CustomizationSperrehasspecializeditsproductionofheatexchangerstoenablecustomizedsoluti***basedonstandardheatexchangermodels.Weh***eadvancedcomputerprogramsforcalculatingthethermalperformanceofourheatexchangerseffectivelyandaccurately.Dimensi***Sperreoffersmorethan200standardmodelsofshellandtubeheatexchangerswithcoolingsurfacesfrom0.2to350m2.Theouterphysicalmeasurementsarelimitedtoadiameterof1mandalengthof4m..PressureclassesSperresuppliesshellandtubeheatexchangerswithdesignpressuresrangingfrom10to100bardependingonsize.Allofourheatexchangersarehydrostaticallypressure-tested,andsuppliedwithapressuretestcertificate.DocumentationDocumentationcompliantwiththecustomer’sspecificati***ortheclassificationcompany'srequirementsisroutinelyincludedwitheachdelivery,andallourstandardshellandtubeheatexchangersh***etypeapprovalfromallthemarineclassificationcompanies.(DNV,ABS,GL,MRS,RINA,BV,etc.)MaterialsSperrehasawealthofexperienceinworkingwithspecialmaterialtypes,andourhighlyqualifiedtechnicalpersonnelcanadviseonappropriatematerialsforeventhemostdemandingoperatingconditi***.Wesupplyshellandtubeheatexchangersinthefollowingmaterials:TubesAl/brass,CuNi90/10,CuNi70/30,carbonsteel,stainlesssteelandtitaniumTubeplatesMunzmetal,carbonsteel,stainlesssteelandtitaniumBafflesMunzmetal,carbonsteel,stainlesssteelandtitaniumShellCarbonsteel,low-temperaturesteelandstainlesssteelWaterboxesCastiron,bronze,carbonsteel,stainlesssteelandtitaniumApplicati***Sperreproducesshellandtubeheatexchangersforthefollowingpurposes:CoolersOilcoolersforlubeoils,hydraulicoilsandthermaloils.Freshwatercoolersformainenginesandauxiliaryengines.CoolersforexhaustgasesfromdieselenginesinExareas.PreheatersFreshwaterpreheatersforprocessfacilitiesandcentralheatingsystems.Seawaterorfresh-waterpreheatersfortank-cleaningandforheatingswimmingpools,forexampleoncruisevessels.Oilpreheatersforthermaloils,dieseloilsandhe***yfueloils.PreheatersforLPG.Cargoheatersforchemicalsintransport.CondensersandevaporatorsSteamcondensersfordumpingsteam.Condensersandevaporatorsforrefrigerationfacilities,suchasammoniaandfreoncondensers.SparepartsWedeliverallspareparts,suchaswaterboxes,gaskets,packingglands,O-rings,plugsandzincanodes,anywhereintheworldwithin48hours.Rapiddeliveryofcompleteheatexchangers,shellsandtubebundlesisalsoahigh-priorityobjectiveforSperre.QualitySperrehaswonareputationforsupplyinghigh-qualityheatexchangersthatwillh***ealonglifetimeunderdemandingoperatingconditi***.Forexample,allSperre’sheatexchangersaremanufacturedtoallowthermalexpansiontotakeplacewithoutcausingleaksorotherdamage.Thewallsofthewaterboxandshellarethickenoughtowithstandagreatdealofcorrosionbeforeanyleakageoccurs.Inmarineapplicati***,thishastheaddedbenefitthatittakeslongerbeforetheheatexchangerneedscleaningbecauseofbio-fouling.Tolengthenthelifetimeoftheheatexchanger,ourcalculati***focusonachievingc***ervativeoperatingconditi***.Weuseonly***oothtubesinourheatexchangers,whichmakesitpossibletoreplaceindividualtubesinthetubebundle.Allourheatexchangersareespeciallyeasytodi***antle,assembleandmaintain)