APIRPxbö393W073229005LbL7579%QualityImprovementManualforMechanicalEquipmentinPetroleum,Chemical,andGasIndustriesAPIRECOMMENDEDPRACTICE683FIRSTEDITION,SEPTEMBER1993AmericanPetroleumInstitute1220LStreet,Northwest4’Washington,D.C.20005COPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServicesCOPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServicesAPIRP*b8393m073223005LbL7b628mQualityImprovementManualforMechanicalEquipmentinPetroleum,Chemical,andGasIndustriesManufacturing,DistributionandMarketingDepartmentAPIRECOMMENDEDPRACTICE683FIRSTEDITION,SEPTEMBER1993AmericanPetroleumInstituteCOPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServicesCOPYRIGHTAmericanPetroleumInstituteLicensedbyInformationHandlingServices~~APIRP*b8393D073227005LbL775bliDSPECIALNOTES1.APIPUBLICATIONSNECESSARILYADDRESSPROBLEMSOFAGENERALNATURE.WITHRESPECTTOPARTICULARCIRCUMSTANCES,LOCAL,STATE,ANDFEDERALLAWSANDREGULATIONSSHOULDBEREVIEWED.2.APIISNOTUNDERTAKINGTOMEETTHEDUTIESOFEMPLOYERS,MANU-FACTURERS,ORSUPPLIERSTOWARNANDPROPERLYTRAINANDEQUIPTHEIREMPLOYEES,ANDOTHERSEXPOSED,CONCERNINGHEALTHANDSAFETYRISKSANDPRECAUTIONS,NORUNDERTAKINGTHEIROBLIGATIONSUNDERLOCAL,STATE,ORFEDERALLAWS.3.INFORMATIONCONCERNINGSAFETYANDHEALTHRISKSANDPROPERPRECAUTIONSWITHRESPECTTOPARTICULARMATERIALSANDCONDI-TIONSSHOULDBEOBTAINEDFROMTHEEMPLOYER,THEMANUFACTURERORSUPPLIEROFTHATMATERIAL,ORTHEMATERIALSAFETYDATASHEET.4.NOTHINGCONTAINEDINANYAPIPUBLICATIONISTOBECONSTRUEDASGRANTINGANYRIGHT,BYIMPLICATIONOROTHERWISE,FORTHEMANU-FACTURE,SALE,ORUSEOFANYMETHOD,APPARATUS,ORPRODUCTCOV-EREDBYLETTERSPATENT.NEITHERSHOULDANYTHINGCONTAINEDINTHEPUBLICATIONBECONSTRUEDASINSURINGANYONEAGAINSTLIABIL-ITYFORINFRINGEMENTOFLETTERSPATENT.5.GENERALLY,APISTANDARDSAREREVIEWEDANDREVISED,REAF-FIRMED,ORWITHDRAWNATLEASTEVERYFIVEYEARS.SOMETIMESAONE-TIMEEXTENSIONOFUPTOTWOYEARSWILLBEADDEDTOTHISREVIEWCYCLE.THISPUBLICATIONWILLNOLONGERBEINEFFECTFIVEYEARSAF-TERITSPUBLICATIONDATEASANOPERATIVEAPISTANDARDOR,WHEREANEXTENSIONHASBEENGRAN...
