salmson NOLH Operating instructions

Type
Operating instructions

This manual is also suitable for

NOLH

INSTALLATION ET MISE EN SERVICE
INSTALLATION AND OPERATING INSTRUCTIONS 

N.M.S.40868051/Ed.3/ 1013
FRANÇAIS
ENGLISH
FRANÇAIS
11
Aspirationaxex:
DN
brides
Fy
(N)
Fz
(N)
Fx
(N)
F
(N)
My
(N.m)
Mz
(N.m)
Mx
(N.m)
M
N.m)
507506808301300480550670990
65970890110017105506007601120
8012101100134021206106908401250
10016501490184028807008109801450
1251990179022103470900114012601920
15025502300283044501120131016002350
20034503110385060301660191023403440
25043203920484075802520292035605250
30052204700583091303780436053207850
3506120551068201069052806100744010970
5.2.7 ETENDUEDELAFOURNITURE
Lapompepeutêtrelivréeengroupecompletavecmoteur,
accouplement,protecteurd’accouplementetchâssis.
Ellepeutaussiêtrefourniearbrenuousansundeceséquipements.Un
certificatd’intégrationCEestalorsfourni.
Lanoticedemiseenservicefaitpartieintégrantedelafournitureetdoit
êtrelivréeaveclematériel.Sicen’étaitpaslecas,enfairelademande
auprèsdenosservicestechniques.
LespompesATEXpeuventêtrelivréesavecuneinstrumentation
spécifiquesuivantlescas.Sereporterauxspécifications
techniquesdumatérielet/ouàl’accuréceptiondelacommandepour
enconnaitrelalisteexhaustive.
6 DESCRIPTIONETFONCTIONNEMENT
6.1 DESCRIPTIONDUPRODUIT
LapompeNOLHestunepompecentrifugemonocellulairehorizontale
PN16.Sesperformancesetsesdimensionsprincipalescorrespondentà
lanormeEN733.Elleestdimensionnéepourrépondreauxexigencesde
lanormeISO5199.
Saconceptionprocesspermetledémontagedel’ensemblepalier/roue
sansqu’ilsoitnécessaired’intervenirsurlestuyauteriesd’aspirationet
derefoulement.L’utilisationd’unaccouplementsemiélastiqueàspacer
permetd’effectuercetteopérationsansqu’ilsoitnécessairededéplacer
lemoteur.
Cettepompeestdestinéeaupompagedeliquidesclairsoulégèrement
troubles,necontenantpasdeparticulessolides.
Lepassageoccasionneld’impuretéspouvantatteindre3mmenfonction
delatailledepompeestpossiblemaisréduiraladuréedeviedela
pompe.
6.2 FONCTIONNEMENT
LapompeNOLHestunepompecentrifugeàaspirationaxialeet
refoulementvertical.
Cespompesfonctionnenthabituellementà1450ou2900tr/mnselonla
pressionsouhaitéeaurefoulement.
Unepompecentrifugeestconstituéed’uneroue(impulseur)tournant
autourdesonaxe(senshorairevucôtéentraînement).Laroue
communiquecemouvementderotationauliquidequiestaspiréà
traverslesaubesdelarouepuisprojetéversl’extérieurdel’impulseur.
Lagéométriedel’hydrauliquepermetdetransformercetteénergie
cinétiqueenpression.
LespompesNOLHnepeuventpass’amorcerseules.Latuyauterieà
l’aspirationdelapompedoitêtrecomplètementrempliedeliquide
avantledémarragedelapompe.
Lorsquecelaestnécessaireousimplementpouroptimiserl’efficacitéde
lapompe,ilestpossibledemodulerledébit/pressiondeplusieurs
façons.
Enmodifiantlescaractéristiquesduréseau:unevannederéglageest
installéeaurefoulementdelapompe.Ellepermetd’augmenteroude
diminuerlapertedechargeduréseauetdoncdedéplacerlepointde
fonctionnementdelapompe.
Enmodifiantlescaractéristiquesdelapompe:unvariateurdevitesse
permetdemodifierlavitessed’entrainementdel’arbredepompe.La
courbehydrauliquesedéplacealorsquelediamètrederouedela
pompeestconservé.
7 MONTAGEETRACCORDEMENT
ELECTRIQUE
7.1 IMPLANTATION
Leséquipementsdevantfonctionnerenzonedangereuse
classifiéeATEXdoiventêtrecertifiésetrépondreauxrèglementationsen
vigueur.
L’implantationdelapompedoitpermettreuneventilationcorrectedu
moteurélectriqueenrespectantlacontrainteciaprès:
L’accessibilitéàlapompepourlesopérationsdecontrôleetde
maintenanceultérieuredoitêtrepriseencompte.
Vérifierlaprésencedesmoyensdelevageadaptésàproximitédela
pompe.
7.1.1 FONDATIONS
Ilestpossibled’installerlegroupemotopompesurdifférentssupports
(solbétonné,massifbéton,poutrellesmétalliques,…).Lechoixdece
supportetsondimensionnementsontdelaresponsabilitéde
l’utilisateur.Ilaurauneinfluencesurleniveaudebruitetlesvibrations
renvoyéesparlamachine.
D’unemanièregénérale,lesrèglessuivantesdoiventêtrerespectées:
‐ Lechâssisoulaplaquesupportdelapompedoitêtrefixésurdes
fondationsnerisquantpasdesedéformerlorsdufonctionnementdela
pompe.
‐ Lebétonutilisépourcoulerlemassifdefondationdoitêtre
suffisammentrésistant(aumoinsX0suivantlaDIN1045).Lamasse
recommandéepourdimensionnerlemassifbétondoitêtre3fois
supérieureàcelledugroupecomplet.Cecipermetdedéterminerla
hauteurdumassifenconnaissantlalongueuretlalargeurdecedernier
ainsiquelamassevolumiquedubétonutilisé.
‐ Lasurfacedevantaccueillirlapompedoitêtreplaneetnedevrapas
engendrerdedéformationssurlechâssisaprèsserrage.Silaplanéitén’a
puêtreassurée,lechâssisdevraêtrecalépourfairedisparaîtrele
défaut.Aprèsserrage,undéfautdeplanéitéde0,4mm/mmaxiest
acceptableàlasurfaceduchâssis.
Lespompessurchâssissontlignéesenusine.Lorsducontrôledu
lignage,undéfautd’alignementindiqueraunedéformationdu
châssisetnécessiteraunerepriseducalage.
Mêmesitouteslesprécautionsontétépriseslorsdelaréalisationdes
fondations,ilestimpératifdecontrôlerl’alignementdesdemi
accouplementsaprèsimmobilisationdéfinitiveduchâssis.
FRANÇAIS
26
MontageGMsimple:MontageGMsimple+quenchextérieur:

MontageGMsimple+réchauffagefonddecorps:  MontageGMsimple+flushingextérieur:
 
Etanchéitéparpresseétoupeàtresses:
Avecpalieràroulementslubrifiésàvie:

ENGLISH
3
CONTENTS
1Generalinformation................................................................................................................................................................................................5
1.1Aboutthisdocument................................................................................................................................................................................................5
2Safety......................................................................................................................................................................................................................5
2.1Symbolsusedintheseinstructions...........................................................................................................................................................................5
2.2Personnelqualification..............................................................................................................................................................................................5
2.3Dangerineventofnonobservanceofthesafetyinstructions..................................................................................................................................5
2.4Safetyinstructions.....................................................................................................................................................................................................5
2.4.1Safetyinstructionsfortheoperator...................................................................................................................................................................5
2.4.2Safetyinstructionsfortheequipment................................................................................................................................................................5
2.5Safetyinstructionsforinspectionandinstallationwork...........................................................................................................................................6
2.6Modificationofequipmentanduseofspareparts...................................................................................................................................................6
2.7Improperuse.............................................................................................................................................................................................................6
2.8Pumpsetdeliveredwithoutmotor............................................................................................................................................................................6
2.9Securityinstructionstobeappliedonequipmentsusedinpotentiallyexplosiveatmosphere.................................................................................6
2.9.1SpecificmarkinginstructionsforATEX................................................................................................................................................................6
2.9.2FluidTemperature..............................................................................................................................................................................................6
2.9.3buildupofexplosivemixture..............................................................................................................................................................................6
2.9.4Preventingleakage.............................................................................................................................................................................................7
2.9.5Completeunit.....................................................................................................................................................................................................7
2.9.6Pumpunitdeliveredwithoutmotor/withoutsensors......................................................................................................................................7
2.9.7Couplingguard....................................................................................................................................................................................................7
2.9.8Maintenancetoavoidhazardcreation...............................................................................................................................................................7
2.9.9Preventingsparkscreation.................................................................................................................................................................................7
3Transportandstorage..............................................................................................................................................................................................7
3.1Safetymeasures........................................................................................................................................................................................................7
3.2Delivery.....................................................................................................................................................................................................................7
3.3Shorttermstorage....................................................................................................................................................................................................7
3.4Handling....................................................................................................................................................................................................................7
4Intendeduse............................................................................................................................................................................................................8
5Description..............................................................................................................................................................................................................8
5.1Typekey....................................................................................................................................................................................................................8
5.2Technicalcharacteristics...........................................................................................................................................................................................8
5.2.1Materials.............................................................................................................................................................................................................8
5.2.2Performanceandoperatinglimits......................................................................................................................................................................8
5.2.2.1pressure........................................................................................................................................................................................................8
5.2.3Directionofrotation...........................................................................................................................................................................................9
5.2.4Noiselevel..........................................................................................................................................................................................................9
5.2.5Connections........................................................................................................................................................................................................9
5.2.6Permissibleforcesandmoments........................................................................................................................................................................9
5.2.7Scopeofdelivery..............................................................................................................................................................................................10
6Descriptionandworkingprinciple..........................................................................................................................................................................10
6.1Productinformation................................................................................................................................................................................................10
6.2Function..................................................................................................................................................................................................................10
7Installationandelectricalconnection.....................................................................................................................................................................11
7.1Location...................................................................................................................................................................................................................11
7.1.1Foundation.......................................................................................................................................................................................................11
7.1.2Anchoring.........................................................................................................................................................................................................11
7.1.3Positioning........................................................................................................................................................................................................11
7.1.4Couplingalignment...........................................................................................................................................................................................11
7.2Pipework................................................................................................................................................................................................................12
7.3Electricalconnection/Earthing..............................................................................................................................................................................13
7.3.1Terminalstrippositionningforstar(Y)anddelta()connection(multivoltageselectricmotors).................................................................13
7.3.2Lowervoltage:connection...........................................................................................................................................................................13
7.3.3Highervoltage:Yconnection...........................................................................................................................................................................13
7.3.4Y/starter:.....................................................................................................................................................................................................14
7.4Useofafrequencyinverter.....................................................................................................................................................................................14
8Startup.................................................................................................................................................................................................................14
ENGLISH
6
Operatingthepumpatlowerflowratesmaycauseareductionof
ballbearings/bearinglifetime,overheatinginpumpsealing
chamber,instabilityandcavitations/vibration.
Neverremoveprotectingcoversorcouplingguardwhenpumpis
readytorun.Thosepartscanonlyberemovedduring
maintenanceoperations.
2.5 SAFETYINSTRUCTIONSFORINSPECTION
ANDINSTALLATIONWORK
Theoperatormustensurethatallinspectionandinstallationwork
arecarriedoutbyauthorizedandqualifiedpersonnel.The
operatorsmustbesufficientlyinformedandmustknowthecontentof
theseinstructionsandoftheincorporatedmaterialsinstructionsbefore
anyoperationiscarriedoutonpumpsandaccessories.
Accesstotheproductmustonlybecarriedoutwhenpumpisata
standstill.Itismandatorythattheproceduredescribedinthe
installationandoperatinginstructionsforshuttingdownthepumpset
arefullyrespected.
Allprotectionsandsecuritydevicesmustbereactivatedor
switchedonimmediatelyafterworksareended.
2.6 MODIFICATIONOFEQUIPMENTAND
USEOFSPAREPARTS
ModifyingtheproductisonlypermittedafteragreementofSalmson.
Useofgenuinesparepartsandaccessoriesauthorizedbythe
manufacturerensuresafetyandproperworkofthepump.
2.7 IMPROPERUSE
Theoperatingsafetyoftheproductisonlyguaranteedforconventional
useandinaccordancewiththetechnicalofferandthisoperating
instructions.Thelimitvaluesindicatedintherelevantcatalogue/data
sheetmustnotbeexceeded.
2.8 PUMPSETDELIVEREDWITHOUTMOTOR
Whenpumpsetisdeliveredwithoutanymotor(aCEintegration
certificatehasbeensuppliedwiththepump)itistheenduser’s
responsibilitytoensurethatallregulationrequirementsarerespected
togetaCEmarking.
Certificationofthecompletepumpsetwillbefromintegrator
responsibility.HewillensurethataIlspecificationslistedinthis
instructionsarefullyrespected.
2.9 SECURITYINSTRUCTIONSTOBE
APPLIEDONEQUIPMENTSUSEDIN
POTENTIALLYEXPLOSIVEATMOSPHERE
Thischaptercontainsoperatinginstructionsthathavetobe
consideredwhenusingthepumpinapotentiallyexplosive
atmosphere.TheATEXadditivesuppliedwiththepumpwillbe
consideredaswell.
Thischapterindicatessupplementaryinstructionsto:
Avoidexcessivesurfacetemperature,
Avoidbuildupofexplosivemixture,
Avoidsparkscreation,
Preventleakages,
Ensurepropermaintenancetoavoidhazard.
Thefollowinginstructionsforthepumpandpumpunitsshallbe
followedwhentheequipmentisinstalledinapotentiallyexplosive
atmosphere.Exproofprotectionisensuredonlyifthepumpunitand
suppliedaccessoriesareinstalledaccordinginstructiongiveninthis
instructionandoperatingmanual.Bothelectricalandnonelectrical
equipmentmustmeettherequirementsofEuropeanDirectiveATEX
94/9/EC.
2.9.1 SPECIFICMARKINGINSTRUCTIONSFOR
ATEX
AnexampleofATEXequipmentmarkingisshownhereunderfor
information.DedicatedATEXclassificationisengravedonpump
nameplateandindicatedintheATEXadditive:
II2Gc(x)ExdIIBT4
With:
EQUIPMENTGROUP:
II=Nonmining
CATEGORY:
2=highprotection(zone1)
3=normalprotection(zone2)
GASorDUST:
G=Gas
Thosepumpsarenot«D»Dustcertified.
PUMPPROTECTION:
c=safebyconstruction
X=respectspecialinstructionforequipmentintegration
MOTORENCLOSURE:
Exd=flameproof
Exd(e)=flameproofframeandincreasedsafetyjunctionbox
GASGROUP:
IIA‐Propane
IIB‐Ethylene
IIC‐Hydrogen
MAXIMUMSURFACETEMPERATURE(TemperatureclasstoATEX
94/9/EC):
T1=450°C
T2=300°C
T3=200°C
T4=135°C
T5=100°C
T6=85°C
T(x)=variabletemperatureorpumpusedinseveralareas.
2.9.2 FLUIDTEMPERATURE
Ensurethattheequipmenttemperatureclassissuitableforthe
hazardzone.Itistheplantoperator’sresponsibilitytoselectthe
Atexzoneinwhichthepumpisinstalled.
Pumptemperatureclassisasstatedonthenameplate.Itisbasedona
maximumambienttemperatureof40°C.(askSALMSONforuseinhigher
ambienttemperatures).
Thesurfacetemperaturetakenonpumpsurfaceisinfluencedbythe
temperatureofthehandledliquid.Themaximumpermissible
temperaturedependsontheATEXtemperatureclassandmustnot
exceedthevaluesindicatedintheATEXadditiveattachedtothepump.
Theshaftsealandbearingstemperatureriseduetotheminimum
permittedflowratearetakenintoaccount.
Themaximumfluidtemperaturesindicatedbelowaregiven
accordingly:
T1400°C
T2275°C
T3180°C
T4115°C
T580°C
T6needSALMSONapproval
Ifthereisarisktorunthepumponacloseddischargevalveitis
requestedtomonitorsurfacetemperature.Motoroverloadtrips
shouldbecorrectlycalibrated.Proceedwithregularcleaningsifpumpis
installedindirtyordustyenvironment.
2.9.3 BUILDUPOFEXPLOSIVEMIXTURE
Ensurethatpumpcasingandmechanicalsealchamberare
correctlyventedandthatpumpwillnotrundry.
ENGLISH
7
Makesurethatthepumprunswithfilledinsuctionanddischargelines
toavoidbuildupofanexplosiveatmosphere.Inadditionitisessential
thatauxiliarysealingsystemsareproperlyfilled.
Toavoidpotentialhazardsfromfugitiveemissionsofvapororgasto
atmospherethesurroundingareashouldbecorrectlyventilated.
2.9.4 PREVENTINGLEAKAGE
Thepumpmustonlybeusedtohandletheliquidsforwhichithas
beendefined.
Ifthepumpisinstalledoutdoor,makesureliquidcontainingpartsare
drainedand/orprotectedagainstfreezing.
Ifleakageofliquidtotheatmospherecanresultinahazardthena
leakagedetectionsensorshouldbeinstalled.
2.9.5 COMPLETEUNIT
ATEXcertificationforacompleteunitaccordingtoATEXDirective
94/9/CEisgivenaccordingtolowerprotectionlevelofthe
integratedcomponent.Thiscommentappliesparticularlytotheelectric
motorprotection.
2.9.6 PUMPUNITDELIVEREDWITHOUTMOTOR/
WITHOUTSENSORS
Ifapartialdeliveryisrequired(electricmotor,flexiblecoupling,
couplingguardorsensornotsupplied),anintegrationcertificate
willbeestablished.
Itwillbetheintegrator’sresponsibilitytosupplymissingpartsinorder
tofulfillATEXrequirementsforthecompletemachine.
2.9.7 COUPLINGGUARD
ThecouplingguardusedinapotentiallyATEXatmosphereshall
meetfollowingrequirements:
Consistofnonsparkingmaterial(e.gbrass),
Mustbemadeofantistaticmaterial,
Mustbedesignedinsuchawaythattherotatingpartswill
notcomeincontactwithanypartoftheguardafterachoc.
2.9.8 MAINTENANCETOAVOIDHAZARD
CREATION
WhenapumpisusedinapotentiallyATEXatmosphereitis
necessarytocheckregularlythefollowingparametersandrespect
amaintenanceplantoensurethattheequipmentrunsinperfect
technicalconditions.
Followingregularchecksaremandatory:
Noleakageoftheshaftseal,
Ballbearingstemperature(onbrackethousingsurface),
Nocavitationsandnoabnormalrunningnoises,
Correctpositionofisolatingvalvesandfunctionofmotorized
valves.
Ifsomepartsarewornorworkinginbadconditionsthepumpmustbe
stoppedimmediatelyandputinsafetyuntilmaintenanceoperationsare
performed.Originofdefault(s)shouldbeeliminated.
2.9.9 PREVENTINGSPARKSCREATION
Necessarymeasuresmustbetakentoavoidsparkscreationincaseof
externalimpact.
Baseplateandpumpsetelementsmustbeproperlygrounded.Ensure
continuitybetweencomponentsofthegroup.
Itappliesto:
Pumphydraulics,
Couplingguard,
Motorframe,
Baseplate.
Thethreadedholeortheearthingplatelocatedonthebaseplateshould
beusedtomakeproperearthing.
3 TRANSPORTANDSTORAGE
3.1 SAFETYMEASURES
Neverrestbelowasuspendedload.
Keepasafedistancewhiletheloadisbeingtransported.
Checkequipmentweightandchooseslingsandotherlifting
devicesaccordingly.Liftingequipmentsshouldbeingoodconditions.
Adjustthelengthoftheliftingdevicessothatpumpor/and
pumpssetismovedhorizontally.
Liftinglugsoreyeboltsthataresometimesattachedtothe
pumportothemotorshouldnotbeusedtoliftacompletepumpset.
Theyshouldbeusedonlytoliftpumppartsduringdismantling
operations.
Usetheliftingpointsthatarementionedonthepumpsetor
refertofollowinginformation.
3.2 DELIVERY
Afterreceptionofgoods,thedelivereditemsmustbeinspected
fordamage.Checkthatallpartsarepresent(checkdescription
andquantitiesagainstdelivery/shippingdocuments).Ifanypartsare
damaged,missingoriftransportationdamageisvisible,thisshouldbe
notedonthefreightdocumentationoronthedeliverynote.
Donotseparateattacheddocumentationfromthepump.
Unpackthegoodandeliminatepackagingaccordingenvironmental
requirements.
Donotremovecapsfrompumpflangesifpumpwillnotbeinstalled
immediately.
3.3 SHORTTERMSTORAGE
Leavepipingconnectioncapsfastenedtokeepdirtandforeign
materialoutofpumpcasingduringstorage.
Ifthepumpwillnotbeusedimmediatelyafterdelivery,itmustbe
storedinatemperate,dry,ventilatedlocationandawayfrom
vibrations.Turnthepumpshaftatintervals(everymonth)toavoid
brinellingofthebearingsandthesealfacesfromsticking.Close
protectivepackingwhendone.
Ifstoredasdescribedabove,thepumpcanbestoredupto6months.
ConsultSALMSONforpreservativeprocedurewhenalongerstorage
periodisrequired.
3.4 HANDLING
Dependingontheirdesignsomepumpscanfalloverbeforethey
aredefinitivelyfastenedtothefloor.Takeallnecessaryactionsto
ensurethatnoonecanbecrushedwhiletheequipmentismoved.
Acranemustbeusedtoliftallequipmentexceeding25Kg.
Palettes,cratesorboxescanbemovedorunloadedbyusinga
forklifttruckorahoistdependingonliftingdevicesavailableonsite.
Onlysuitableliftinggearandloadcarryingequipmentwithvalidtest
certificatesandadequateliftingcapacityfortheloadsinvolvedshould
beusedtoliftandcarrythegoods.Onlyauthorizedpersonalshould
proceedtopumptransportationandtheymustrespectlocalregulations.
Weightofgoodsisindicatedonthedeliverynote.
Onlyusesuitableliftingpointsthatareindicatedonthe
equipmentandrespecthereafterliftingandtransportation
sketches.Pumpsshouldneverbelifteddirectlywithslings.Hooksmust
beusedandplacedindedicatedliftingholes.Choseproperslinglength
orusealiftingbeam.
Liftingabareshaftpump:
ENGLISH
8
Liftingapumpset:
4 INTENDEDUSE
NOLHpumpsareusedforhandlingofclearorslightlyturbidfluids
withoutanyparticlecontent.
DesignedaccordingtoEN733&ISO5199thispumpcanbeusedto
replacemostofnormalizedpumps.
Variousmaterialsandshaftsealingsareavailabletomatchmajor
industrialneeds.
NOLHpumpsareusedineverykindofindustrialplants,forHVAC,water
supply,irrigation,
5 DESCRIPTION
5.1 TYPEKEY
Pumpdescriptionisengravedonpumpnameplate.Itgivesa
generaldescriptionofpumpdesign.Thenameplateisattachedto
pumpbearingbracket.
DescriptionofaNOLHpumpiscreatedasfollows:
Example:NOLH32160AFAJ32T0,55/4K2DX
NOLHPumpproductline
32Nominaldiameterofdischargeflange[mm]
160ANominaldiameterofimpeller[mm]andhydraulic
type
FMaterialusedforcasingandcasingseal
AMechanicalsealtype
JMechanicalsealfacesandO’Ring
3Ballbearingtype
2Elasticcouplingmodelforpumpset
TTypeofelectricpowersupply
0,55InstalledpowerP2[KW]
4Numberofpole
KMotoroption
2DATEXoption
XSpecificity
Detailedtechnicalfeaturesoftheproductaredescribedin
acknowledgmentoforderoruponrequesttoSALMSONCustomer
Department.
5.2 TECHNICALCHARACTERISTICS
5.2.1 MATERIALS
Material
Casing:castiron(ENGJL250)orstainlesssteel(AISI316).
Casingcover:castiron(ENGJL250)orstainlesssteel(AISI316).
Shaft:steel(X20Cr13‐AISI420)orstainlesssteel(AISI316).
Impeller:castiron(ENGJL250),stainlesssteel(AISI316)orbronze(G
CuSn10).
Bearinghousing:castiron(ENGJL250).
Shaftsleeveforbearingbracketsize55and65:steel(X20Cr13‐AISI
420).
Shaftsleeveforpackingglandarrangement:steel(X20Cr13‐AISI
420)orstainlesssteel(AISI316).
Sealing
Casinggasket:flatsealmadeofaaramidfiberscompoundorflexible
PTFE.
Shaftsealing:singlemechanicalseal(flushingorquenchasanoption)
orpackinggland.VarioustypesoffacesmaterialsandO’ringsare
available.Seeacknowledgementoforderfordetaileddescription.
5.2.2 PERFORMANCEANDOPERATINGLIMITS
TEMPERATURE
Pumpswithsinglemechanicalsealarrangement:from‐20°Cto+120°C.
Pumpswithglandpackingarrangement:from‐40°Cto110°C
5.2.2.1 PRESSURE
Allvariants:maximumworkingpressurePS=16bar
Withtheexceptionoffollowingpumpswithcastironcasing:
NOLH150500:14bar
NOLH200250to300500:10bar
Hydrostatictestpressure:1,3xPS
5.2.2.3Minimumflowforcontinuousoperation
Permittedflowrange:
QoptistheconstantflowcorrespondingtoBestEfficiencyPoint.
PUMPSIZE
0,3.Qopt<Q<1,1.Qopt
32125to80400
100315to100400
125315to125400
150250to150500
0,5.Qopt<Q<1,1.Qopt
100160to100250
125200to125250
150200
200500to300500
0,7.Qopt<Q<1,2.Qopt200250to200400
WhenthepumpisusedinanATEXzoneitisnecessaryto
measurethedutypointandcheckthattemperature
increasecorrespondingtoeachworkingconditionisacceptable
regardingselectedsurfacetemperature.
Theformulabelowgivesthecorrespondencebetweensurface
temperature/fluidtemperatureandpumpefficiency:
To=Tf+v
v=[(g.H)/(c.)]*(1)
With:
c=calorificcapacityoffluidinJ/Kg.K
g=gravityinm/s²
H=pumpheadinm
Tf=liquidtemperaturein°C
To=surfacetemperaturein°C
=hydraulicefficiencyatdutypoint
v=differentialtemperature
5.2.2.4MAXIMUMALLOWABLESPEEDANDNUMBER
OFSTARTSPERHOUR
Maximumspeed:
Themaximumspeedforeachpumpsizeisindicatedinthetable
below.Maximumallowablespeeddependsonimpellerdiameter,
workingtemperatureandimpellerdiameter.
ENGLISH
9
Castironimpellers:
3600
RPM
3000
RPM
1800
RPM
1500
RPM
32125
321603225040315
50315
150500
200315
32200
401254025065315
80315
200400
200500
40160
402005025080400
100315
250300
250315
50125
5016065250100400
125250
250400
250500
50200
6512580250125315
125400
300400
300500
65160
65200100250125200
150250
80160
80200125200150315
150400
100160
100200200250
Stainlesssteelimpellers:
Speedsareidenticaltothosegivenoncastironimpellersexceptfor
sizes:
3000
RPM
1800
RPM
1500
RPM
40315
50315 100250150250
65200
80160125200
Numberofstartsperhour:
Waitforpumpfullstopbeforestaringupthepumpagaintoavoid
damagingthemotorandthepump.
Startingfrequencydependsonmotortype.Askmanufacturerif
necessary.
Amaximumof15startsperhourisrecommendedexceptforsizes40
315;50250;50315;65315;80315;80400;100400;125250;
125315;125400;150315to300500thatarelimitedto8startsper
hour.
5.2.2.5TYPEOFHANDLEDFLUIDS
Pumpisusedtohandleclearliquids.
Maximumviscosityoffluidis300cSt(mm²/s),or40°E.
Pumpcanoccasionallyhandlesolidsintheliquidbutitwilldriveto
areductionofpumplife,increasingofequipmentnoiseleveland
absorbedpower.
Freepassagedependsonpumpsize:
PUMPSIZEMAXsize(mm)
40315Ø2
32125;32160B;40160;32200A/B;40200;32250;40250
50250;50315Ø3
125315Ø5
40125;50125;65125;32160A;50160;65160;100160;
50200
65200;80200;100200;65250;80250;100250;125250;
65315
80315;100315;150315;100400;125400;150400
Ø6
80400Ø7
150500;300500Ø10
80160;125200;150200;150250;200400;200500Ø12
200250;250300;200315;250315;250400;250500Ø14
300400Ø16
5.2.3 DIRECTIONOFROTATION
Seriousdamagecanresultifthepumpisstartedorruninthe
wrongdirectionofrotation.
Ensurethatthedirectionofrotationiscorrectbeforefirststartuporif
maintenanceworkhasbeencarriedoutontheelectricpowersupply.
Directionofrotationmustcorrespondtothearrowattachedor
engravedinthepump.
Checkdirectionofrotationwhenmotorisapart(couplingspacer
dismantledormotornotcoupledtopump).Ifnotfeasibleduetopump
design(pumpfittedwithrigidcoupling)itisnecessarytocheckthat
pumpshaftturnsfreelyafterthetestandbeforefinalpumpstart.
Tocheckdirectionofrotationstartmotorbrieflyandcheckdirectionof
rotationjustbeforerotationstops.Ifdirectionofrotationmustbe
modifiedthenreversetwophasesinmotorjunctionbox.
Itispossibletochangetwophasesinthecontrolcabinetonmotor
starterconnections.Ifthissolutionispreferredthenitwillbe
necessarytomodifytheidentificationofthecablesintheelectrical
drawingstoo.
5.2.4 NOISELEVEL
Noiselevelofacompletepumpsetdependsonmotortypeandspeed,
onqualityandwearofflexiblecoupling(ifconcerned),onfluidvelocity,
pipingdesign,Valuesgivenhereafterareonlyindicativeandbasedon
fancooledelectricmotorsaveragenoiselevels.
Thetestmustbeperfomedonthesuppliedpumpifthenoiselevel
mustbecertified.
Ifnoiselevelishigherthan85dBA,personelworkinginpumparea
shouldwearhearingprotections.
Motorspeed2900RPM1450RPM
Elecmotorpower
[KW]PumpsetBareshaftPumpsetBareshaft
<0,5565606560
0,7565606560
1,165606560
1,570657065
2,275707065
375707065
485807065
5,585807065
7,585807065
1185807570
1585807570
18,585807570
2285807570
3085808075
3790808075
4590808075
5595858075
7595858580
9095858580
11095858580
15095858580
IndicativenoiselevelgivenindBA(LpAat1m)
5.2.5 CONNECTIONS
Suctionflangeaxisishorizontalandthefaceisvertical.
Dischargeflangeaxisisverticalandthefaceishorizontal.
5.2.6 PERMISSIBLEFORCESANDMOMENTS
Nootherstressthantheoneduetofasteningofpipeandpump
flangestogethershouldapply.Nostressmustbeappliedtopump
casingbythepipework.Aprestressmayexceptionallybeappliedto
flangestocompensateapipeexpansion.Butinanycasetheresulting
forcesshouldnotexceedvaluesgivenhereafter.
ThevaluesaredeterminedonthebasisofISO/DIN5199ClassII
(1997)‐AppendixB,familyN°2foramaxworkingtemperatureof
110°C.PumpcasingmadeofFGLcastIron.
Followingcoefficientswereappliedtobasicvalues:
Pumpassembledoncastironbase:
Forces:0,4xFbase
Moments:0,4xFbase
ENGLISH
10
Pumpassembledongroutedcastironbaseframe:
Forces:Fx[1,5(12,5/FlangeDN)]
Moments:Mx(1+FlangeDN/250)
MaterialCoefficientStainlesssteel/FGLCastIron:
C=1,536appliedonforcesandmoments
Temperaturecorrectionfortemperature>110°C:
C=Etm/E20b
WithE20b:materialmodulusofelasticityat20°CandEtmatcalculation
temperature.
Assemblyoncastironbaseframe:
Dischargezaxis:
DN
flange
Fy
(N)
Fz
(N)
Fx
(N)
F
(N)
My
(N.m)
Mz
(N.m)
Mx
(N.m)
M
(N.m)
32340420360650300340440630
40400500440780360420520760
505406606001040400460560830
656808407401310440480600890
8082010009001580460520640940
10010801340120021005005807001040
12512801580142024806007608401280
150162020001800314070082010001470
2002160268024004200920106013001910
25027003340298052301260146017802620
30032204000358062601720198024203570
Suctionxaxis:
DN
flange
Fy
(N)
Fz
(N)
Fx
(N)
F
(N)
My
(N.m)
Mz
(N.m)
Mx
(N.m)
M
N.m)
506005406601040400460560830
657406808401310440480600890
8090082010001580460520640940
10012001080134021005005807001040
12514201280158024806007608401280
150180016202000314070082010001470
2002400216026804200920106013001910
25029802700334052301260146017802620
30035803220400062601720198024203570
35041803760466073002200254031004570
Assemblyongroutedcastironbaseframe:
Dischargezaxis:
DN
flange
Fy
(N)
Fz
(N)
Fx
(N)
F
(N)
My
(N.m)
Mz
(N.m)
Mx
(N.m)
M
(N.m)
32380470400720340380500710
40480590520920420490600880
506808307501300480550670990
65890110097017105506007601120
8011001340121021206106908401250
10014901840165028807008109801450
1251790221019903470900114012601920
15023002830255044501120131016002350
20031103850345060301660191023403440
25039204840432075802520292035605250
30047005830522091303780436053207850
Suctionxaxis:
DN
flange
Fy
(N)
Fz
(N)
Fx
(N)
F
(N)
My
(N.m)
Mz
(N.m)
Mx
(N.m)
M
N.m)
507506808301300480550670990
65970890110017105506007601120
8012101100134021206106908401250
10016501490184028807008109801450
1251990179022103470900114012601920
15025502300283044501120131016002350
20034503110385060301660191023403440
25043203920484075802520292035605250
30052204700583091303780436053207850
3506120551068201069052806100744010970
5.2.7 SCOPEOFDELIVERY
Pumpcanbedeliveredasacompletepumpsetincludingelectrical
motor,flexiblecoupling,couplingguardandbaseplate.Itcanbealso
deliveredwithoutoneofthoseparts.ACEintegrationcertificateisthen
supplied.
Thisinstructionsandoperatingmanualispartofthepumpsupplyand
shouldbedeliveredattachedtothepump.Ifnot,askSALMSON
Customerdepartmenttogetit.
ATEXpumpsmaybedeliveredwithspecificinstrumentation.Refer
topumptechnicaldatasheetortoacknowledgmentoforderto
knowexhaustivescopeofsupply.
6 DESCRIPTIONANDWORKINGPRINCIPLE
6.1 PRODUCTINFORMATION
NOLHpumpisasinglestagePN16volutecasingpumpdesignedfor
horizontalinstallation.Hydrauliccharacteristicsanddimensionsmeet
EN733requirements.ItsmechanicaldesignisaccordingtoISO5199.
Thebackpulloutdesignoftheballbearingassemblypermits
dismantlingoftheimpellerwhilesuctionanddischargelinesare
fastenedtocasingflanges.
Ifacouplingspacerisusedthemotorwon’thavetobemovedrearward
duringmaintenanceoperation.
Thispumpisdesignedtohandleclearorslightlyturbidfluidswithnon
particlecontent.
Foreignmattercanoccasionallypassthroughthepumpbuttheirsize
shouldbelimitedto3mm(dependingonpumpsize)butpumplifetime
willbeshortened.
6.2 FUNCTION
NOLHpumpisacentrifugalpumpwithaxialinletandradialoutlet.
Dependingonrequireddischargepressurethepumpspeedis1450or
2900RPM.
Animpellerturnsinsidethepumpcasing(directionofrotationis
clockwiseseenfromdriveend).Therotationmovementistransmitted
tothefluidthatisdriventothevanesandthenpumpedtothedischarge
flangewhereitleavesthepump.Intheflowpassageofthepumpcasing
thekineticenergyofthefluidisconvertedintopressureenergy.
NOLHpumpsarenotselfprimingpumps.Suctionlineandpumpcasing
shouldbecompletelyfilledwithliquidbeforepumpstart.
Whennecessaryorwhenamaximumpumpingefficiencyisrequired
severalpossibilitiesareofferedtoadaptcapacity/pressure.
Modificationofthesystemhydrauliccharacteristics:
Aregulatingvalveisaddedatthedischargesideofthepump.The
hydrauliclosscanbeadjustedandsothepumpdutypoint.
Modificationofpumpcharacteristics:
Useofafrequencyinvertergivesthepossibilitytoadjustpumpspeed.
Thepumphydrauliccurveismodifiedtoreachrequireddutypointbut
impellerdiameterisunchanged.
ENGLISH
11
7 INSTALLATIONANDELECTRICAL
CONNECTION
7.1 LOCATION
EquipmentsthatwillbeusedinaATEXzoneshouldbe
certifiedaccordinglyandshouldfullycomplywithapplicable
regulations.
Thechoiceofthepumplocationshouldpermitapropercoolingofthe
motorandshouldrespectfollowinglimits:
Locationwillbechosentoensurespacereservationformaintenance
andinspection.
Checkthatthereisampleoverheadforliftingandthatliftingdevicesare
available.
7.1.1 FOUNDATION
Pumpsetcanbeinstalledonvarioustypesoffoundations(onaconcrete
ground,onafoundationconcreteblock,onasteelframework,…).Itis
theresponsibilityoftheendusertoselectproperpumpfoundation
type.Noiselevelandvibrationstransmittedbythemachinedependon
thequalityoffoundation.
Followingrulesaregeneralinstructionsthatshouldberespected:
‐ Baseframeorpumpmattingplateshouldbefastenedtoarigid
foundationwithnoriskofdistortionwhilethepumpisrunning.
‐ Makesurethatthefoundationconcreteisofsufficientstrength(min
qualityX0toDIN1045).Generally,theweightoffoundationisaround3
timesthepumpsetweight.Withpumpsetdimensionsandconcrete
densityitisthenpossibletocalculatethedimensionsoftherequired
foundationblock.
‐ Surfaceunderpumpsetshouldbeflatandshouldnotcreateany
distortionofbaseplateaftertighteningoffoundationsbolts.Ifsurface
qualityisnotsufficient,addshimsbetweengroundandbaseplate.
Distortiononbaseplatesurfaceshouldbelimitedto0,4mm/mafterthe
baseplateisdefinitivelyfastenedtofoundations.
Couplingalignmentischeckedbeforeshipment(pumpsand
motordeliveredonacommonbaseplate)Ifcouplingisnot
correctlyalignedafterinstallationworksaredonethisindicatesthatthe
baseplatehasbecometwistedandlevelingshouldbecorrectedbyre
shimming.
Eveniffoundationworkshavebeendonewithcare,itisnecessaryto
checkcouplingalignmentafterthebaseplateisdefinitivelysecuredto
thefoundation.
7.1.2 ANCHORING
Chemicalanchoringdeviceshouldbepreferredtofastenabaseplateon
anexistingfoundation.
Anchorboltscanbeusediffoundationblockistobebuilt.
1Anchorbolt
2Baseplate
3Concretefoundationblock
Foldedsteelfabricatedbaseframeswillbegroutedtoinsureitsrigidity.
Usingofshrinkfreegroutisthemostefficient.Groutingensurescorrect
positioningofthebaseframeandreducesvibrationstransmissiontocivil
work.Foundationworksurfacepreparationandlevelingofbaseframe
willbeperformedinthestateoftheartandshouldbedonebefore
groutingofthebaseplate.
Foundationboltsshouldbefullytightenedonlyafterthe
grouthascured.
Installationwithoutfoundation:
1Intermediateplate
2Nut
3Levelingelement
4Footbase
5Washer
6Fasteningnut
7Washer
8Baseplatefasteningscrew
7.1.3 POSITIONING
Pumpbaseplate(castironbaseplateorfabricatedsteelbaseframe)
shouldbeinstalledhorizontallytoensurebearingslifetimeandproper
flowofpumpedfluid.
7.1.4 COUPLINGALIGNMENT
Pumpsetsassembledwithaflexiblecouplingmustbealignedafterthe
baseframehasbeendefinitivelyfastenedtothefoundation.Uselow
thicknessshims(0,2to1mm)tomodifycouplingalignment.Adjustthe
motorheightfirst.Sometimesitisnecessarytoaddshimsunderpump
feettoo.
Aligmentofcouplingshouldbeperformedwithparticularcare
whenthepumpsetisinstalledinanhazardousarea.Correct
alignmentwillavoidabnormalincreasingofthepumpandmotorball
bearingstemperature.
Thermalexpansion:thepumpandmotorwillnormallyhavetobe
alignedatambienttemperaturewithanallowanceforthermal
expansionatoperatingtemperature.Inpumpinstallationinvolvinghigh
liquidtemperatures,alignmentshouldbecheckedagainwhenoperating
temperatureisreached(pumpandpiping).Alignmentqualityshouldbe
checkedjustaftermachineshutdown.
Pumpanddrivermustbeisolatedelectricallybeforealignment
operationsareperformed.
Pumpandmotorwerealignedbeforedispatch.Ifitisnecessaryto
useverythickshimstoadjustcouplingalignmentonsitethis
meansthatthebaseplateistwisted.Levelinghastobemodified.
Checkingthecouplingalignment:
Checkdistancebetweenthetwohalfcouplings.
Checkradialandaxialdeviation.
Severaltypesofflexiblecouplingscanbeused.Refertocoupling
operatinginstructionstoknowadjustmentvaluesand
misalignmentlimits.
Severalmethodscanbeusedtomakecouplingalignment.Choiceofa
methodwilldependonthetypeofequipmentsavailableonsite.Two
operatingmethodsarebrieflydescribedhereafter.Theycanbeusedif
basicmetrologyequipmentsareavailable:
ENGLISH
12
Usingastraightedgeandacaliper:
Usingadialgauge:
Whencheckingparallelalignment,thetotalindicatorreadout
shownistwicethevalueoftheactualshaftdisplacement.
Alignintheverticalplanefirst,thenhorizontallybymovingthemotor.
Lifetimeofballbearingandcouplingflexiblepartaswellaspumpset
noiselevelwilldependonthealignmentquality.
CouplingalignmentisnotnecessarywhenaIECadaptationlanternis
used.Bothmotorandpumpsshaftarealignedbyconstruction.
7.2 PIPEWORK
Pumpconnectionflangesarepluggedtoavoidanycontaminationduring
transportandstorage.Protectivecoversshouldberemovedonlybefore
installingthepumpinthepiping.Removedustbeforeremovingthe
coversfrompumpflanges.Especiallyfornewpipework:clean
thoroughlypipingbeforeconnectingittothepump.
Removeprotectivecovers
Addflangegaskets
Fastensuctionpipe
Fastendischargepipe
Nostressmustbeappliedtothepumpcasingbythepipework.If
excessive,thoseforcesandmomentscausemisalignment,
overheatingofbearings,couplingwear,vibrationsandpossiblefailureor
explosionofpumpcasing.
Afterreplacementofapumporduringconnectionofpipesto
pumpflanges,neverusepumpflangesasasupporttopullorpush
thepipeworks.
Theaxialdisplacementofexpansioncoupling(ifinstalled)shouldbe
limited.Usetierodsasrecommendedbythemanufacturer.
Twodesignsarepossibleforthesuctionline:positivesuctionheadand
suctionliftoperation.
Positivesuctionheadoperation:
Nominaldiameterofthepipelineisoftenlargerdiameterthanpump
suctionflange.Unequalnominaldiametershouldbecompensatedbyan
eccentrictransitionpart.Itisrecommendedtoinstallastraightpipe
beforethepumpinlet(sizeLshouldbe2to3timesthepipenominal
dimension).Thesuctionlineshouldbelaidwithadownwardslope
towardthepump.
Negativesuctionheadoperation:
Thesuctionlineintakeshouldbelocatedbelowtheminimumlevelof
theliquidandastrainerwithnonreturnfootvalveshouldbeinstalled.
Thestrainershouldbesetfarenoughfrompitbottomtoavoidexcessive
suctionheadlossandparticleintake.Ensurethatthereisnoairintake
alongsuctionlineandavoidanyairpocketscreation.
Suctionliftlineshouldbelaidwitharisingslopetowardsthepump.A
straightpipe(lengthshouldbe8to10timesthepipenominaldiameter)
shouldbeaddedinfrontofpump.Nominaldiameterofthepipelineisat
leastequaltothepumpinletsize.Pipediameteriscalculatedtolimit
flowspeedto2m/s.
Thesizeofthesuctionstrainer/footvalvewillbeselectedtoensure
minimumpressurelossesinstrainerandfullopeningofNRVatpump
nominalflow.
CheckthatpumprequiredNPSH(NPSHR)islowerthansystem
availableNPSH(NPSHA).
Dischargepipe:
Nominaldiameterofdischargepipeshouldbechosentoensureamax
flowspeedof3m/s.
Filter/strainer:
Ifrequiredafiltercanbeinstalledbeforethepumpintake.Toensure
properworkingofpumptheequivalentexchangesurfaceofthestrainer
shouldbe3timesthepipesectionalarea.
Cloggingstateoffilter/strainershouldbecheckedregularly.
Valves:
Itisadvisedtoinstallisolatingvalvesonsuctionanddischargesidefor
maintenancepurpose.Thosevalvesshouldbeoflargepassagetypeand
couldbelockedinposition.
Isolatingvalveonsuctionsideshouldnotbeconnecteddirectlytopump
suctionflange.
Nonreturnvalve:
Acheckvalvecanbeinstalledondischargesidetoprotectthepump
frombackfloweffectssuchaspressuresurgesorbackflowwhenthe
pumpisstopped.
Auxiliarypipe:
Formostofapplicationsasinglemechanicalsealisused.Ifthesealing
mustbeequippedwithauxiliaryequipmentscheckthatthereareno
leakagesandthatdirectionofflowisrespected.
Shaftsealing:
Glandpacking:
Ifthepumpisinstalledforsuctionliftoperationanddischargepressure
issmall(lessthan10mwc),itwillbenecessarytoaddaquenchtoavoid
airintaketroughthepackingrings.
Singlemechanicalsealwithexternalquench:
Externalpipingsystemorraisedtankshouldbeinstalledinthestateof
theart.Pressureinthequenchshouldnotexceed0,35bar.
Afterpipeworkisdoneturnpumpshaftbyhandandcheckitturns
freely.Ifitappearsthatitisdifficulttoturnpumpshaft,thencheck
forcesappliedbypipingtopumpcasing.Installationofpipingshouldbe
doneagain.
Locationofconnections:
Bracketsizes25,35and45:
ENGLISH
14
7.3.4 Y/STARTER:
Groundingofthecompletepumpsetwillbeperformedwith
specialcare.Earthingwillavoidanyelectrostaticaccumulationin
componentsofthepumpset.Eachpartofthepumpsetshouldbe
connectedtoearthwithacorrectlycalibratedbondingstraporcable
(motorwinding,motorframe,couplingguard,pumpbaseframe).
7.4 USEOFAFREQUENCYINVERTER
Whenpumpisusedwithavariablespeeddrive,makesurethat
thefrequencyinverterinstructionsandoperatingmanualis
availableandknown.
Theelectricmotorthatissuppliedwiththepumpmaybeconnected
underconditionstoaVSD.Variablespeedwillbeusedtoreachpump
requireddutypointonsite.Toensureareliableuseoftheequipmenta
fewprecautionsshouldbetaken:
Electricalrequirements:
Variablefrequencydrivewillnotgeneratevoltagepeakhigherthan
850V(motorphasesisolation)anddU/dtvalueshigherthan2500V/µs
(windingisolation).Ifthosevaluescanbereached,afiltershouldbe
installed:askinvertermanufacturerforproperselectionandmotor
manufacturerforlimitvalues.
ChooseavectorcontrolinverteroruseaquadraticV/Fcontrol
inverter.
Checkthatmotornominalvoltageisneverexceeded.
PowersupplycableshouldcomplytoATEXregulation.Ensurethat
motorwindingisequippedwithCTPtemperaturesensorsinside.
Aphysicalbarriershouldseparatepowersupplycablesandlow
voltagecablestoavoidanalogsignaldistortion.
Hydraulicrequirements:
Adedicatedsuctionpipeshouldbededicatedtoeachpumpusedwith
anegativesuctionhead(suctionlift).
CheckthatthepumpNPSH
R
atminimumspeedisalwayslowerthan
systemNPSH
A
.
Mechanicalrequirements:
Lowerspeedshouldnotfallunder40%ofpumpnominalspeedto
avoidanyvibrationsandanunstableflow.
TheharmoniccurrentsthatarecreatedbytheVSDpassthrough
motorballbearings.Standardballbearingscanbeusedupto
55KW.Forhigherinstalledpower(seeengravedpoweronmotorname
plate),themotorshouldbeequippedwithisolatedballbearings
(specificballbearing)orwithisolatedbearinghousing(andstandardball
bearing).
8 STARTUP
8.1 PRECOMMISSIONING
Ifthepumpisinstalledinapotentiallyexplosiveatmosphereor
whendangerousorpollutingfluidsarepumped,itisadvised(Zone
2)orrequested(zone1)toinstalladditionalprotectiondevices.
Checkfollowingpoints:
Pumpflowisalwayshigherthanauthorizedcontinuousminimumflow,
Pumpneverrunsdry,
Normalleakageoftheshaftsealiscontrolled,
Surfacetemperaturebearingshousingsislowerthanthemaximum
admissiblesurfacetemperatureinselectedATEXzone,
Pressureondischargesideofthepumpislowerthanpumpmaximum
allowableworkingpressure.
Setalarmandstoptripsofsensors.
Ineverycasescheck:
Qualityofelectricalconnections,
Protectiondevicesareinstalled,
Auxiliarypipingareconnected,
Flangesconnections,
Suctionlineandpumpcasingarefilledwithfluid,
Motordirectionofrotationiscorrect,
Couplingalignmentiscorrect,
Oillevelwascheckedandgreasingofballbearingshasbeendone,
Couplingguardisinstalled.
8.2 FILLING/VENTING
Beforetheveryfirststartup,pumpcasingandsuctionlinemustbefilled
withfluid(dependingonpipingsystemavacuumpumpmayhavetobe
used).
Pumpcasingshouldbeperfectlyventedtoavoidthatthe
mechanicalsealrunsdry.
Takeprecautionarymeasureswhenmanipulatingdangerous,hot,
coldorpollutingfluids.Wearingindividualprotectivedevicesis
necessary.TheoperatormustknownpotentialHazards.
8.3 STARTUP
Ifabarrierfluid,flushingfluid,coolingfluidoraheatingfluidis
used,checkthatauxiliarysystemsareactivatedandworking
correctlybeforepumpstartup.
Closeisolatingvalveonpumpdischargeside.
Openallvalvesinsuctionline.
Proceedtopumppriming(ifnotalreadydone).Pumpcasingand
suctionpipeshouldbecompletelyfilledwithfluid.
Turnthepumponandcheckdischargepressureincrease.Compare
thispressuretotheshutoffpressureavailableonthehydrauliccurve
Inordertoavoidanimportantoverheatingoftheliquidinsidethe
pumpthepumpshouldnotworkmorethan20to30seconds
againstacloseddischargevalve.
Ifexpectedpressureisreachedthenprogressivelyopenthedischarge
valve.
Ifthereisnoliquiddeliveredorifdischargepressureistoolow
thenseechapter“troubleshooting”.
8.4 RUNNINGCHECKS
Duringoperationofpumpindutyconditions(capacity,head,
temperature,…)thefollowingpointsmustbechecked:
Checkandnotepumpdutypoint.Ifnecessaryconvertpressurevalue
frombarindicatedonthepressuregaugetomwc:
HMT
mce
=(P
bar
x100)/(SGx9,806)withSG=fluidSpecificGravity.
Checkandnotecurrentconsumptiononeachphaseofthemotor.
Checkcalibrationofmotorprotections.
Checktemperatureofballbearings(onbearinghousingsurface).
Checkflexiblecouplingalignmentafterseveralpumpstarts(onlyfor
concernedpumpsvariants).
Checktighteningofflangesfasteningbolts.
Checkthereisnoleakageandnoabnormalrunningnoise.
Whenpumpinghotfluids,thedefinitivecouplingalignmentshould
bedoneonlywhensystemnominaltemperatureisreachedand
stabilized.Seechapter7.1.4COUPLINGALIGNMENT
Checkthesurfacetemperatureonthebearingbracketandonthe
pumpcasing.Checkpumpedfluidtemperature.Alarmandstop
tripssettingsshouldbedoneaccordingthosevalues.Refertospecific
sensorsIOMbeforeadjustingthosetrips.
Ifanexternalflushing,quenchoranexternalheatingisinstalled,the
followingpointsshouldbechecked:
Externalflushing:
Checkflushingpressureandcomparewithfollowingmaximumvalues:
Pressure:
Forimpellerdiameter125:P
suction
+0,5bar
ENGLISH
15
Otherimpellerdiameters:P
suction
+P
differential
+0,5bar
Flow:
Deliveredflowshouldbebetween0,1and0,2m
3
/h
Quench:
MaxPressure=4bar
Heating:
Maxpressure=4barwithwatervaporat140°C
Glandpackingassembly:
Asmallleakageofpackingglandisnecessarytoensureproper
lubricationofthepackingrings(20to40dropsperminuteis
acceptable).Ifthereisnotenoughleakagethenpackingringwillbe
destroyedrapidly.Checkthattheexternalliquidsupplyofthegland
packingisturnedonbeforestartingupthepump(ifapplicable).
Mechanicalsealassembly:
Forpumpsequippedwithaquench,externalflushing,oraheating
system,checkthattheexternalliquidsupplyisturnedonbefore
startingupthepump.Inanycasethemechanicalsealshouldhavetime
tocooldownbetweentwostarts.
8.5 SHUTDOWN
Beforethepumpisstoppedclosethedischargeisolatingvalve.
Ensurethatthepumprunsinthatconditionnomorethanfew
seconds.
Whenthepumphascometoastandstill:closethesuctionisolating
valve.Ifthepumpisequippedwithauxiliarysystemssuchasaquench,
heatingsystem,flushing,externallubrication,etcitmustbeclosedat
thelaststep.
Iftemperatureislikelytodropbelowfreezingpoint,pumpcasing
andauxiliaryconnectedsystemsshouldbecompletelydrainedor
otherwiseprotected.Forprolongedshutdownsanadaptedrust
protectivecoatingshouldbeappliedtotheinsideandoutsideofthe
pump.
Pumpingexplosive,toxicorpollutingfluids:makesurethatall
necessaryactionsweretakentoavoidthecreationofahazardfor
peopleorenvironmentduringdrainageoperations.
ProductswhicharesentbacktoSalmsonmustbedrainedand
cleaned.Pumpedfluidshouldbecompletelyremovedfromthe
pump.
9 MAINTENANCE
9.1 GENERALINFORMATION
Onlyproperlytrainedandskilledstaffshouldundertake
maintenanceoperations.
Onlyauthorizedpersonnelshouldundertakemaintenanceon
ATEXcertifiedequipments.Makesuretoavoidcreationof
explosionhazardwhileproceedingtomaintenanceinaATEXzone.
Alltechnicaldocumentsdeliveredwiththepumpshouldbeknown
andshouldbeavailablenearthepump.
Themaintenancecrewshouldbeinformedabouttheriskslinkedtothe
useofthepumpandtothepumpedfluidsbeforetheycanstartworking
ontheequipment(dangerousproducts,fluidandpumptemperature,
pressurizedparts,…).Theyshouldbeequippedwithallappropriated
individualsafetyprotections(glasses,gloves,…)andshouldrespectlocal
industrialandsecurityrules.
Pumpcontainsapartofpumpedfluidevenwhenitisata
standstill.Drainandflushpumpcasingwithcarebeforestarting
pumpdisassembly.
Appropriateliftingdevicesshouldbeavailabletohelppersonnelmoving
heavyloads.
Themaintenanceareamustbeclearlyidentified.Installwarningboards
withthewords«WARNING:machineunderrepair!»onthepumpand
onthecontrolcabinet.
Anyworkonthemachinemustbeperformedwhenpumpis
stopped.Priortoanymaintenanceorrepairworkthemotor
shouldbeelectricallyisolatedandsecuredagainstuncontrolledstart.
Lockthemainswitchopenanddisconnectcircuitbreaker.Withdrawthe
fusesifany.
WARNING:electricalequipmentsthatmustbepoweredonduringthe
maintenanceworkorpressurizedequipmentsmustbeclearlyidentified.
Endofmaintenanceoperations:allprotectivepartsthatwereremoved
beforemaintenanceshouldbereinstalledandallsecuritydevicesshould
bereactivated.Pumpsurroundingareashouldbecleaned.
9.2 MAINTENANCEANDPERIODIC
INSPECTIONSSCHEDULE
Itisrecommendedtobuildupamaintenanceandinspectionplan
toensureareliableuseofpumpandtoreducemalfunctions
hazards.Followingcheckpointsshouldbeincludedinthismaintenance
plan:
Checkstateandworkingofsecuritiesandauxiliarysystems,
Checkandadjustglandpacking(ifany)forvisibleleakage,
Checkforanyleaksfrompumpgasketsandflangesseals,
Checklubricantlevelandaspectofoil(oillubricatedbearings)in
bearingbracket,
Checkrunningtimeandreplacementfrequencyoflubricants/ball
bearings,
Checkthebearingbrackethousingsurfacetemperatureonball
bearingsarea,
Checkdirtanddustisremovedfrompumpandmotor,
Checkcouplingalignment(dependingonpumpvariant),
Checkifthereisunusualnoises(cavitations,hissing,purring,…)or
excessivevibrations.
CheckpointPeriodicity
StateoftheauxiliarysystemsDependsonequipmenttype.See
dedicatedequipmentIOM
MotorSeemanufacturerIOM
ShaftsealingWeekly
LeaksfromgasketsWeekly
OillevelandgreasequantitiesDaily/Weekly/Monthly
Lubricants(ballbearings)Replacementfrequencyaccordingball
bearingtypeandshaftspeed
BearingssurfacetemperatureMonthly
CleaningTwiceayear
AlignmentandcouplingwearTwiceayear
Noise,vibrationsMonthly
AnchoringqualityYearly
Thosefrequenciesaregivenforinformationonly.Theycouldbeusedas
abasistothecreationofamaintenanceplanwhenstartinganew
installation.Dependingoninstallationconditionsanduse,the
periodicitywillbeshortenedorprolonged.
9.2.1 LUBRICATION
Bearingbracketsizes25,35and45,arefittedwithlifetimelubricated
ballbearingsasastandard.
Bearingbracketssizes55and65,arefittedwithgreaselubricatedball
bearingsandgreasingnipplesasastandardonmotorsideandimpeller
side.
Thesepumpsareavailableuponrequestwithoillubricatedball
bearings.
Recommendedoillubricants:
Brackettemp.<80°CAmbTemp.
<0°C
1500RPM>1500RPM
Typeacc.to
DIN51517CL68CL46CL22
Kinematicviscosity@
50°C
[mm²/s]
61,2to74,841,8to50,819,8to24,2
Corresp.OiltypeSAE20et20WSAE10W
ENGLISH
16
Greasingnipples:
GreaseNLGI2*NLGI3
Temperaturerange20to+100°C
(4to212°F)
20to+100°C
(4to212°F)
Descriptionacc.ToDINKP2K25KP3K20
BPEnergreaseLSEP2EnergreaseLSEP3
ElfMultisEP2MultisEP3
FuchsRENOLITEP2RENOLITEP3
ESSOBeaconEP2BeaconEP3
MobilMobiluxEP2MobiluxEP3
Q8RembrandtEP2RembrandtEP3
ShellAlvaniaEP2AlvaniaEP3
TexacoMultifakEP2MultifakEP3
SKFLGEP2‐
(*)NLGI2isareplacementgreaseandshouldnotbemixedwithother
qualityofgrease.
Bearingbracketsizeandgrease/oilquantity:
BearingbracketsizeOil(liter)
250.22
350.38
450.57
551.50
652.00
BearingbracketsizeGrease(g)
5530
6540
9.2.1.1Oilchangeintervals
Thebearingbracketisdeliveredwithoutthefirstoilload.Before
startupproceedwithoilfillingthroughthefillingport“A”(fitted
withaplug/levelgauge)uptotheindicatedoillevel.
A=Fillingplug
B=Drainplug
C=Constantleveloiler
Aconstantleveloilerisavailableasanoption.Whenoillevel
decreasesinthebearinghousing,aircomesintheauxiliaryoiltank
andallowsoiltogoinsidethebearinghousing.Oilwillruninthebearing
housinguntiloptimumlevel“N”isreachedinside.
Inthiscase,firstfillingofbearinghousingisdonethroughtheupper
portfittedwithaplug.
Levelisreachedwhenoilappearsintheelbowofthefitting(G).(to
check,rotatetank).Thenfillintheauxiliaryoiltankandputbackinits
verticalposition.Alwayscheckthatoiltankisfilledwithoilwhilethe
pumpisrunning.
D=Oiltank
E=Fitting
F=Oiltankfillingport
G=Elbowoftankfitting.
Whenassemblingtheoiltankonthepump,makesureitis
perfectlyvertical(pumpishorizontal).
Oilchangeintervals:
Ifballbearingsarenew,oilloadshouldbereplacedafter200hourof
runningtime,therenewalisasindicatedbelow.
Lightduty,bearingtemperaturebelow5°C,noriskofpollution:oncea
year.
Standarddutyorheavyduty,bearingtemperatureabove50°C,or
pollutionrisk:every6months.
9.2.1.2Greasechangeintervals
Ballbearingsaregreasedbeforedelivery.
Greasechangeintervals
Lightdutyconditions
n<1500RPM
Standardorheavyduty
conditions
1500<n<3000RPM
Every
5000hours
Every
2500hours
Oreach12months
After10000operatinghoursorafter2years,bearingsshouldbe
dismantled,cleanedandfilledagainwithgrease.Forunfavorable
operatingconditions(severelydamp,dustyatmosphereorhotservice)
greasingintervalsmaybeshortened.
Forgreasereplacementorrelubrication,highqualitylithiumsoap
greaseshouldbeused(eg.Mobilux2,EssoUnirexN3,…).
9.3 DISMANTLINGANDREASSEMBLY
9.3.1 DISMANTLING
Makesurethatelectricpowerisdisconnectedandcould
notbeswitchedonagainbyfaultduringmaintenance
operations.
Drainthepipingatleastbetweentheisolatingvalveonsuction
anddischargesides.
Ifnecessarydisconnectanymeasuringsensorsandgauges.
Removedrainpluganddrainthepumpcasing.
Ifnecessary,removeconnectionstomechanicalsealauxiliary
piping.
Ifnecessarydrainoilfrombearingbracketandremoveconstant
leveloilertoavoiddamagesduringfollowingoperations.
Pumpcasingcanbekeptfastenedtopipework.
Removemotorfasteningscrewsandmovethemotorrearwardso
thatthereisenoughspacetoremovethebackpulloutassembly.
Whenusingacouplingwithspacerpart,itisnotnecessary
tomovethemotorrearward.
Dismantlecouplingguard,halfcouplingonpumpside.
ENGLISH
17
9.3.1.1DISMANTLINGBRACKETSSIZES25,35AND45
1.Markthepositionofthepartsinrelationtoeachotherwitha
colorpenorascribingpoint.
2.Removethehexagonalscrews90.10.
3.Withdrawthebackpulloutunitfromthevolutecasing10.20.
4.Removeflatgasket40.00.
5.Removescrews90.13andremoveprotectivescreen.
6.Loosenimpellernut92.20.
7.Removeimpeller23.00andkey94.01.
Designwithstuffingbox
1.Removethescrews91.40andremovethecasingcover16.10.
2.Removenuts92.01andstudbolts90.21.
3.Loosenscrews90.23andremovestuffingbox45.10andgland
45.20withthepressurering45.70.
4.Tearoutpackingrings46.10andremovelanternring45.80.
5.Slideoutshaftsleeve52.40.
Repacking:
Whenrepacking,thewornpackingringsandthelanternringshould
beremovedcarefullyfromtheshaftsealchamber.Theshaftand
shaftsleevemustnotbedamaged.Otherwiseaperfectsealing
cannotbeguaranteedanymoreandtheshaftsleeveshouldbe
replaced.Ifthepumpisinstalled,cutpackingringsdiagonally,bend
theminaspiralshape,positionthemonthepumpshaftandbend
themcarefullyintoaringform.Pushthepackingringsandthe
lanternringusingtheglandintotheshaftsealingchamber.Thecut
jointsshouldbestaggeredby180°.Tightentheglandadjustingnuts
steadilyuntilresistanceisfeltwhenrotatingthepumpshaftby
hand.Removetheglandagainandfastenthenutsslightly.Ifthe
pumpisdismantled,itisusefultopushthepackingringsinthe
deliveredcondition,thatmeansclosedovertheshaftsleeve.
Designwithmechanicalseal:
1.Slideoutthespacerring50.40.
2.Removetherotatingpartofthemechanicalseal43.30.
3.Removethescrews91.40andremovethecasingcover16.10.
Designwithquench:
Removecover16.50,Oring41.23andlipseal42.11.
Designwithexternalheating
Removecover16.50,Orings41.22and41.23.
4.Pushoutthestaticpartofthemechanicalseal43.30andpin
56.10ifnecessary.
ENGLISH
20
Fastencover16.50andcasingcover16.10.
8.Assemblebearingbrackethousing33.00andcasingcover16.10.
9.Installrotatingpartofthemechanicalseal43.30andspacerring
50.40.
10.Pressthekey94.01intheshaft,slideimpeller23.00ontothe
shaftandtightenimpellernut92.20.Installguards68.10with
captivescrews90.13.
11.Adjustthecasingseal40.00betweenbackpulloutassemblyand
casing.Tightenscrews90.10.
9.3.2.2ASSEMBLYOFBEARINGBRACKETSSIZES55
AND65
1.Fittheshaftunit.
2.Iftheshaftistobefittedwithnewbearings,theyshould
beheateduptoatemperatureof80ºCbeforeassembling.
First,installtheballbearing32.11,thenthecirclip93.21andfinally
ballbearing32.10.Makesurethatthebearingispressedagainstthe
shouldersoftheshaft.
3.Ifthelipsealshavebeenpreviouslyremoved,theymustbe
exchanged.Thelipsealsshouldbefittedintothebearingcoverwith
abush,pressingontheexternalringoftheseals.Thelipsshould
pointtowardsthebearingafterinstallation.Payattentiontothe
installationofballbearingcovers.
4.Installballbearingcoveronpumpsidewithflatgasket40.02and
greasingnipple63.60ifneeded.
5.Insertcirclips93.21inthegrooveofthebearingbrackethousing
33.00.
6.Installballbearingcover36.01withtheflatseal40.02andthe
greasingnipple63.30ifneeded.
7.Screwtheplug67.20,theoillevelsight64.20andtheCLO63.80
(oillubricatedballbearings).
8.Fastenfoot18.30andslidethethrowerontotheshaft50.70.
Designwithstuffingbox:
9.Slidetheshaftsleeve52.40ontotheshaft.
10.Installoneofthepackingrings46.10inthepackinghousing,the
lanternring45.80andthen,theremainingpackingringsandthe
gland45.20.
11.Screwthestudbolts90.21intothecasingcover,addwashers
55.40andnuts92.01.Adjustthestuffingboxtightening.
12.Installwearring50.21withstopscrews56.00.
Designwithmechanicalseal:
9.Installthemechanicalsealcover47.10withthemechanicalseal
stationarypart43.30anditspin56.10ifnecessary,thenplacethe
flatgasket40.06andscrews90.24.
10.Slidetheshaftsleeve52.30withtherotatingpartofthe
mechanicalseal43.30andthespacerring50.40.
11.Insertthewearring50.21andstopscrews56.00incasingcover.
Screwstudbolts90.22.
12.Assemblecasingcover16.10andbearingbracket33.00.Tighten
nuts92.02.
ENGLISH
22
10 FAULTS,CAUSESANDREMEDIES
FaultCauseRemedy
Thepumpis
not
producing
therated
floworhead
‐DischargepressureistoohighOpenandcleandischargepipe
Checkpumpdutypoint
‐PumporpipingisnotcompletelyventedorfilledVentpumpcasing
Fillcompletelysuctionpipewithliquid
‐Suctionliftistoohigh/NPSHavailableistoolowCheckliquidlevels
Checkthatbothsuctionanddischargeisolatingvalvesareopen
Cleanfilters
‐ImpellerlaminatingringiswornReplaceimpellerCheckwearinthecasing
‐WrongdirectionofrotationChangetwophasesinmotorjunctionbox
‐Leakageonpumpcasinggaskets,onshaftsealingoronsuctionpipingCheckthetighteningofthecasingcoverfasteningnuts
Replacecasingseal
Replacemechanicalseal
Checktighteningofflangesfasteningbolts
Checkstateofflangesgaskets
Pumpdoes
notprimeor
not
continuously
‐Casing,shaftsealing,footvalveorsuctionpipingleaksReplacecasingseal
Checkshaftsealing
Checktighteningofflangesfasteningbolts
Checkaspectofflangesgaskets
‐Suctionliftistoohigh/NPSHavailableistoolowIfsuctionliftoperationthencheckliquidlevels
Checkthatisolatingvalveonsuctionlineisopened
Cleanfiltersifany
CheckthatavailableNPSHoftheprocessishigherthanthepumprequiredNPSH
‐LooseorjammedpartinthepumpRemovethebackpulloutassemblyandcleantheinsideofpump
Pumpleaks
‐CasingsealleaksCheckthetighteningofthecasingcoverfasteningnuts
Checktheaspectofthecasingseal
‐Shaftsealingleaks(mechanicalseal)ChecktheaspectofthemechanicalsealfacesandO’Ring
Proceedwithreplacementofthemechanicalsealifrequired
‐Shaftsealingleaks(stuffingbox)Ifpossibleretightenthegland.Ifnotpossiblereplacepackingrings/shaftsleeve
Temperature
ofpump
increases
‐PumporpipingisnotcompletelyfilledwithliquidVentpumpcasingandsuctionline
Fillcompletelythesuctionpipewithliquid
‐Suctionliftistoohigh/NPSHavailableistoolowIfsuctionliftoperationthencheckliquidlevels
Checkthatisolatingvalveonsuctionlineisopened
Cleanfiltersifany
CheckthatavailableNPSHoftheprocessishigherthanthepumprequiredNPSH
‐PumprunsagainstclosedvalveOpenisolatingvalveondischargeside
Temperature
ofbearing
bracket
increases
‐Oillubricatedballbearings:oillevelistoolowinbearingbracketAddoilinbearingbracket
Checkforaleakage
‐CouplingnotproperlyalignedMakepropercouplingalignment
Pumpruns
noisily
‐PumpormotorballbearingiswornIdentifyandreplacewornballbearing
‐PumporpipingisnotcompletelyfilledwithliquidVentpumpcasingandsuctionline
‐Suctionliftistoohigh/NPSHavailableistoolowIfsuctionliftoperationthencheckliquidlevels
Checkthatisolatingvalveonsuctionlineisopened
Cleanfiltersifany
CheckthatavailableNPSHoftheprocessishigherthanthepumprequiredNPSH
‐ Pumpisnotproperlyleveledorbaseplateisdistorted.Excessiveforcesappliedon
flanges
Checkpumpinstallation
‐ForeignmaterialinthepumpRemovebackpulloutassemblyandcleantheinsideofpumpcasing
Motor
protection
switchesoff
‐CurrentleakageCheckearthingofmotor
Findouttheoriginofcurrentleakage:damagedcables,fluidleakageonelectrical
components,
‐StuffingboxovertightenedLoosenpackingglandandcheckpackinglubrication
Replacepackingrings
‐ProtectionfusesnotcalibratedproperlyCheckmotorcurrentandselectmotorprotectionaccordingly
‐LiquiddensityishigherthanexpectedCalculateabsorbedpowerandreplacemotoraccordingly
‐PumprunsrightofcurveoroutofapplicationlimitsMeasurepumpdutypointandcheckpumprunsinauthorizedapplicationlimits.If
necessaryaddaregulatingvalveoracalibratedorificeonpumpdischargeline
‐ForeignmatterremainsinsidethepumpcasingRemovebackpulloutassemblyandcleantheinsideofpumpcasing
ENGLISH
23
11 RECYCLINGANDENDOFPRODUCTLIFE
Attheendoftheservicelifeoftheequipmentorits
parts,therelevantmaterialsandpartsshouldberecycled
ordisposedofusinganenvironmentallyacceptable
methodandincompliancewithlocalregulations.Ifthe
pumpcontainssubstancesthatareharmfultothe
environment,theseshouldberemovedfromthepumpanddisposedof
incompliancewithcurrentlocalregulations.Thisalsoappliestoliquids
and/orgasesthatmaybeusedinauxiliarysealingsystems.
Evenwhendismantledfromtheprocesslinethepumpmay
containapartofpumpedfluid.Makesurethatdangerousliquids
havebeeneliminated.Securityrequirementsavailableinthefluidsafety
datasheetsshouldberespected.Suitablepersonnelprotective
equipmentshouldbeusedwhendismantlingthepump.
12 SPAREPARTS
12.1 SECTIONALDRAWINGANDBILLOF
MATERIAL
Thepumpsectionaldrawingandbillofmaterialisavailable
uponrequest.ThedemandshouldbesenttoourSpare
partsDpt.andshouldmentionpumpdescriptionandserialnumber.
Dataareengravedonthepumpnameplateandavailableinthe
acknowledgementoforder.
ENGLISH
25
Singlemechanicalsealarrangement:Singlemechanicalseal+externalquench:

Singlemechanicalseal+backcoverheating:  Singlemechanicalseal+externalflushing:
 
Shaftsealingwithstuffingbox:
Lifetimelubricatedballbearings:

ENGLISH
30
12.3 RECOMMENDEDSPAREPARTS
Whenthepumprunsontheselecteddutypoint,maintenance
operationsareverylimited.Toreduceriskofunexpectedmaintenance
operationsitisrecommendedtocreateandfollowamaintenanceplan.
Inanycase,followingsparepartsshouldbekeptonstocktoensurea
quickrestart:
Mechanicalsealorasetofpackingrings,*
Setofbearingbracketballbearings*,
Setofshaftbearing*,
Setofmotorballbearings(forframesize>90),
Completesetofsealsandgaskets,
Couplingelasticpart(s)*,
Automaticgreasingcartridge*.
(*):somepartsmaynotconcernyourpump.OurSparePartsDptwill
confirmpumpbillofmaterialaccordingtotheserialnumberengraved
onpumpnameplate.
12.4 RECOMMENDEDSPAREPARTSFOR2
YEARSOPERATION
Sparepartslistcanbeerectedusingtherecommendedlist
availableintheDIN24296.
Forexample,recommendedsparepartsandquantitiesforoneortwo
pumpsinstalled(tobeadaptedaccordingthepumpdesign):
Impeller:1(or1set),
Shaft:1,
Impellernut:1,
Shaftseal:2,
Bearingbracketballbearing:1ofeachtype,
Bearing*:1ofeachtype,
Casing/stageseal:4completesets,
Mechanicalseal:1,
Packingring*:2sets,
Automaticgreasingcartridge*:2.
(*):somepartsmaynotconcernyourpump.OurSparePartsDptwill
confirmpumpbillofmaterialaccordingtotheserialnumberengraved
onpumpnameplate.
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