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1.1Scope Add:Thisspecificationcontains minimumrequirements forpumps,their spareparts andaccessories ifother specialspecifications are not valid.
1.2Alternative DesignsAdd:Alternative designsdeviating fromthis specification,but suitable for the operating conditions,may beoffered inaddition.Deviations fromthis specificationshall be specified in the proposal for approval by Purchaser.
1.3Conflicting RequirementsAdd:The Vendorhas tobring discrepanciesto Purchasersattention.
1.4Definition ofTerms Add:The termPurchaser*as used inthisspecificationshall refer toLINDE and/or itsauthorized representatives.The termVendor asusedinthisspecificationshallreferto manufacturerof theequipment includinghis subcontractors.
1.5Referenced Publications
1.
5.1Mod:Instead of the U.S.publications showninAPI676,the equivalentGerman standards,codes andspecifications,respectively standards,codes andspecifications applicablefor theplant,are valid.2BASIC DESIGN
2.1General
2.
1.1Add:All components,including driversand gears,shall be suitable for a loadingbasedon the maximumrated design pressure.
2.
1.2Add:The maximum allowable soundlevel andthe requirementsfor noisecontrol are specified separately.
2.
1.4Add:NPSHR shall be atleast1m3ft lowerthan NPSHA.
2.
1.5Mod:All electricalcomponents andinstallations shall besuitable for thearea classificationand groupingspecified on the„Pumps-Technical Specification-General*and/or„Data Sheet
4.
2.
1.7Add:All equipmentcovered bythisspecificationshall besuitableforoperation outdoors,totally unprotectedfrom theweather.
2.
1.8Newpara:In casethe operatingand/or plantconditions requirecooling orheating,appropriate jacketsshall be provided atthe pump.Operating andrated design conditions of the utilitysystems will be specified in„Data Sheet*and/or„Pumps-Technical Specification-General.The Vendorshall specifythe requiredquantities of the utilities in the„Data Sheet
4.
2.2Ratings andSpeeds
2.
2.1Add:Anticipated processvariations are specified in„Data Sheet.
2.
2.2Add:The maximumallowable workingpressure and temperature are specified in„Data Sheet,.
2.3Pressure Casings
2.
3.9Mod:Operating anddesignconditionsfor thecooling/heating systemare specified on„Pumps-Technical Specification-General
4.
2.4Casing Connections
2.
4.1Mod:Inlet andoutlet connectionsshall beflanged andshall havethe samepressure rating.Exceptions will be especiallyagreed.
2.
4.4Mod:Design andrating offlanges arespecified on„Pumps-Technical Specification-General**and/or„Data Sheet.
2.
4.6Add:Design ofcasing ventand drainarespecified on„Pumps-Technical Specification-General*and/or„Data Sheet
4.
2.
4.7Add:The Vendorshall specifythe maximumallowable forcesand momentsfor the pump nozzles.
2.
4.8New para:Flange connectionsshall bedesigned forthrough-bolting.In casethe flangesare notaccording toDIN orANSI standard,the Vendorshall showall dimensionsthickness,diameter,etc.on theoutline drawing.
2.
4.9Newpara:When pressuregauge connectionsshall beprovided,this will be specifiedseparately.
2.5Rotating Elements
2.
5.2Add:Rotors andshaft shall be stiffenough for the conditionsat rated design pressureandtemperature.
2.
5.4Newpara:The majorrotating partsshall be dynamically balancedto GradeG2,5of ISO
1940.
2.
5.5Newpara:The effectivevibration velocityunfiltered atthe bearing housing of the pumpshall notexceed3,0mm/sinvertical,horizontal andaxial direction.
2.6Mechanical Sealsand ConventionalPacking
2.
6.1Mod:If notspecified otherwise,mechanical seals shall be used.
2.
6.2Mod:Glands shall be boltedfor allpumps equipped with mechanical seals.
2.
6.
3.1Add:Mechanical sealsshall beof thehydraulically balancedtype.Manufacturer ofmechanical sealsarespecified in„Data Sheet“and/or„Pumps-Technical Specification-General,.
2.
6.
3.5Add:Type ofmechanical sealsingle,double ortandem andrequired shaft sealing deviceswill bespecified in„Data Sheet
14.
2.
6.4Mod:See para.
2.
6.
1.
2.7Bearings
2.
7.2Add:Additional thehousing foroil-lubricated bearingsshall beequippedwith constant level oiler seealso para.
2.
8.
2.
2.
7.5New para:If watercooling isrequired waterjackets orcooling coilsmay be used.Pipe connectionsinside thebearinghousingare prohibited.
2.
7.6Newpara-.Thrust bearingshall bea partof the pump.
2.8Lubrication
2.
8.2Mod:Oil-lubricated bearingsin separatehousings shall be furnishedwithconstantleveloiler.
2.
8.3New para:The requirementof apressure lubricationsystem andthe supplierwill be especially specified.
2.9Materials
2.
9.2Add:The Vendorshall offerthe mostsuitable materialsfor thespecified operatingconditions.Brass andbronze shallnot be used forparts exposedto theambient air.It is not permittedto useasbestos.
2.
9.
3.3Add:All weldrepairs ofpressure casingshaveto be approvedby the Purchasers materialinspection departmentprior torepair.
2.
9.
2.5New para:For constructionweldings specialspecifications arevalid.These shall be requestedfrom the Purchaser,if required.
2.
9.3Mod:At allowablepumping temperaturetemperature atrateddesignpressure below minus10℃„AD InstructionalPamphlet W10H shall beused.
2.10Nameplates andRotation Arrows
2.
10.1Add:At leastthe followinginformations are required:•Name andaddress of the manufacturer•Pump typeand size•Item number•Serial number•Rated capacity•Rated head•Pump speed•Power input•Impeller diametermaximum andinstalled•Casing hydrostatic test pressure•Rated designpressure•Rated designtemperature Additionally,the itemnumber andthe casinghydrostatictestpressure shall be stampedonthedischarge flange.3ACCESSORIES
3.1Drivers
3.
1.1Add:The Purchaser will specifyand furnishthepumpdriver motor.For pumpswith commonbase plate,the driver will beshipped directlyto Vendorswork shopfor installationofthecoupling,mounting andalignment ofthe wholeunit by the Vendor.For pumpswith separatebase platethe Vendorshall shipthe drivercoupling halfcompletely machined!to the driver manufacturer,if notspecified otherwise.In casethe driverisnota standardelectrical motor,an outlinedrawing ofthe driverwill be supplied to the Vendor.The Vendorshall provideall informationsto enablethe Purchaserto orderthedriver3weeks afterpump purchaseorder.
3.
1.2Add:Anticipated processvariations thatmay affectthe sizingofthedriverwill be especially specified inData Sheet.
3.
1.3Add:See Pumps-Technical Specification-General and/or Data Sheet.
3.
1.5Add:See Pumps-Technical Specification-General and/or Data Sheet.
3.
1.7Mod:Belt andchain drivesarenotacceptable.
3.
1.8Newpara:Gears forpositive displacementpumps-rotary shall be pump Vendors standard.
3.2Couplings andGuards
3.
2.2Add:Coupling manufacturerand typewill bespecified onData Sheet1and/or Pumps-Technical Specification-General.The couplinghubs shallhave cylindricalfits.Use oftaper fitswill beespecially specified.Couplings shall bedynamicallybalanced.
3.3Baseplates
3.
3.1Add:Drain-rim ordrain-pan baseplatessuitableforgrouting shall be furnished.
3.
3.3Mod:The baseplatesshall bea fabricatedsteel unit.
3.
3.4Add:Baseplates withlift lugsshall beprovided.
3.
3.6Mod:Anchor boltsshallbe supplied by the Vendor.
3.
3.7Add:The baseplateand pedestalsupport assemblyshallbesufficiently rigidto bemounted withoutgrouting.If thebaseplate w川not begrouted,it will beespeciallyspecified.
3.
3.8Add:Replaceable shimsto compensatethe tolerancesshallbe supplied byVendor.
3.4Relief Valves
3.
4.1Mod:Relief safetyvalves forpump protectionshallbeprovided by the Vendor,if notspecified otherwise.
3.5Auxiliary Piping
3.
5.1Add:Non-Soldered TaperBush TypePipe Unionsshallnot beused.
3.
5.2Add:The coolingwater pipingon pumpsshallbesupplied byVendor,terminating withflanges atthe edgeofthebaseplate onpump side.All coolingpoints shallbe pipedin parallel.Each coolingpoint shallbe furnishedwith amanual regulatingvalve in the inletline anda closedsight flowindicator in the outletline.All partsof auxiliarysystems ofthe mechanicalsealsshallbesuppliedwith materialresistant tothe liquid,but atleast ofstainless steel.
3.
5.3Mod:Brass andbronze shallnot beused.Use ofgalvanized pipewill beespeciallyspecified.4INSPECTION ANDTESTS
4.4General Add:The tests and inspections required by the Vendorshallbespecifiedinthe proposal.Tests and inspectionsrequiredbythe Purchaser forspecific itemswillbespecifiedin purchaseorder and/or„Data Sheet
4.All inspectionsand tests shallbecarried outbythe Vendor.The inspectionsand testswitnessed bythe Purchaserwillbeagreed withtheVendor and notedinpurchaseorderand/or„Data Sheet.
4.5Inspection
4.
5.1Add:The Vendorshall sendall certificatesand testdata forthe required testsandinspections tothePurchaser.
4.6Tests
4.
3.
1.1Add:The followingtestsshallbe performedon allpumps:•Certified materialtest inaccordance withData Sheet•Certified hydrostatictest•Certified performance test OtherrequiredtestswillbespecifiedinData Sheetand/or purchaseorder.
4.
3.
1.2Mod:The Vendorshall notifythePurchasernot lessthan ten10working daysprior tothe dateof allagreed testsandinspections,so thatthePurchasermay bepresent.After receiptof thisnotification thePurchaserwilldecide whetherto bepresent.
4.
3.
2.1Mod:Minimum testpressure shallbe1,5times rateddesignpressure.Minimum testperiod shallbe30minutes.
4.
3.
4.1Newpara:For theperformancetest,the Purchasersdriver shallnotbeused,if notspecified especially.A calibratedtest shopmotor shallbeusedfor performancetesting.
4.
3.
4.2Add:If required,NPSH testsarespecifiedonthe„Data Sheet,.
4.
3.
4.3Add:The testconditions arethe ratedconditions withthe usualspeed allowancesofthemotors.Deviations shallbespecifiedintheproposalforapprovalbyPurchaser.
4.
3.
4.4Add:Certified performancedata andcurves shallbesupplied.
4.
3.5Newpara:Material TestsFor pressurecontaining partsand rotatingparts thefollowing certifiedtests inaccordance withEN10204arerequired:•Special RequirementsspecifiedonDataSheetEN10204/
3.1B Chemical analysis and tensile strengthand impacttests verifiedby inspectioncertificates inaccordance withEN10204/
3.1B•Normal RequirementsspecifiedonDataSheetEN10204/
2.2Chemicalanalysisandtensilestrength verifiedby testreport inaccordance withEN10204/
2.2If thetemperature atmaximumallowableworking ratedpressure isbelowminus29℃,Special Requirementsshallbeapplied.
4.4Preparation forShipment
1.
1.
1.1Add:Outdoor storagefor atleast one1year mustbeprovidedfor.
4.
4.
2.4Add:Damages byunsuitable closuresareinthe responsibilityoftheVendor.
4.
4.
2.5Add:See
4.
4.
2.45GUARANTEE ANDWARRANTY Seecommercial specification.6VENDORS DATA
6.1Proposal Mod:The Vendorsproposal shall include:•All informationsand documentsas shownin..Documents and Date Requirementsin columnA.•Sheet TUMPS,Price andWeights completed.•Special instructionsfor installation and piping.
6.2Contract Data
6.
2.
1.1Add:See Documents andDate Requirements*and/or specificationfor documentation.
6.
2.
1.2Add:Manufacturing shallstart afterthe purchasersapproval ofthe drawings.
6.
2.
1.3Add:The specificationfor documentationshallbeconsidered.
6.
2.3Add:Form andfrequency ofprogress reportswillbeagreed betweenVendorandPurchaser duringdiscussion ofthe offer.
6.
2.4New para:Installation and operating instructionsThe manualsshallbedelivered insuch aform thatthey canbe easilyput intoa fourpin documentationfolder.The manualsshallincludeThe pumpspecific part consisting of:•Data sheet•Performance testcurve•Characteristic curveincluding NPSH-curve•Arrangement drawing of completeunit pump,driver,gear,auxiliaries,baseplate,etc.=On thearrangement drawingthe completescope ofsupply hasto beshown!•Cross sectionaldrawingofpump andshaftsealingsystems•Drawings ofinterconnecting pipingIf notclearly showninthearrangement drawing!•Parts listThe generalpartconsistingof:•General instructions•Special instructionsforthespecific operatingconditions.Procedures formaintenance egreplacement ofmechanicalsealcomponents are tobedescribed andspecial instructionsfor start-up andshut-down egpumps forlow temperaturesare tobe added.The installationinstructions shallalso includethe necessaryalignment values,eg staggeringof articulatedshafts,permissible deviationsintheshaft positionfrom horizontalor vertical.•Instructions forall equipment,which issupplied bysubsuppliers mechanicalseal,barrier system,coupling,instrumentation,electrical equipment,etc.Not applicabletext partsaretobe crossedout.In additiontothenumber ofinstallationandoperating instructionsindicated inthe formDocumentsandDateRequirementsand/or specificationfor documentation,one1copy ofthe installationandoperatinginstructions shallbesuppliedtogether withthepumpto jobsite.Furthermore separatedata bookscontaining certificatesaccording tothe QCPQuality ControlPlan shallbe furnishedbytheVendor.The databooks shallinclude:•Performance testcurves andprotocols withall relevantvalues•Hydrostatic testreport•Vibration measurementreport•Balancing report•Strip testreport withwearing clearancesprotocol•Material certificates•All othercertificates whichare issuedbythepumpVendorand hissubsuppliers ForEquipment whichwillbeinstalled inthe EC,either aCertificate ofCompliance Hersteller-erklarung*oraCertificate ofConformity Konformitatsbescheinigung*according toEC-Machinery Directiveshallbesupplied intheoperatingmanual andadditionally inthe databooks.Revision:Previous Issues:Copyright reserved.。