210, W+30/120, W+50/600, W+50/8, W+55/35, W+55/60, W+60/110, W+65/350, W+70/40, W+80/80
TheabovevaluesalsoapplytothecorrespondingWa+andWi+models.
8.3 Tightening torquesRequiredtorquestotightenthepumpshaftonthemotorshaft:M8: 30Nm(22ft-lb)M10: 55Nm(41ft-lb)M12: 80Nm(59ft-lb)M16: 180Nm(132ft-lb)
Caution! Ensurethatthekeygrooveinthemotorshaftcanbeseenthroughtheholeinthestubshaft. Fig. 12.
Requiredtorquetotightenthecapnutandtheinducer:M10: 45Nm(33ft-lb)M14: 70Nm(52ft-lb)M20: 200Nm(148ft-lb)
Requiredtorquetotightentheclampconnectionatthepumpbodyandbodycover:M10: max.35Nm(25ft-lb)
8.4 Cleaning recommendationThepartsofthepumpswhichbecomewetasaresultofmediaarecleanedusingthecleaningagentintheconnectedpipelines.Cleaningagents,timesandcyclesmustbemodifiedaccordingtoindividualapplicationdependingonthedegreeandnatureofcontamination.Verifythecompatibilityoftheindividuallyselectedcleaningprocessesandagentswiththesealmaterialsbeingused.
Subjecttochange.
Fig. 12
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W+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
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For more information please visit www.spx.com.
ISSUED 06/2013 –
COPYRIGHT © 2013 SPX Corporation