APISTD*bb2950732290O550836577PlateHeatExchangersForGeneralRefineryServicesAPISTANDARD662FIRSTEDITION,DECEMBER1995AmericanPetroleumInstituteCOPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServicesCOPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServices~~APISTD*bb295m07322900550837403mPlateHeatExchangersForGeneralRefineryServicesManufacturing,DistributionandMarketingDepartmentAPISTANDARD662FIRSTEDITION,DECEMBER1995AmericanPetroleumInstituteCOPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServicesCOPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServicesAPISTDxbb295=0732290055083834TSPECIALNOTESAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttopar-ticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.APIisnotundertakingtomeetthedutiesofemployers,manufacturers,orsupplierstowarnandproperlytrainandequiptheiremployees,andothersexposed,concerninghealthandsafetyrisksandprecautions,norundertakingtheirobligationsunderlocal,state,orfederallaws.Informationconcerningsafetyandhealthrisksandproperprecautionswithrespecttoparticularmaterialsandconditionsshouldbeobtainedfromtheemployer,themanufacturerorsupplierofthatmaterial,orthematerialsafetydatasheet.NothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byim-plicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orprod-uctcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.Generally,APIstandardsarereviewedandrevised,reaffirmed,orwithdrawnatleastev-eryfiveyears.Sometimesaone-timeextensionofuptotwoyearswillbeaddedtothisre-viewcycle.ThispublicationwillnolongerbeineffectfiveyearsafteritspublicationdateasanoperativeAPIstandardor,whereanextensionhasbeengranted,uponrepublication.StatusofthepublicationcanbeascertainedfromtheAPIAuthoringDepartment[telephone(202)682-8000].AcatalogofAPIpublicationsandmaterialsispubl...