salmson NOLH Operating instructions

Brand: salmson

Model: NOLH

Type: Operating instructions

This manual is also suitable for

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NOS

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NOLH

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INSTALLATION ET MISE EN SERVICE

INSTALLATION AND OPERATING INSTRUCTIONS 

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N.M.S.n°40868051/Ed.3/ 10‐13

FRANÇAIS

ENGLISH 

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FRANÇAIS 

11

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Aspirationaxex:

DN

brides

Fy

(N)

Fz

(N)

Fx

(N)

F

(N)

My

(N.m)

Mz

(N.m)

Mx

(N.m)

M

N.m)

507506808301300480550670990

65970890110017105506007601120

8012101100134021206106908401250

10016501490184028807008109801450

1251990179022103470900114012601920

15025502300283044501120131016002350

20034503110385060301660191023403440

25043203920484075802520292035605250

30052204700583091303780436053207850

3506120551068201069052806100744010970

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5.2.7 ETENDUEDELAFOURNITURE

Lapompepeutêtrelivréeengroupecompletavecmoteur,

accouplement,protecteurd’accouplementetchâssis.

Ellepeutaussiêtrefourniearbrenuousansundeceséquipements.Un

certificatd’intégrationCEestalorsfourni.

Lanoticedemiseenservicefaitpartieintégrantedelafournitureetdoit

êtrelivréeaveclematériel.Sicen’étaitpaslecas,enfairelademande

auprèsdenosservicestechniques.



LespompesATEXpeuventêtrelivréesavecuneinstrumentation

spécifiquesuivantlescas.Sereporterauxspécifications

techniquesdumatérielet/ouàl’accuséréceptiondelacommandepour

enconnaitrelalisteexhaustive.

6 DESCRIPTIONETFONCTIONNEMENT

6.1 DESCRIPTIONDUPRODUIT

LapompeNOLHestunepompecentrifugemonocellulairehorizontale

PN16.Sesperformancesetsesdimensionsprincipalescorrespondentà

lanormeEN733.Elleestdimensionnéepourrépondreauxexigencesde

lanormeISO5199.

Saconceptionprocesspermetledémontagedel’ensemblepalier/roue

sansqu’ilsoitnécessaired’intervenirsurlestuyauteriesd’aspirationet

derefoulement.L’utilisationd’unaccouplementsemi‐élastiqueàspacer

permetd’effectuercetteopérationsansqu’ilsoitnécessairededéplacer

lemoteur.

Cettepompeestdestinéeaupompagedeliquidesclairsoulégèrement

troubles,necontenantpasdeparticulessolides.

Lepassageoccasionneld’impuretéspouvantatteindre3mmenfonction

delatailledepompeestpossiblemaisréduiraladuréedeviedela

pompe.

6.2 FONCTIONNEMENT

LapompeNOLHestunepompecentrifugeàaspirationaxialeet

refoulementvertical.

Cespompesfonctionnenthabituellementà1450ou2900tr/mnselonla

pressionsouhaitéeaurefoulement.

Unepompecentrifugeestconstituéed’uneroue(impulseur)tournant

autourdesonaxe(senshorairevucôtéentraînement).Laroue

communiquecemouvementderotationauliquidequiestaspiréà

traverslesaubesdelarouepuisprojetéversl’extérieurdel’impulseur.

Lagéométriedel’hydrauliquepermetdetransformercetteénergie

cinétiqueenpression.

LespompesNOLHnepeuventpass’amorcerseules.Latuyauterieà

l’aspirationdelapompedoitêtrecomplètementrempliedeliquide

avantledémarragedelapompe.

Lorsquecelaestnécessaireousimplementpouroptimiserl’efficacitéde

lapompe,ilestpossibledemodulerledébit/pressiondeplusieurs

façons.

Enmodifiantlescaractéristiquesduréseau:unevannederéglageest

installéeaurefoulementdelapompe.Ellepermetd’augmenteroude

diminuerlapertedechargeduréseauetdoncdedéplacerlepointde

fonctionnementdelapompe.

Enmodifiantlescaractéristiquesdelapompe:unvariateurdevitesse

permetdemodifierlavitessed’entrainementdel’arbredepompe.La

courbehydrauliquesedéplacealorsquelediamètrederouedela

pompeestconservé.

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7 MONTAGEETRACCORDEMENT

ELECTRIQUE

7.1 IMPLANTATION

Leséquipementsdevantfonctionnerenzonedangereuse

classifiéeATEXdoiventêtrecertifiésetrépondreauxrèglementationsen

vigueur.



L’implantationdelapompedoitpermettreuneventilationcorrectedu

moteurélectriqueenrespectantlacontrainteci‐après:

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L’accessibilitéàlapompepourlesopérationsdecontrôleetde

maintenanceultérieuredoitêtrepriseencompte.

Vérifierlaprésencedesmoyensdelevageadaptésàproximitédela

pompe.

7.1.1 FONDATIONS

Ilestpossibled’installerlegroupemotopompesurdifférentssupports

(solbétonné,massifbéton,poutrellesmétalliques,…).Lechoixdece

supportetsondimensionnementsontdelaresponsabilitéde

l’utilisateur.Ilaurauneinfluencesurleniveaudebruitetlesvibrations

renvoyéesparlamachine.



D’unemanièregénérale,lesrèglessuivantesdoiventêtrerespectées:

‐ Lechâssisoulaplaquesupportdelapompedoitêtrefixésurdes

fondationsnerisquantpasdesedéformerlorsdufonctionnementdela

pompe.

‐ Lebétonutilisépourcoulerlemassifdefondationdoitêtre

suffisammentrésistant(aumoinsX0suivantlaDIN1045).Lamasse

recommandéepourdimensionnerlemassifbétondoitêtre3fois

supérieureàcelledugroupecomplet.Cecipermetdedéterminerla

hauteurdumassifenconnaissantlalongueuretlalargeurdecedernier

ainsiquelamassevolumiquedubétonutilisé.

‐ Lasurfacedevantaccueillirlapompedoitêtreplaneetnedevrapas

engendrerdedéformationssurlechâssisaprèsserrage.Silaplanéitén’a

puêtreassurée,lechâssisdevraêtrecalépourfairedisparaîtrele

défaut.Aprèsserrage,undéfautdeplanéitéde0,4mm/mmaxiest

acceptableàlasurfaceduchâssis.



Lespompessurchâssissontlignéesenusine.Lorsducontrôledu

lignage,undéfautd’alignementindiqueraunedéformationdu

châssisetnécessiteraunerepriseducalage.

Mêmesitouteslesprécautionsontétépriseslorsdelaréalisationdes

fondations,ilestimpératifdecontrôlerl’alignementdesdemi‐

accouplementsaprèsimmobilisationdéfinitiveduchâssis.

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FRANÇAIS 

26

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MontageGMsimple:MontageGMsimple+quenchextérieur:

 

MontageGMsimple+réchauffagefonddecorps:  MontageGMsimple+flushingextérieur:

 

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Etanchéitéparpresse‐étoupeàtresses:

Avecpalieràroulementslubrifiésàvie:

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ENGLISH 

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3

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CONTENTS

1Generalinformation................................................................................................................................................................................................5

1.1Aboutthisdocument................................................................................................................................................................................................5

2Safety......................................................................................................................................................................................................................5

2.1Symbolsusedintheseinstructions...........................................................................................................................................................................5

2.2Personnelqualification..............................................................................................................................................................................................5

2.3Dangerineventofnon‐observanceofthesafetyinstructions..................................................................................................................................5

2.4Safetyinstructions.....................................................................................................................................................................................................5

2.4.1Safetyinstructionsfortheoperator...................................................................................................................................................................5

2.4.2Safetyinstructionsfortheequipment................................................................................................................................................................5

2.5Safetyinstructionsforinspectionandinstallationwork...........................................................................................................................................6

2.6Modificationofequipmentanduseofspareparts...................................................................................................................................................6

2.7Improperuse.............................................................................................................................................................................................................6

2.8Pumpsetdeliveredwithoutmotor............................................................................................................................................................................6

2.9Securityinstructionstobeappliedonequipmentsusedinpotentiallyexplosiveatmosphere.................................................................................6

2.9.1SpecificmarkinginstructionsforATEX................................................................................................................................................................6

2.9.2FluidTemperature..............................................................................................................................................................................................6

2.9.3buildupofexplosivemixture..............................................................................................................................................................................6

2.9.4Preventingleakage.............................................................................................................................................................................................7

2.9.5Completeunit.....................................................................................................................................................................................................7

2.9.6Pumpunitdeliveredwithoutmotor/withoutsensors......................................................................................................................................7

2.9.7Couplingguard....................................................................................................................................................................................................7

2.9.8Maintenancetoavoidhazardcreation...............................................................................................................................................................7

2.9.9Preventingsparkscreation.................................................................................................................................................................................7

3Transportandstorage..............................................................................................................................................................................................7

3.1Safetymeasures........................................................................................................................................................................................................7

3.2Delivery.....................................................................................................................................................................................................................7

3.3Shorttermstorage....................................................................................................................................................................................................7

3.4Handling....................................................................................................................................................................................................................7

4Intendeduse............................................................................................................................................................................................................8

5Description..............................................................................................................................................................................................................8

5.1Typekey....................................................................................................................................................................................................................8

5.2Technicalcharacteristics...........................................................................................................................................................................................8

5.2.1Materials.............................................................................................................................................................................................................8

5.2.2Performanceandoperatinglimits......................................................................................................................................................................8

5.2.2.1pressure........................................................................................................................................................................................................8

5.2.3Directionofrotation...........................................................................................................................................................................................9

5.2.4Noiselevel..........................................................................................................................................................................................................9

5.2.5Connections........................................................................................................................................................................................................9

5.2.6Permissibleforcesandmoments........................................................................................................................................................................9

5.2.7Scopeofdelivery..............................................................................................................................................................................................10

6Descriptionandworkingprinciple..........................................................................................................................................................................10

6.1Productinformation................................................................................................................................................................................................10

6.2Function..................................................................................................................................................................................................................10

7Installationandelectricalconnection.....................................................................................................................................................................11

7.1Location...................................................................................................................................................................................................................11

7.1.1Foundation.......................................................................................................................................................................................................11

7.1.2Anchoring.........................................................................................................................................................................................................11

7.1.3Positioning........................................................................................................................................................................................................11

7.1.4Couplingalignment...........................................................................................................................................................................................11

7.2Pipework................................................................................................................................................................................................................12

7.3Electricalconnection/Earthing..............................................................................................................................................................................13

7.3.1Terminalstrippositionningforstar(Y)anddelta()connection(multi‐voltageselectricmotors).................................................................13

7.3.2Lowervoltage:connection...........................................................................................................................................................................13

7.3.3Highervoltage:Yconnection...........................................................................................................................................................................13

7.3.4Y/starter:.....................................................................................................................................................................................................14

7.4Useofafrequencyinverter.....................................................................................................................................................................................14

8Start‐up.................................................................................................................................................................................................................14

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ENGLISH 

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6

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Operatingthepumpatlowerflowratesmaycauseareductionof

ballbearings/bearinglifetime,overheatinginpumpsealing

chamber,instabilityandcavitations/vibration.

Neverremoveprotectingcoversorcouplingguardwhenpumpis

readytorun.Thosepartscanonlyberemovedduring

maintenanceoperations.



2.5 SAFETYINSTRUCTIONSFORINSPECTION

ANDINSTALLATIONWORK

Theoperatormustensurethatallinspectionandinstallationwork

arecarriedoutbyauthorizedandqualifiedpersonnel.The

operatorsmustbesufficientlyinformedandmustknowthecontentof

theseinstructionsandoftheincorporatedmaterialsinstructionsbefore

anyoperationiscarriedoutonpumpsandaccessories.

Accesstotheproductmustonlybecarriedoutwhenpumpisata

standstill.Itismandatorythattheproceduredescribedinthe

installationandoperatinginstructionsforshuttingdownthepumpset

arefullyrespected.



Allprotectionsandsecuritydevicesmustbereactivatedor

switchedonimmediatelyafterworksareended.



2.6 MODIFICATIONOFEQUIPMENTAND

USEOFSPAREPARTS

ModifyingtheproductisonlypermittedafteragreementofSalmson.

Useofgenuinesparepartsandaccessoriesauthorizedbythe

manufacturerensuresafetyandproperworkofthepump.



2.7 IMPROPERUSE

Theoperatingsafetyoftheproductisonlyguaranteedforconventional

useandinaccordancewiththetechnicalofferandthisoperating

instructions.Thelimitvaluesindicatedintherelevantcatalogue/data

sheetmustnotbeexceeded.



2.8 PUMPSETDELIVEREDWITHOUTMOTOR

Whenpumpsetisdeliveredwithoutanymotor(aCEintegration

certificatehasbeensuppliedwiththepump)itistheend‐user’s

responsibilitytoensurethatallregulationrequirementsarerespected

togetaCEmarking.

Certificationofthecompletepumpsetwillbefromintegrator

responsibility.HewillensurethataIlspecificationslistedinthis

instructionsarefullyrespected.



2.9 SECURITYINSTRUCTIONSTOBE

APPLIEDONEQUIPMENTSUSEDIN

POTENTIALLYEXPLOSIVEATMOSPHERE

Thischaptercontainsoperatinginstructionsthathavetobe

consideredwhenusingthepumpinapotentiallyexplosive

atmosphere.TheATEXadditivesuppliedwiththepumpwillbe

consideredaswell.

Thischapterindicatessupplementaryinstructionsto:

 Avoidexcessivesurfacetemperature,

 Avoidbuildupofexplosivemixture,

 Avoidsparkscreation,

 Preventleakages,

 Ensurepropermaintenancetoavoidhazard.

Thefollowinginstructionsforthepumpandpumpunitsshallbe

followedwhentheequipmentisinstalledinapotentiallyexplosive

atmosphere.Ex‐proofprotectionisensuredonlyifthepumpunitand

suppliedaccessoriesareinstalledaccordinginstructiongiveninthis

instructionandoperatingmanual.Bothelectricalandnon‐electrical

equipmentmustmeettherequirementsofEuropeanDirectiveATEX

94/9/EC.



2.9.1 SPECIFICMARKINGINSTRUCTIONSFOR

ATEX

AnexampleofATEXequipmentmarkingisshownhereunderfor

information.DedicatedATEXclassificationisengravedonpump

nameplateandindicatedintheATEXadditive:



II‐2Gc(x)‐Exd‐IIBT4



With:

EQUIPMENTGROUP:

II=Non‐mining



CATEGORY:

2=highprotection(zone1)

3=normalprotection(zone2)



GASorDUST:

G=Gas

Thosepumpsarenot«D»Dustcertified.



PUMPPROTECTION:

c=safebyconstruction

X=respectspecialinstructionforequipmentintegration



MOTORENCLOSURE:

Exd=flameproof

Exd(e)=flameproofframeandincreasedsafetyjunctionbox



GASGROUP:

IIA‐Propane

IIB‐Ethylene

IIC‐Hydrogen



MAXIMUMSURFACETEMPERATURE(TemperatureclasstoATEX

94/9/EC):

T1=450°C

T2=300°C

T3=200°C

T4=135°C

T5=100°C

T6=85°C

T(x)=variabletemperatureorpumpusedinseveralareas.

2.9.2 FLUIDTEMPERATURE

Ensurethattheequipmenttemperatureclassissuitableforthe

hazardzone.Itistheplantoperator’sresponsibilitytoselectthe

Atexzoneinwhichthepumpisinstalled.



Pumptemperatureclassisasstatedonthenameplate.Itisbasedona

maximumambienttemperatureof40°C.(askSALMSONforuseinhigher

ambienttemperatures).

Thesurfacetemperaturetakenonpumpsurfaceisinfluencedbythe

temperatureofthehandledliquid.Themaximumpermissible

temperaturedependsontheATEXtemperatureclassandmustnot

exceedthevaluesindicatedintheATEXadditiveattachedtothepump.

Theshaftsealandbearingstemperatureriseduetotheminimum

permittedflowratearetakenintoaccount.

Themaximumfluidtemperaturesindicatedbelowaregiven

accordingly:

T1400°C

T2275°C

T3180°C

T4115°C

T580°C

T6needSALMSONapproval



Ifthereisarisktorunthepumponacloseddischargevalveitis

requestedtomonitorsurfacetemperature.Motoroverloadtrips

shouldbecorrectlycalibrated.Proceedwithregularcleaningsifpumpis

installedindirtyordustyenvironment.

2.9.3 BUILDUPOFEXPLOSIVEMIXTURE

Ensurethatpumpcasingandmechanicalsealchamberare

correctlyventedandthatpumpwillnotrundry.



ENGLISH 



7

Makesurethatthepumprunswithfilled‐insuctionanddischargelines

toavoidbuildupofanexplosiveatmosphere.Inadditionitisessential

thatauxiliarysealingsystemsareproperlyfilled.

Toavoidpotentialhazardsfromfugitiveemissionsofvapororgasto

atmospherethesurroundingareashouldbecorrectlyventilated.

2.9.4 PREVENTINGLEAKAGE

Thepumpmustonlybeusedtohandletheliquidsforwhichithas

beendefined.



Ifthepumpisinstalledoutdoor,makesureliquidcontainingpartsare

drainedand/orprotectedagainstfreezing.



Ifleakageofliquidtotheatmospherecanresultinahazardthena

leakagedetectionsensorshouldbeinstalled.

2.9.5 COMPLETEUNIT

ATEXcertificationforacompleteunitaccordingtoATEXDirective

94/9/CEisgivenaccordingtolowerprotectionlevelofthe

integratedcomponent.Thiscommentappliesparticularlytotheelectric

motorprotection.

2.9.6 PUMPUNITDELIVEREDWITHOUTMOTOR/

WITHOUTSENSORS

Ifapartialdeliveryisrequired(electricmotor,flexiblecoupling,

couplingguardorsensornotsupplied),anintegrationcertificate

willbeestablished.

Itwillbetheintegrator’sresponsibilitytosupplymissingpartsinorder

tofulfillATEXrequirementsforthecompletemachine.

2.9.7 COUPLINGGUARD

ThecouplingguardusedinapotentiallyATEXatmosphereshall

meetfollowingrequirements:

 Consistofnon‐sparkingmaterial(e.gbrass),

 Mustbemadeofantistaticmaterial,

 Mustbedesignedinsuchawaythattherotatingpartswill

notcomeincontactwithanypartoftheguardafterachoc.

2.9.8 MAINTENANCETOAVOIDHAZARD

CREATION

WhenapumpisusedinapotentiallyATEXatmosphereitis

necessarytocheckregularlythefollowingparametersandrespect

amaintenanceplantoensurethattheequipmentrunsinperfect

technicalconditions.



Followingregularchecksaremandatory:

 Noleakageoftheshaftseal,

 Ballbearingstemperature(onbrackethousingsurface),

 Nocavitationsandnoabnormalrunningnoises,

 Correctpositionofisolatingvalvesandfunctionofmotorized

valves.

Ifsomepartsarewornorworkinginbadconditionsthepumpmustbe

stoppedimmediatelyandputinsafetyuntilmaintenanceoperationsare

performed.Originofdefault(s)shouldbeeliminated.

2.9.9 PREVENTINGSPARKSCREATION

Necessarymeasuresmustbetakentoavoidsparkscreationincaseof

externalimpact.

Baseplateandpumpsetelementsmustbeproperlygrounded.Ensure

continuitybetweencomponentsofthegroup.



Itappliesto:

‐ Pumphydraulics,

‐ Couplingguard,

‐ Motorframe,

‐ Baseplate.



Thethreadedholeortheearthingplatelocatedonthebaseplateshould

beusedtomakeproperearthing.



3 TRANSPORTANDSTORAGE

3.1 SAFETYMEASURES

Neverrestbelowasuspendedload.



 Keepasafedistancewhiletheloadisbeingtransported.

 Checkequipmentweightandchooseslingsandotherlifting

devicesaccordingly.Liftingequipmentsshouldbeingoodconditions.

 Adjustthelengthoftheliftingdevicessothatpumpor/and

pumpssetismovedhorizontally.

 Liftinglugsoreyeboltsthataresometimesattachedtothe

pumportothemotorshouldnotbeusedtoliftacompletepumpset.

Theyshouldbeusedonlytoliftpumppartsduringdismantling

operations.

 Usetheliftingpointsthatarementionedonthepumpsetor

refertofollowinginformation.



3.2 DELIVERY

Afterreceptionofgoods,thedelivereditemsmustbeinspected

fordamage.Checkthatallpartsarepresent(checkdescription

andquantitiesagainstdelivery/shippingdocuments).Ifanypartsare

damaged,missingoriftransportationdamageisvisible,thisshouldbe

notedonthefreightdocumentationoronthedeliverynote.

Donotseparateattacheddocumentationfromthepump.

Unpackthegoodandeliminatepackagingaccordingenvironmental

requirements.

Donotremovecapsfrompumpflangesifpumpwillnotbeinstalled

immediately.



3.3 SHORTTERMSTORAGE

Leavepipingconnectioncapsfastenedtokeepdirtandforeign

materialoutofpumpcasingduringstorage.

Ifthepumpwillnotbeusedimmediatelyafterdelivery,itmustbe

storedinatemperate,dry,ventilatedlocationandawayfrom

vibrations.Turnthepumpshaftatintervals(everymonth)toavoid

brinellingofthebearingsandthesealfacesfromsticking.Close

protectivepackingwhendone.

Ifstoredasdescribedabove,thepumpcanbestoredupto6months.

ConsultSALMSONforpreservativeprocedurewhenalongerstorage

periodisrequired.



3.4 HANDLING

Dependingontheirdesignsomepumpscanfalloverbeforethey

aredefinitivelyfastenedtothefloor.Takeallnecessaryactionsto

ensurethatno‐onecanbecrushedwhiletheequipmentismoved.

Acranemustbeusedtoliftallequipmentexceeding25Kg.

Palettes,cratesorboxescanbemovedorunloadedbyusinga

fork‐lifttruckorahoistdependingonliftingdevicesavailableonsite.

Onlysuitableliftinggearandloadcarryingequipmentwithvalidtest

certificatesandadequateliftingcapacityfortheloadsinvolvedshould

beusedtoliftandcarrythegoods.Onlyauthorizedpersonalshould

proceedtopumptransportationandtheymustrespectlocalregulations.

Weightofgoodsisindicatedonthedeliverynote.

Onlyusesuitableliftingpointsthatareindicatedonthe

equipmentandrespecthereafterliftingandtransportation

sketches.Pumpsshouldneverbelifteddirectlywithslings.Hooksmust

beusedandplacedindedicatedliftingholes.Choseproperslinglength

orusealiftingbeam.



Liftingabareshaftpump:



ENGLISH 



8



Liftingapumpset:



4 INTENDEDUSE

NOLHpumpsareusedforhandlingofclearorslightlyturbidfluids

withoutanyparticlecontent.

DesignedaccordingtoEN733&ISO5199thispumpcanbeusedto

replacemostofnormalizedpumps.

Variousmaterialsandshaftsealingsareavailabletomatchmajor

industrialneeds.

NOLHpumpsareusedineverykindofindustrialplants,forHVAC,water

supply,irrigation,…



5 DESCRIPTION

5.1 TYPEKEY

Pumpdescriptionisengravedonpumpnameplate.Itgivesa

generaldescriptionofpumpdesign.Thenameplateisattachedto

pumpbearingbracket.



DescriptionofaNOLHpumpiscreatedasfollows:



Example:NOLH32‐160A‐FAJ‐32‐T0,55/4K‐2D‐X

NOLHPumpproductline

32Nominaldiameterofdischargeflange[mm]

160ANominaldiameterofimpeller[mm]andhydraulic

type

FMaterialusedforcasingandcasingseal

AMechanicalsealtype

JMechanicalsealfacesandO’Ring

3Ballbearingtype

2Elasticcouplingmodelforpumpset

TTypeofelectricpowersupply

0,55InstalledpowerP2[KW]

4Numberofpole

KMotoroption

2DATEXoption

XSpecificity



Detailedtechnicalfeaturesoftheproductaredescribedin

acknowledgmentoforderoruponrequesttoSALMSONCustomer

Department.



5.2 TECHNICALCHARACTERISTICS

5.2.1 MATERIALS

 Material

Casing:castiron(EN‐GJL250)orstainlesssteel(AISI316).

Casingcover:castiron(EN‐GJL250)orstainlesssteel(AISI316).



Shaft:steel(X20Cr13‐AISI420)orstainlesssteel(AISI316).

Impeller:castiron(EN‐GJL250),stainlesssteel(AISI316)orbronze(G‐

CuSn10).

Bearinghousing:castiron(EN‐GJL250).

Shaftsleeveforbearingbracketsize55and65:steel(X20Cr13‐AISI

420).

Shaftsleeveforpackingglandarrangement:steel(X20Cr13‐AISI

420)orstainlesssteel(AISI316).



 Sealing

Casinggasket:flatsealmadeofaaramidfiberscompoundorflexible

PTFE.

Shaftsealing:singlemechanicalseal(flushingorquenchasanoption)

orpackinggland.VarioustypesoffacesmaterialsandO’ringsare

available.Seeacknowledgementoforderfordetaileddescription.

5.2.2 PERFORMANCEANDOPERATINGLIMITS

TEMPERATURE

Pumpswithsinglemechanicalsealarrangement:from‐20°Cto+120°C.

Pumpswithglandpackingarrangement:from‐40°Cto110°C



5.2.2.1 PRESSURE

Allvariants:maximumworkingpressurePS=16bar

Withtheexceptionoffollowingpumpswithcastironcasing:

NOLH150‐500:14bar

NOLH200‐250to300‐500:10bar



Hydrostatictestpressure:1,3xPS



5.2.2.3Minimumflowforcontinuousoperation



Permittedflowrange:

QoptistheconstantflowcorrespondingtoBestEfficiencyPoint.

PUMPSIZE

0,3.Qopt<Q<1,1.Qopt

32‐125to80‐400

100‐315to100‐400

125‐315to125‐400

150‐250to150‐500

0,5.Qopt<Q<1,1.Qopt

100‐160to100‐250

125‐200to125‐250

150‐200

200‐500to300‐500

0,7.Qopt<Q<1,2.Qopt200‐250to200‐400



WhenthepumpisusedinanATEXzoneitisnecessaryto

measurethedutypointandcheckthattemperature

increasecorrespondingtoeachworkingconditionisacceptable

regardingselectedsurfacetemperature.

Theformulabelowgivesthecorrespondencebetweensurface

temperature/fluidtemperatureandpumpefficiency:

To=Tf+v

v=[(g.H)/(c.)]*(1‐)

With:

c=calorificcapacityoffluidinJ/Kg.K

g=gravityinm/s²

H=pumpheadinm

Tf=liquidtemperaturein°C

To=surfacetemperaturein°C

=hydraulicefficiencyatdutypoint

v=differentialtemperature



5.2.2.4MAXIMUMALLOWABLESPEEDANDNUMBER

OFSTARTSPERHOUR

Maximumspeed:

Themaximumspeedforeachpumpsizeisindicatedinthetable

below.Maximumallowablespeeddependsonimpellerdiameter,

workingtemperatureandimpellerdiameter.



ENGLISH 



9



Castironimpellers:

3600

RPM

3000

RPM

1800

RPM

1500

RPM

32‐125

32‐16032‐25040‐315

50‐315

150‐500

200‐315

32‐200

40‐12540‐25065‐315

80‐315

200‐400

200‐500

40‐160

40‐20050‐25080‐400

100‐315

250‐300

250‐315

50‐125

50‐16065‐250100‐400

125‐250

250‐400

250‐500

50‐200

65‐12580‐250125‐315

125‐400

300‐400

300‐500

65‐160

65‐200100‐250125‐200

150‐250

80‐160

80‐200125‐200150‐315

150‐400

100‐160

100‐200200‐250



Stainlesssteelimpellers:

Speedsareidenticaltothosegivenoncastironimpellersexceptfor

sizes:

3000

RPM

1800

RPM

1500

RPM

40‐315

50‐315 100‐250150‐250

65‐200

80‐160125‐200



Numberofstartsperhour:

Waitforpumpfullstopbeforestaringupthepumpagaintoavoid

damagingthemotorandthepump.

Startingfrequencydependsonmotortype.Askmanufacturerif

necessary.



Amaximumof15startsperhourisrecommendedexceptforsizes40‐

315;50‐250;50‐315;65‐315;80‐315;80‐400;100‐400;125‐250;

125‐315;125‐400;150‐315to300‐500thatarelimitedto8startsper

hour.



5.2.2.5TYPEOFHANDLEDFLUIDS

Pumpisusedtohandleclearliquids.



Maximumviscosityoffluidis300cSt(mm²/s),or40°E.



Pumpcanoccasionallyhandlesolidsintheliquidbutitwilldriveto

areductionofpumplife,increasingofequipmentnoiseleveland

absorbedpower.



Freepassagedependsonpumpsize:



PUMPSIZEMAXsize(mm)

40‐315Ø2

32‐125;32‐160B;40‐160;32‐200A/B;40‐200;32‐250;40‐250

50‐250;50‐315Ø3

125‐315Ø5

40‐125;50‐125;65‐125;32‐160A;50‐160;65‐160;100‐160;

50‐200

65‐200;80‐200;100‐200;65‐250;80‐250;100‐250;125‐250;

65‐315

80‐315;100‐315;150‐315;100‐400;125‐400;150‐400

Ø6

80‐400Ø7

150‐500;300‐500Ø10

80‐160;125‐200;150‐200;150‐250;200‐400;200‐500Ø12

200‐250;250‐300;200‐315;250‐315;250‐400;250‐500Ø14

300‐400Ø16



5.2.3 DIRECTIONOFROTATION

Seriousdamagecanresultifthepumpisstartedorruninthe

wrongdirectionofrotation.

Ensurethatthedirectionofrotationiscorrectbeforefirststart‐uporif

maintenanceworkhasbeencarriedoutontheelectricpowersupply.

Directionofrotationmustcorrespondtothearrowattachedor

engravedinthepump.



Checkdirectionofrotationwhenmotorisapart(couplingspacer

dismantledormotornotcoupledtopump).Ifnotfeasibleduetopump

design(pumpfittedwithrigidcoupling)itisnecessarytocheckthat

pumpshaftturnsfreelyafterthetestandbeforefinalpumpstart.

Tocheckdirectionofrotationstartmotorbrieflyandcheckdirectionof

rotationjustbeforerotationstops.Ifdirectionofrotationmustbe

modifiedthenreversetwophasesinmotorjunctionbox.

Itispossibletochangetwophasesinthecontrolcabinetonmotor

starterconnections.Ifthissolutionispreferredthenitwillbe

necessarytomodifytheidentificationofthecablesintheelectrical

drawingstoo.

5.2.4 NOISELEVEL

Noiselevelofacompletepumpsetdependsonmotortypeandspeed,

onqualityandwearofflexiblecoupling(ifconcerned),onfluidvelocity,

pipingdesign,…Valuesgivenhereafterareonlyindicativeandbasedon

fancooledelectricmotorsaveragenoiselevels.

Thetestmustbeperfomedonthesuppliedpumpifthenoiselevel

mustbecertified.

Ifnoiselevelishigherthan85dBA,personelworkinginpumparea

shouldwearhearingprotections.



Motorspeed2900RPM1450RPM

Elecmotorpower

[KW]PumpsetBareshaftPumpsetBareshaft

<0,5565606560

0,7565606560

1,165606560

1,570657065

2,275707065

375707065

485807065

5,585807065

7,585807065

1185807570

1585807570

18,585807570

2285807570

3085808075

3790808075

4590808075

5595858075

7595858580

9095858580

11095858580

15095858580

IndicativenoiselevelgivenindBA(LpAat1m)



5.2.5 CONNECTIONS

Suctionflangeaxisishorizontalandthefaceisvertical.

Dischargeflangeaxisisverticalandthefaceishorizontal.

5.2.6 PERMISSIBLEFORCESANDMOMENTS

Nootherstressthantheoneduetofasteningofpipeandpump

flangestogethershouldapply.Nostressmustbeappliedtopump

casingbythepipework.Apre‐stressmayexceptionallybeappliedto

flangestocompensateapipeexpansion.Butinanycasetheresulting

forcesshouldnotexceedvaluesgivenhereafter.

ThevaluesaredeterminedonthebasisofISO/DIN5199–ClassII

(1997)‐AppendixB,familyN°2foramaxworkingtemperatureof

110°C.PumpcasingmadeofFGLcastIron.



Followingcoefficientswereappliedtobasicvalues:

Pumpassembledoncastironbase:

Forces:0,4xFbase

Moments:0,4xFbase



ENGLISH 



10



Pumpassembledongroutedcastironbaseframe:

Forces:Fx[1,5–(12,5/FlangeDN)]

Moments:Mx(1+FlangeDN/250)



MaterialCoefficientStainlesssteel/FGLCastIron:

C=1,536appliedonforcesandmoments



Temperaturecorrectionfortemperature>110°C:

C=Etm/E20b

WithE20b:materialmodulusofelasticityat20°CandEtmatcalculation

temperature.



Assemblyoncastironbaseframe:

Dischargezaxis:

DN

flange

Fy

(N)

Fz

(N)

Fx

(N)

F

(N)

My

(N.m)

Mz

(N.m)

Mx

(N.m)

M

(N.m)

32340420360650300340440630

40400500440780360420520760

505406606001040400460560830

656808407401310440480600890

8082010009001580460520640940

10010801340120021005005807001040

12512801580142024806007608401280

150162020001800314070082010001470

2002160268024004200920106013001910

25027003340298052301260146017802620

30032204000358062601720198024203570

Suctionxaxis:

DN

flange

Fy

(N)

Fz

(N)

Fx

(N)

F

(N)

My

(N.m)

Mz

(N.m)

Mx

(N.m)

M

N.m)

506005406601040400460560830

657406808401310440480600890

8090082010001580460520640940

10012001080134021005005807001040

12514201280158024806007608401280

150180016202000314070082010001470

2002400216026804200920106013001910

25029802700334052301260146017802620

30035803220400062601720198024203570

35041803760466073002200254031004570



Assemblyongroutedcastironbaseframe:

Dischargezaxis:

DN

flange

Fy

(N)

Fz

(N)

Fx

(N)

F

(N)

My

(N.m)

Mz

(N.m)

Mx

(N.m)

M

(N.m)

32380470400720340380500710

40480590520920420490600880

506808307501300480550670990

65890110097017105506007601120

8011001340121021206106908401250

10014901840165028807008109801450

1251790221019903470900114012601920

15023002830255044501120131016002350

20031103850345060301660191023403440

25039204840432075802520292035605250

30047005830522091303780436053207850



Suctionxaxis:

DN

flange

Fy

(N)

Fz

(N)

Fx

(N)

F

(N)

My

(N.m)

Mz

(N.m)

Mx

(N.m)

M

N.m)

507506808301300480550670990

65970890110017105506007601120

8012101100134021206106908401250

10016501490184028807008109801450

1251990179022103470900114012601920

15025502300283044501120131016002350

20034503110385060301660191023403440

25043203920484075802520292035605250

30052204700583091303780436053207850

3506120551068201069052806100744010970



5.2.7 SCOPEOFDELIVERY

Pumpcanbedeliveredasacompletepumpsetincludingelectrical

motor,flexiblecoupling,couplingguardandbaseplate.Itcanbealso

deliveredwithoutoneofthoseparts.ACEintegrationcertificateisthen

supplied.

Thisinstructionsandoperatingmanualispartofthepumpsupplyand

shouldbedeliveredattachedtothepump.Ifnot,askSALMSON

Customerdepartmenttogetit.

ATEXpumpsmaybedeliveredwithspecificinstrumentation.Refer

topumptechnicaldatasheetortoacknowledgmentoforderto

knowexhaustivescopeofsupply.



6 DESCRIPTIONANDWORKINGPRINCIPLE



6.1 PRODUCTINFORMATION

NOLHpumpisasinglestagePN16volutecasingpumpdesignedfor

horizontalinstallation.Hydrauliccharacteristicsanddimensionsmeet

EN733requirements.ItsmechanicaldesignisaccordingtoISO5199.

Thebackpull‐outdesignoftheballbearingassemblypermits

dismantlingoftheimpellerwhilesuctionanddischargelinesare

fastenedtocasingflanges.

Ifacouplingspacerisusedthemotorwon’thavetobemovedrearward

duringmaintenanceoperation.

Thispumpisdesignedtohandleclearorslightlyturbidfluidswithnon

particlecontent.

Foreignmattercanoccasionallypassthroughthepumpbuttheirsize

shouldbelimitedto3mm(dependingonpumpsize)butpumplifetime

willbeshortened.



6.2 FUNCTION

NOLHpumpisacentrifugalpumpwithaxialinletandradialoutlet.

Dependingonrequireddischargepressurethepumpspeedis1450or

2900RPM.

Animpellerturnsinsidethepumpcasing(directionofrotationis

clockwiseseenfromdriveend).Therotationmovementistransmitted

tothefluidthatisdriventothevanesandthenpumpedtothedischarge

flangewhereitleavesthepump.Intheflowpassageofthepumpcasing

thekineticenergyofthefluidisconvertedintopressureenergy.

NOLHpumpsarenotself‐primingpumps.Suctionlineandpumpcasing

shouldbecompletelyfilledwithliquidbeforepumpstart.

Whennecessaryorwhenamaximumpumpingefficiencyisrequired

severalpossibilitiesareofferedtoadaptcapacity/pressure.

Modificationofthesystemhydrauliccharacteristics:

Aregulatingvalveisaddedatthedischargesideofthepump.The

hydrauliclosscanbeadjustedandsothepumpdutypoint.

Modificationofpumpcharacteristics:

Useofafrequencyinvertergivesthepossibilitytoadjustpumpspeed.

Thepumphydrauliccurveismodifiedtoreachrequireddutypointbut

impellerdiameterisunchanged.



ENGLISH 



11

7 INSTALLATIONANDELECTRICAL

CONNECTION

7.1 LOCATION

EquipmentsthatwillbeusedinaATEXzoneshouldbe

certifiedaccordinglyandshouldfullycomplywithapplicable

regulations.



Thechoiceofthepumplocationshouldpermitapropercoolingofthe

motorandshouldrespectfollowinglimits:



Locationwillbechosentoensurespacereservationformaintenance

andinspection.

Checkthatthereisampleoverheadforliftingandthatliftingdevicesare

available.

7.1.1 FOUNDATION

Pumpsetcanbeinstalledonvarioustypesoffoundations(onaconcrete

ground,onafoundationconcreteblock,onasteelframework,…).Itis

theresponsibilityoftheendusertoselectproperpumpfoundation

type.Noiselevelandvibrationstransmittedbythemachinedependon

thequalityoffoundation.

Followingrulesaregeneralinstructionsthatshouldberespected:

‐ Baseframeorpumpmattingplateshouldbefastenedtoarigid

foundationwithnoriskofdistortionwhilethepumpisrunning.

‐ Makesurethatthefoundationconcreteisofsufficientstrength(min

qualityX0toDIN1045).Generally,theweightoffoundationisaround3

timesthepumpsetweight.Withpumpsetdimensionsandconcrete

densityitisthenpossibletocalculatethedimensionsoftherequired

foundationblock.

‐ Surfaceunderpumpsetshouldbeflatandshouldnotcreateany

distortionofbaseplateaftertighteningoffoundationsbolts.Ifsurface

qualityisnotsufficient,addshimsbetweengroundandbaseplate.

Distortiononbaseplatesurfaceshouldbelimitedto0,4mm/mafterthe

baseplateisdefinitivelyfastenedtofoundations.

Couplingalignmentischeckedbeforeshipment(pumpsand

motordeliveredonacommonbaseplate)Ifcouplingisnot

correctlyalignedafterinstallationworksaredonethisindicatesthatthe

baseplatehasbecometwistedandlevelingshouldbecorrectedbyre‐

shimming.

Eveniffoundationworkshavebeendonewithcare,itisnecessaryto

checkcouplingalignmentafterthebaseplateisdefinitivelysecuredto

thefoundation.

7.1.2 ANCHORING

Chemicalanchoringdeviceshouldbepreferredtofastenabaseplateon

anexistingfoundation.

Anchorboltscanbeusediffoundationblockistobebuilt.



1–Anchorbolt

2–Baseplate

3–Concretefoundationblock



Foldedsteelfabricatedbaseframeswillbegroutedtoinsureitsrigidity.



Usingofshrinkfreegroutisthemostefficient.Groutingensurescorrect

positioningofthebaseframeandreducesvibrationstransmissiontocivil

work.Foundationworksurfacepreparationandlevelingofbaseframe

willbeperformedinthestateoftheartandshouldbedonebefore

groutingofthebaseplate.



Foundationboltsshouldbefullytightenedonlyafterthe

grouthascured.



Installationwithoutfoundation:



1–Intermediateplate

2–Nut

3–Levelingelement

4–Footbase

5–Washer

6–Fasteningnut

7–Washer

8–Baseplatefasteningscrew



7.1.3 POSITIONING

Pumpbaseplate(castironbaseplateorfabricatedsteelbaseframe)

shouldbeinstalledhorizontallytoensurebearingslifetimeandproper

flowofpumpedfluid.

7.1.4 COUPLINGALIGNMENT

Pumpsetsassembledwithaflexiblecouplingmustbealignedafterthe

baseframehasbeendefinitivelyfastenedtothefoundation.Uselow

thicknessshims(0,2to1mm)tomodifycouplingalignment.Adjustthe

motorheightfirst.Sometimesitisnecessarytoaddshimsunderpump

feettoo.



Aligmentofcouplingshouldbeperformedwithparticularcare

whenthepumpsetisinstalledinanhazardousarea.Correct

alignmentwillavoidabnormalincreasingofthepumpandmotorball

bearingstemperature.



Thermalexpansion:thepumpandmotorwillnormallyhavetobe

alignedatambienttemperaturewithanallowanceforthermal

expansionatoperatingtemperature.Inpumpinstallationinvolvinghigh

liquidtemperatures,alignmentshouldbecheckedagainwhenoperating

temperatureisreached(pumpandpiping).Alignmentqualityshouldbe

checkedjustaftermachineshutdown.



Pumpanddrivermustbeisolatedelectricallybeforealignment

operationsareperformed.



Pumpandmotorwerealignedbeforedispatch.Ifitisnecessaryto

useverythickshimstoadjustcouplingalignmentonsitethis

meansthatthebaseplateistwisted.Levelinghastobemodified.



Checkingthecouplingalignment:

Checkdistancebetweenthetwohalfcouplings.

Checkradialandaxialdeviation.

Severaltypesofflexiblecouplingscanbeused.Refertocoupling

operatinginstructionstoknowadjustmentvaluesand

misalignmentlimits.



Severalmethodscanbeusedtomakecouplingalignment.Choiceofa

methodwilldependonthetypeofequipmentsavailableonsite.Two

operatingmethodsarebrieflydescribedhereafter.Theycanbeusedif

basicmetrologyequipmentsareavailable:



ENGLISH 



12



Usingastraight‐edgeandacaliper:



Usingadialgauge:



Whencheckingparallelalignment,thetotalindicatorread‐out

shownistwicethevalueoftheactualshaftdisplacement.



Alignintheverticalplanefirst,thenhorizontallybymovingthemotor.

Lifetimeofballbearingandcouplingflexiblepartaswellaspumpset

noiselevelwilldependonthealignmentquality.

CouplingalignmentisnotnecessarywhenaIECadaptationlanternis

used.Bothmotorandpumpsshaftarealignedbyconstruction.



7.2 PIPEWORK

Pumpconnectionflangesarepluggedtoavoidanycontaminationduring

transportandstorage.Protectivecoversshouldberemovedonlybefore

installingthepumpinthepiping.Removedustbeforeremovingthe

coversfrompumpflanges.Especiallyfornewpipework:clean

thoroughlypipingbeforeconnectingittothepump.

Removeprotectivecovers

Addflangegaskets

Fastensuctionpipe

Fastendischargepipe



Nostressmustbeappliedtothepumpcasingbythepipework.If

excessive,thoseforcesandmomentscausemisalignment,

overheatingofbearings,couplingwear,vibrationsandpossiblefailureor

explosionofpumpcasing.

Afterreplacementofapumporduringconnectionofpipesto

pumpflanges,neverusepumpflangesasasupporttopullorpush

thepipeworks.



Theaxialdisplacementofexpansioncoupling(ifinstalled)shouldbe

limited.Usetierodsasrecommendedbythemanufacturer.



Twodesignsarepossibleforthesuctionline:positivesuctionheadand

suctionliftoperation.



Positivesuctionheadoperation:

Nominaldiameterofthepipelineisoftenlargerdiameterthanpump

suctionflange.Unequalnominaldiametershouldbecompensatedbyan

eccentrictransitionpart.Itisrecommendedtoinstallastraightpipe

beforethepumpinlet(sizeLshouldbe2to3timesthepipenominal

dimension).Thesuctionlineshouldbelaidwithadownwardslope

towardthepump.



Negativesuctionheadoperation:

Thesuctionlineintakeshouldbelocatedbelowtheminimumlevelof

theliquidandastrainerwithnonreturnfootvalveshouldbeinstalled.

Thestrainershouldbesetfarenoughfrompitbottomtoavoidexcessive

suctionheadlossandparticleintake.Ensurethatthereisnoairintake

alongsuctionlineandavoidanyairpocketscreation.

Suctionliftlineshouldbelaidwitharisingslopetowardsthepump.A

straightpipe(lengthshouldbe8to10timesthepipenominaldiameter)

shouldbeaddedinfrontofpump.Nominaldiameterofthepipelineisat

leastequaltothepumpinletsize.Pipediameteriscalculatedtolimit

flowspeedto2m/s.

Thesizeofthesuctionstrainer/footvalvewillbeselectedtoensure

minimumpressurelossesinstrainerandfullopeningofNRVatpump

nominalflow.

CheckthatpumprequiredNPSH(NPSHR)islowerthansystem

availableNPSH(NPSHA).



Dischargepipe:

Nominaldiameterofdischargepipeshouldbechosentoensureamax

flowspeedof3m/s.



Filter/strainer:

Ifrequiredafiltercanbeinstalledbeforethepumpintake.Toensure

properworkingofpumptheequivalentexchangesurfaceofthestrainer

shouldbe3timesthepipesectionalarea.

Cloggingstateoffilter/strainershouldbecheckedregularly.



Valves:

Itisadvisedtoinstallisolatingvalvesonsuctionanddischargesidefor

maintenancepurpose.Thosevalvesshouldbeoflargepassagetypeand

couldbelockedinposition.

Isolatingvalveonsuctionsideshouldnotbeconnecteddirectlytopump

suctionflange.



Non‐returnvalve:

Acheckvalvecanbeinstalledondischargesidetoprotectthepump

frombackfloweffectssuchaspressuresurgesorbackflowwhenthe

pumpisstopped.



Auxiliarypipe:

Formostofapplicationsasinglemechanicalsealisused.Ifthesealing

mustbeequippedwithauxiliaryequipmentscheckthatthereareno

leakagesandthatdirectionofflowisrespected.



Shaftsealing:

Glandpacking:

Ifthepumpisinstalledforsuctionliftoperationanddischargepressure

issmall(lessthan10mwc),itwillbenecessarytoaddaquenchtoavoid

airintaketroughthepackingrings.



Singlemechanicalsealwithexternalquench:

Externalpipingsystemorraisedtankshouldbeinstalledinthestateof

theart.Pressureinthequenchshouldnotexceed0,35bar.



Afterpipeworkisdoneturnpumpshaftbyhandandcheckitturns

freely.Ifitappearsthatitisdifficulttoturnpumpshaft,thencheck

forcesappliedbypipingtopumpcasing.Installationofpipingshouldbe

doneagain.



Locationofconnections:

Bracketsizes25,35and45:



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ENGLISH



14



7.3.4 Y/STARTER:



Groundingofthecompletepumpsetwillbeperformedwith

specialcare.Earthingwillavoidanyelectrostaticaccumulationin

componentsofthepumpset.Eachpartofthepumpsetshouldbe

connectedtoearthwithacorrectlycalibratedbondingstraporcable

(motorwinding,motorframe,couplingguard,pumpbaseframe).



7.4 USEOFAFREQUENCYINVERTER

Whenpumpisusedwithavariablespeeddrive,makesurethat

thefrequencyinverterinstructionsandoperatingmanualis

availableandknown.



Theelectricmotorthatissuppliedwiththepumpmaybeconnected

underconditionstoaVSD.Variablespeedwillbeusedtoreachpump

requireddutypointonsite.Toensureareliableuseoftheequipmenta

fewprecautionsshouldbetaken:



Electricalrequirements:

Variablefrequencydrivewillnotgeneratevoltagepeakhigherthan

850V(motorphasesisolation)anddU/dtvalueshigherthan2500V/µs

(windingisolation).Ifthosevaluescanbereached,afiltershouldbe

installed:askinvertermanufacturerforproperselectionandmotor

manufacturerforlimitvalues.

ChooseavectorcontrolinverteroruseaquadraticV/Fcontrol

inverter.

Checkthatmotornominalvoltageisneverexceeded.

PowersupplycableshouldcomplytoATEXregulation.Ensurethat

motorwindingisequippedwithCTPtemperaturesensorsinside.

Aphysicalbarriershouldseparatepowersupplycablesandlow

voltagecablestoavoidanalogsignaldistortion.



Hydraulicrequirements:

Adedicatedsuctionpipeshouldbededicatedtoeachpumpusedwith

anegativesuctionhead(suctionlift).

CheckthatthepumpNPSH

atminimumspeedisalwayslowerthan

systemNPSH

.



Mechanicalrequirements:

Lowerspeedshouldnotfallunder40%ofpumpnominalspeedto

avoidanyvibrationsandanunstableflow.

TheharmoniccurrentsthatarecreatedbytheVSDpassthrough

motorballbearings.Standardballbearingscanbeusedupto

55KW.Forhigherinstalledpower(seeengravedpoweronmotorname

plate),themotorshouldbeequippedwithisolatedballbearings

(specificballbearing)orwithisolatedbearinghousing(andstandardball

bearing).



8 START‐UP

8.1 PRE‐COMMISSIONING

Ifthepumpisinstalledinapotentiallyexplosiveatmosphereor

whendangerousorpollutingfluidsarepumped,itisadvised(Zone

2)orrequested(zone1)toinstalladditionalprotectiondevices.

Checkfollowingpoints:

Pumpflowisalwayshigherthanauthorizedcontinuousminimumflow,

Pumpneverrunsdry,

Normalleakageoftheshaftsealiscontrolled,

Surfacetemperaturebearingshousingsislowerthanthemaximum

admissiblesurfacetemperatureinselectedATEXzone,

Pressureondischargesideofthepumpislowerthanpumpmaximum

allowableworkingpressure.

Setalarmandstoptripsofsensors.



Ineverycasescheck:

Qualityofelectricalconnections,

Protectiondevicesareinstalled,

Auxiliarypipingareconnected,

Flangesconnections,

Suctionlineandpumpcasingarefilledwithfluid,

Motordirectionofrotationiscorrect,

Couplingalignmentiscorrect,

Oillevelwascheckedandgreasingofballbearingshasbeendone,

Couplingguardisinstalled.



8.2 FILLING/VENTING

Beforetheveryfirststart‐up,pumpcasingandsuctionlinemustbefilled

withfluid(dependingonpipingsystemavacuumpumpmayhavetobe

used).

Pumpcasingshouldbeperfectlyventedtoavoidthatthe

mechanicalsealrunsdry.

Takeprecautionarymeasureswhenmanipulatingdangerous,hot,

coldorpollutingfluids.Wearingindividualprotectivedevicesis

necessary.TheoperatormustknownpotentialHazards.



8.3 START‐UP

Ifabarrierfluid,flushingfluid,coolingfluidoraheatingfluidis

used,checkthatauxiliarysystemsareactivatedandworking

correctlybeforepumpstart‐up.



Closeisolatingvalveonpumpdischargeside.

Openallvalvesinsuctionline.

Proceedtopumppriming(ifnotalreadydone).Pumpcasingand

suctionpipeshouldbecompletelyfilledwithfluid.

Turnthepumponandcheckdischargepressureincrease.Compare

thispressuretotheshutoffpressureavailableonthehydrauliccurve

Inordertoavoidanimportantoverheatingoftheliquidinsidethe

pumpthepumpshouldnotworkmorethan20to30seconds

againstacloseddischargevalve.

Ifexpectedpressureisreachedthenprogressivelyopenthedischarge

valve.

Ifthereisnoliquiddeliveredorifdischargepressureistoolow

thenseechapter“troubleshooting”.



8.4 RUNNINGCHECKS

Duringoperationofpumpindutyconditions(capacity,head,

temperature,…)thefollowingpointsmustbechecked:



Checkandnotepumpdutypoint.Ifnecessaryconvertpressurevalue

frombarindicatedonthepressuregaugetomwc:

HMT

mce

=(P

bar

x100)/(SGx9,806)withSG=fluidSpecificGravity.

Checkandnotecurrentconsumptiononeachphaseofthemotor.

Checkcalibrationofmotorprotections.

Checktemperatureofballbearings(onbearinghousingsurface).

Checkflexiblecouplingalignmentafterseveralpumpstarts(onlyfor

concernedpumpsvariants).

Checktighteningofflangesfasteningbolts.

Checkthereisnoleakageandnoabnormalrunningnoise.



Whenpumpinghotfluids,thedefinitivecouplingalignmentshould

bedoneonlywhensystemnominaltemperatureisreachedand

stabilized.Seechapter7.1.4COUPLINGALIGNMENT



Checkthesurfacetemperatureonthebearingbracketandonthe

pumpcasing.Checkpumpedfluidtemperature.Alarmandstop

tripssettingsshouldbedoneaccordingthosevalues.Refertospecific

sensorsIOMbeforeadjustingthosetrips.



Ifanexternalflushing,quenchoranexternalheatingisinstalled,the

followingpointsshouldbechecked:



Externalflushing:

Checkflushingpressureandcomparewithfollowingmaximumvalues:

Pressure:

Forimpellerdiameter125:P

suction

+0,5bar



ENGLISH



15

Otherimpellerdiameters:P

suction

+P

differential

+0,5bar

Flow:

Deliveredflowshouldbebetween0,1and0,2m

/h



Quench:

MaxPressure=4bar



Heating:

Maxpressure=4barwithwatervaporat140°C



Glandpackingassembly:

Asmallleakageofpackingglandisnecessarytoensureproper

lubricationofthepackingrings(20to40dropsperminuteis

acceptable).Ifthereisnotenoughleakagethenpackingringwillbe

destroyedrapidly.Checkthattheexternalliquidsupplyofthegland

packingisturnedonbeforestarting‐upthepump(ifapplicable).



Mechanicalsealassembly:

Forpumpsequippedwithaquench,externalflushing,oraheating

system,checkthattheexternalliquidsupplyisturnedonbefore

starting‐upthepump.Inanycasethemechanicalsealshouldhavetime

tocooldownbetweentwostarts.



8.5 SHUTDOWN

Beforethepumpisstoppedclosethedischargeisolatingvalve.

Ensurethatthepumprunsinthatconditionnomorethanfew

seconds.

Whenthepumphascometoastandstill:closethesuctionisolating

valve.Ifthepumpisequippedwithauxiliarysystemssuchasaquench,

heatingsystem,flushing,externallubrication,etc…itmustbeclosedat

thelaststep.



Iftemperatureislikelytodropbelowfreezingpoint,pumpcasing

andauxiliaryconnectedsystemsshouldbecompletelydrainedor

otherwiseprotected.Forprolongedshut‐downsanadaptedrust

protectivecoatingshouldbeappliedtotheinsideandoutsideofthe

pump.



Pumpingexplosive,toxicorpollutingfluids:makesurethatall

necessaryactionsweretakentoavoidthecreationofahazardfor

peopleorenvironmentduringdrainageoperations.



ProductswhicharesentbacktoSalmsonmustbedrainedand

cleaned.Pumpedfluidshouldbecompletelyremovedfromthe

pump.



9 MAINTENANCE

9.1 GENERALINFORMATION

Onlyproperlytrainedandskilledstaffshouldundertake

maintenanceoperations.

Onlyauthorizedpersonnelshouldundertakemaintenanceon

ATEXcertifiedequipments.Makesuretoavoidcreationof

explosionhazardwhileproceedingtomaintenanceinaATEXzone.

Alltechnicaldocumentsdeliveredwiththepumpshouldbeknown

andshouldbeavailablenearthepump.

Themaintenancecrewshouldbeinformedabouttheriskslinkedtothe

useofthepumpandtothepumpedfluidsbeforetheycanstartworking

ontheequipment(dangerousproducts,fluidandpumptemperature,

pressurizedparts,…).Theyshouldbeequippedwithallappropriated

individualsafetyprotections(glasses,gloves,…)andshouldrespectlocal

industrialandsecurityrules.

Pumpcontainsapartofpumpedfluidevenwhenitisata

standstill.Drainandflushpumpcasingwithcarebeforestarting

pumpdisassembly.



Appropriateliftingdevicesshouldbeavailabletohelppersonnelmoving

heavyloads.



Themaintenanceareamustbeclearlyidentified.Installwarningboards

withthewords«WARNING:machineunderrepair!»onthepumpand

onthecontrolcabinet.



Anyworkonthemachinemustbeperformedwhenpumpis

stopped.Priortoanymaintenanceorrepairworkthemotor

shouldbeelectricallyisolatedandsecuredagainstuncontrolledstart.

Lockthemainswitchopenanddisconnectcircuitbreaker.Withdrawthe

fusesifany.



WARNING:electricalequipmentsthatmustbepoweredonduringthe

maintenanceworkorpressurizedequipmentsmustbeclearlyidentified.



Endofmaintenanceoperations:allprotectivepartsthatwereremoved

beforemaintenanceshouldbereinstalledandallsecuritydevicesshould

bereactivated.Pumpsurroundingareashouldbecleaned.



9.2 MAINTENANCEANDPERIODIC

INSPECTIONSSCHEDULE

Itisrecommendedtobuildupamaintenanceandinspectionplan

toensureareliableuseofpumpandtoreducemalfunctions

hazards.Followingcheckpointsshouldbeincludedinthismaintenance

plan:

Checkstateandworkingofsecuritiesandauxiliarysystems,

Checkandadjustglandpacking(ifany)forvisibleleakage,

Checkforanyleaksfrompumpgasketsandflangesseals,

Checklubricantlevelandaspectofoil(oillubricatedbearings)in

bearingbracket,

Checkrunningtimeandreplacementfrequencyoflubricants/ball

bearings,

Checkthebearingbrackethousingsurfacetemperatureonball

bearingsarea,

Checkdirtanddustisremovedfrompumpandmotor,

Checkcouplingalignment(dependingonpumpvariant),

Checkifthereisunusualnoises(cavitations,hissing,purring,…)or

excessivevibrations.



CheckpointPeriodicity

StateoftheauxiliarysystemsDependsonequipmenttype.See

dedicatedequipmentIOM

MotorSeemanufacturerIOM

ShaftsealingWeekly

LeaksfromgasketsWeekly

OillevelandgreasequantitiesDaily/Weekly/Monthly

Lubricants(ballbearings)Replacementfrequencyaccordingball

bearingtypeandshaftspeed

BearingssurfacetemperatureMonthly

CleaningTwiceayear

AlignmentandcouplingwearTwiceayear

Noise,vibrationsMonthly

AnchoringqualityYearly

Thosefrequenciesaregivenforinformationonly.Theycouldbeusedas

abasistothecreationofamaintenanceplanwhenstartinganew

installation.Dependingoninstallationconditionsanduse,the

periodicitywillbeshortenedorprolonged.

9.2.1 LUBRICATION

Bearingbracketsizes25,35and45,arefittedwithlifetimelubricated

ballbearingsasastandard.

Bearingbracketssizes55and65,arefittedwithgreaselubricatedball

bearingsandgreasingnipplesasastandardonmotorsideandimpeller

side.

Thesepumpsareavailableuponrequestwithoillubricatedball

bearings.



Recommendedoillubricants:

Brackettemp.<80°CAmbTemp.

<0°C

1500RPM>1500RPM

Typeacc.to

DIN51517CL68CL46CL22

Kinematicviscosity@

50°C

[mm²/s]

61,2to74,841,8to50,819,8to24,2

Corresp.OiltypeSAE20et20WSAE10W



ENGLISH 



16



Greasingnipples:



GreaseNLGI2*NLGI3

Temperaturerange‐20to+100°C

(‐4to212°F)

‐20to+100°C

(‐4to212°F)

Descriptionacc.ToDINKP2K‐25KP3K‐20

BPEnergreaseLS‐EP2EnergreaseLS‐EP3

ElfMultisEP2MultisEP3

FuchsRENOLITEP2RENOLITEP3

ESSOBeaconEP2BeaconEP3

MobilMobiluxEP2MobiluxEP3

Q8RembrandtEP2RembrandtEP3

ShellAlvaniaEP2AlvaniaEP3

TexacoMultifakEP2MultifakEP3

SKFLGEP2‐

(*)NLGI2isareplacementgreaseandshouldnotbemixedwithother

qualityofgrease.



Bearingbracketsizeandgrease/oilquantity:

BearingbracketsizeOil(liter)

250.22

350.38

450.57

551.50

652.00



BearingbracketsizeGrease(g)

5530

6540



9.2.1.1Oilchangeintervals

Thebearingbracketisdeliveredwithoutthefirstoilload.Before

startupproceedwithoilfillingthroughthefillingport“A”(fitted

withaplug/levelgauge)uptotheindicatedoillevel.

A=Fillingplug

B=Drainplug

C=Constantleveloiler



Aconstantleveloilerisavailableasanoption.Whenoillevel

decreasesinthebearinghousing,aircomesintheauxiliaryoiltank

andallowsoiltogoinsidethebearinghousing.Oilwillruninthebearing

housinguntiloptimumlevel“N”isreachedinside.

Inthiscase,firstfillingofbearinghousingisdonethroughtheupper

portfittedwithaplug.



Levelisreachedwhenoilappearsintheelbowofthefitting(G).(to

check,rotatetank).Thenfillintheauxiliaryoiltankandputbackinits

verticalposition.Alwayscheckthatoiltankisfilledwithoilwhilethe

pumpisrunning.



D=Oiltank

E=Fitting

F=Oiltankfillingport

G=Elbowoftankfitting.



Whenassemblingtheoiltankonthepump,makesureitis

perfectlyvertical(pumpishorizontal).



Oilchangeintervals:

Ifballbearingsarenew,oilloadshouldbereplacedafter200hourof

runningtime,therenewalisasindicatedbelow.

Lightduty,bearingtemperaturebelow5°C,noriskofpollution:oncea

year.

Standarddutyorheavyduty,bearingtemperatureabove50°C,or

pollutionrisk:every6months.



9.2.1.2Greasechangeintervals

Ballbearingsaregreasedbeforedelivery.



Greasechangeintervals

Lightdutyconditions

n<1500RPM

Standardorheavyduty

conditions

1500<n<3000RPM

Every

5000hours

Every

2500hours

Oreach12months



After10000operatinghoursorafter2years,bearingsshouldbe

dismantled,cleanedandfilledagainwithgrease.Forunfavorable

operatingconditions(severelydamp,dustyatmosphereorhotservice)

greasingintervalsmaybeshortened.

Forgreasereplacementorre‐lubrication,highqualitylithiumsoap

greaseshouldbeused(eg.Mobilux2,EssoUnirexN3,…).



9.3 DISMANTLINGANDRE‐ASSEMBLY

9.3.1 DISMANTLING

Makesurethatelectricpowerisdisconnectedandcould

notbeswitchedonagainbyfaultduringmaintenance

operations.

•Drainthepipingatleastbetweentheisolatingvalveonsuction

anddischargesides.

•Ifnecessarydisconnectanymeasuringsensorsandgauges.

•Removedrainpluganddrainthepumpcasing.

•Ifnecessary,removeconnectionstomechanicalsealauxiliary

piping.

•Ifnecessarydrainoilfrombearingbracketandremoveconstant

leveloilertoavoiddamagesduringfollowingoperations.

•Pumpcasingcanbekeptfastenedtopipework.

•Removemotorfasteningscrewsandmovethemotorrearwardso

thatthereisenoughspacetoremovethebackpull‐outassembly.

Whenusingacouplingwithspacerpart,itisnotnecessary

tomovethemotorrearward.

•Dismantlecouplingguard,halfcouplingonpumpside.



ENGLISH 



17



9.3.1.1DISMANTLINGBRACKETSSIZES25,35AND45



1.Markthepositionofthepartsinrelationtoeachotherwitha

colorpenorascribingpoint.

2.Removethehexagonalscrews90.10.

3.Withdrawthebackpulloutunitfromthevolutecasing10.20.



4.Removeflatgasket40.00.

5.Removescrews90.13andremoveprotectivescreen.

6.Loosenimpellernut92.20.

7.Removeimpeller23.00andkey94.01.



Designwithstuffingbox



1.Removethescrews91.40andremovethecasingcover16.10.

2.Removenuts92.01andstudbolts90.21.

3.Loosenscrews90.23andremovestuffingbox45.10andgland

45.20withthepressurering45.70.

4.Tearoutpackingrings46.10andremovelanternring45.80.

5.Slideoutshaftsleeve52.40.



Repacking:

Whenrepacking,thewornpackingringsandthelanternringshould

beremovedcarefullyfromtheshaftsealchamber.Theshaftand

shaftsleevemustnotbedamaged.Otherwiseaperfectsealing

cannotbeguaranteedanymoreandtheshaftsleeveshouldbe

replaced.Ifthepumpisinstalled,cutpackingringsdiagonally,bend

theminaspiralshape,positionthemonthepumpshaftandbend

themcarefullyintoaringform.Pushthepackingringsandthe

lanternringusingtheglandintotheshaftsealingchamber.Thecut

jointsshouldbestaggeredby180°.Tightentheglandadjustingnuts

steadilyuntilresistanceisfeltwhenrotatingthepumpshaftby

hand.Removetheglandagainandfastenthenutsslightly.Ifthe

pumpisdismantled,itisusefultopushthepackingringsinthe

deliveredcondition,thatmeansclosedovertheshaftsleeve.



Designwithmechanicalseal:

1.Slideoutthespacerring50.40.

2.Removetherotatingpartofthemechanicalseal43.30.

3.Removethescrews91.40andremovethecasingcover16.10.



Designwithquench:

Removecover16.50,O‐ring41.23andlipseal42.11.



Designwithexternalheating

Removecover16.50,O‐rings41.22and41.23.



4.Pushoutthestaticpartofthemechanicalseal43.30andpin

56.10ifnecessary.



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20



Fastencover16.50andcasingcover16.10.



8.Assemblebearingbrackethousing33.00andcasingcover16.10.

9.Installrotatingpartofthemechanicalseal43.30andspacerring

50.40.

10.Pressthekey94.01intheshaft,slideimpeller23.00ontothe

shaftandtightenimpellernut92.20.Installguards68.10with

captivescrews90.13.



11.Adjustthecasingseal40.00betweenbackpulloutassemblyand

casing.Tightenscrews90.10.



9.3.2.2ASSEMBLYOFBEARINGBRACKETSSIZES55

AND65

1.Fittheshaftunit.

2.Iftheshaftistobefittedwithnewbearings,theyshould

beheateduptoatemperatureof80ºCbeforeassembling.

First,installtheballbearing32.11,thenthecirclip93.21andfinally

ballbearing32.10.Makesurethatthebearingispressedagainstthe

shouldersoftheshaft.



3.Ifthelipsealshavebeenpreviouslyremoved,theymustbe

exchanged.Thelipsealsshouldbefittedintothebearingcoverwith

abush,pressingontheexternalringoftheseals.Thelipsshould

pointtowardsthebearingafterinstallation.Payattentiontothe

installationofballbearingcovers.

4.Installballbearingcoveronpumpsidewithflatgasket40.02and

greasingnipple63.60ifneeded.

5.Insertcirclips93.21inthegrooveofthebearingbrackethousing

33.00.

6.Installballbearingcover36.01withtheflatseal40.02andthe

greasingnipple63.30ifneeded.

7.Screwtheplug67.20,theoillevelsight64.20andtheCLO63.80

(oillubricatedballbearings).

8.Fastenfoot18.30andslidethethrowerontotheshaft50.70.



Designwithstuffingbox:

9.Slidetheshaftsleeve52.40ontotheshaft.

10.Installoneofthepackingrings46.10inthepackinghousing,the

lanternring45.80andthen,theremainingpackingringsandthe

gland45.20.

11.Screwthestudbolts90.21intothecasingcover,addwashers

55.40andnuts92.01.Adjustthestuffingboxtightening.

12.Installwearring50.21withstopscrews56.00.



Designwithmechanicalseal:

9.Installthemechanicalsealcover47.10withthemechanicalseal

stationarypart43.30anditspin56.10ifnecessary,thenplacethe

flatgasket40.06andscrews90.24.

10.Slidetheshaftsleeve52.30withtherotatingpartofthe

mechanicalseal43.30andthespacerring50.40.

11.Insertthewearring50.21andstopscrews56.00incasingcover.

Screwstudbolts90.22.



12.Assemblecasingcover16.10andbearingbracket33.00.Tighten

nuts92.02.



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22



10 FAULTS,CAUSESANDREMEDIES



FaultCauseRemedy

Thepumpis

not

producing

therated

floworhead

‐DischargepressureistoohighOpenandcleandischargepipe

Checkpumpdutypoint

‐PumporpipingisnotcompletelyventedorfilledVentpumpcasing

Fillcompletelysuctionpipewithliquid

‐Suctionliftistoohigh/NPSHavailableistoolowCheckliquidlevels

Checkthatbothsuctionanddischargeisolatingvalvesareopen

Cleanfilters

‐ImpellerlaminatingringiswornReplaceimpeller–Checkwearinthecasing

‐WrongdirectionofrotationChangetwophasesinmotorjunctionbox

‐Leakageonpumpcasinggaskets,onshaftsealingoronsuctionpipingCheckthetighteningofthecasingcoverfasteningnuts

Replacecasingseal

Replacemechanicalseal

Checktighteningofflangesfasteningbolts

Checkstateofflangesgaskets

Pumpdoes

notprimeor

not

continuously

‐Casing,shaftsealing,footvalveorsuctionpipingleaksReplacecasingseal

Checkshaftsealing

Checktighteningofflangesfasteningbolts

Checkaspectofflangesgaskets

‐Suctionliftistoohigh/NPSHavailableistoolowIfsuctionliftoperationthencheckliquidlevels

Checkthatisolatingvalveonsuctionlineisopened

Cleanfiltersifany

CheckthatavailableNPSHoftheprocessishigherthanthepumprequiredNPSH

‐LooseorjammedpartinthepumpRemovetheback‐pull‐outassemblyandcleantheinsideofpump

Pumpleaks

‐CasingsealleaksCheckthetighteningofthecasingcoverfasteningnuts

Checktheaspectofthecasingseal

‐Shaftsealingleaks(mechanicalseal)ChecktheaspectofthemechanicalsealfacesandO’Ring

Proceedwithreplacementofthemechanicalsealifrequired

‐Shaftsealingleaks(stuffingbox)Ifpossibleretightenthegland.Ifnotpossiblereplacepackingrings/shaftsleeve

Temperature

ofpump

increases

‐PumporpipingisnotcompletelyfilledwithliquidVentpumpcasingandsuctionline

Fillcompletelythesuctionpipewithliquid

‐Suctionliftistoohigh/NPSHavailableistoolowIfsuctionliftoperationthencheckliquidlevels

Checkthatisolatingvalveonsuctionlineisopened

Cleanfiltersifany

CheckthatavailableNPSHoftheprocessishigherthanthepumprequiredNPSH

‐PumprunsagainstclosedvalveOpenisolatingvalveondischargeside

Temperature

ofbearing

bracket

increases

‐Oillubricatedballbearings:oillevelistoolowinbearingbracketAddoilinbearingbracket

Checkforaleakage

‐CouplingnotproperlyalignedMakepropercouplingalignment

Pumpruns

noisily

‐PumpormotorballbearingiswornIdentifyandreplacewornballbearing

‐PumporpipingisnotcompletelyfilledwithliquidVentpumpcasingandsuctionline

‐Suctionliftistoohigh/NPSHavailableistoolowIfsuctionliftoperationthencheckliquidlevels

Checkthatisolatingvalveonsuctionlineisopened

Cleanfiltersifany

CheckthatavailableNPSHoftheprocessishigherthanthepumprequiredNPSH

‐ Pumpisnotproperlyleveledorbaseplateisdistorted.Excessiveforcesappliedon

flanges

Checkpumpinstallation

‐ForeignmaterialinthepumpRemovebackpulloutassemblyandcleantheinsideofpumpcasing

Motor

protection

switchesoff

‐CurrentleakageCheckearthingofmotor

Findouttheoriginofcurrentleakage:damagedcables,fluidleakageonelectrical

components,…

‐Stuffingboxover‐tightenedLoosenpackingglandandcheckpackinglubrication

Replacepackingrings

‐ProtectionfusesnotcalibratedproperlyCheckmotorcurrentandselectmotorprotectionaccordingly

‐LiquiddensityishigherthanexpectedCalculateabsorbedpowerandreplacemotoraccordingly

‐PumprunsrightofcurveoroutofapplicationlimitsMeasurepumpdutypointandcheckpumprunsinauthorizedapplicationlimits.If

necessaryaddaregulatingvalveoracalibratedorificeonpumpdischargeline

‐ForeignmatterremainsinsidethepumpcasingRemoveback‐pull‐outassemblyandcleantheinsideofpumpcasing



ENGLISH 

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11 RECYCLINGANDENDOFPRODUCTLIFE

Attheendoftheservicelifeoftheequipmentorits

parts,therelevantmaterialsandpartsshouldberecycled

ordisposedofusinganenvironmentallyacceptable

methodandincompliancewithlocalregulations.Ifthe

pumpcontainssubstancesthatareharmfultothe

environment,theseshouldberemovedfromthepumpanddisposedof

incompliancewithcurrentlocalregulations.Thisalsoappliestoliquids

and/orgasesthatmaybeusedinauxiliarysealingsystems.



Evenwhendismantledfromtheprocesslinethepumpmay

containapartofpumpedfluid.Makesurethatdangerousliquids

havebeeneliminated.Securityrequirementsavailableinthefluidsafety

datasheetsshouldberespected.Suitablepersonnelprotective

equipmentshouldbeusedwhendismantlingthepump.



12 SPAREPARTS

12.1 SECTIONALDRAWINGANDBILLOF

MATERIAL

Thepumpsectionaldrawingandbillofmaterialisavailable

uponrequest.ThedemandshouldbesenttoourSpare

partsDpt.andshouldmentionpumpdescriptionandserialnumber.

Dataareengravedonthepumpnameplateandavailableinthe

acknowledgementoforder.

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

Singlemechanicalsealarrangement:Singlemechanicalseal+externalquench:

 

Singlemechanicalseal+backcoverheating:  Singlemechanicalseal+externalflushing:

 



Shaftsealingwithstuffingbox:

Lifetimelubricatedballbearings:





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

12.3 RECOMMENDEDSPAREPARTS



Whenthepumprunsontheselecteddutypoint,maintenance

operationsareverylimited.Toreduceriskofunexpectedmaintenance

operationsitisrecommendedtocreateandfollowamaintenanceplan.

Inanycase,followingsparepartsshouldbekeptonstocktoensurea

quickre‐start:

Mechanicalsealorasetofpackingrings,*

Setofbearingbracketballbearings*,

Setofshaftbearing*,

Setofmotorballbearings(forframesize>90),

Completesetofsealsandgaskets,

Couplingelasticpart(s)*,

Automaticgreasingcartridge*.

(*):somepartsmaynotconcernyourpump.OurSparePartsDptwill

confirmpumpbillofmaterialaccordingtotheserialnumberengraved

onpumpnameplate.



12.4 RECOMMENDEDSPAREPARTSFOR2

YEARSOPERATION

Sparepartslistcanbeerectedusingtherecommendedlist

availableintheDIN24296.

Forexample,recommendedsparepartsandquantitiesforoneortwo

pumpsinstalled(tobeadaptedaccordingthepumpdesign):

‐ Impeller:1(or1set),

‐ Shaft:1,

‐ Impellernut:1,

‐ Shaftseal:2,

‐ Bearingbracketballbearing:1ofeachtype,

‐ Bearing*:1ofeachtype,

‐ Casing/stageseal:4completesets,

‐ Mechanicalseal:1,

‐ Packingring*:2sets,

‐ Automaticgreasingcartridge*:2.

(*):somepartsmaynotconcernyourpump.OurSparePartsDptwill

confirmpumpbillofmaterialaccordingtotheserialnumberengraved

onpumpnameplate.



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salmson NOLH Operating instructions

Brand: salmson

Model: NOLH

Type: Operating instructions

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