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1、FlangedSteelPressureReliefValvesAPISTANDARD526FIFTHEDITION,JUNE2002COPYRIGHT2002;AmericanPetroleumInstituteDocumentprovidedbyIHSLicensee=SincorVenezuela/5934214100,User=,08/14/200209:56:02MDTQuestionsorcommentsaboutthismessage:pleasecalltheDocumentPolicyManagementGroupat1-800-451-1584.Fla
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3、0-451-1584.SPECIALNOTESAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttopartic-ularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.APIisnotundertakingtomeetthedutiesofemployers,manufacturers,orsupplierstowarnandproperlytrainandequiptheiremploye
4、es,andothersexposed,concerninghealthandsafetyrisksandprecautions,norundertakingtheirobligationsunderlocal,state,orfed-erallaws.Informationconcerningsafetyandhealthrisksandproperprecautions,withrespecttoparticularmaterialsandconditions,shouldbeobtainedfromtheemployer,themanufacturerorsuppl
5、ierofthatmaterial,orthematerialsafetydatasheet.NothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orprod-uctcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbecon-struedasinsur
6、inganyoneagainstliabilityforinfringementofletterspatent.Generally,APIstandardsarereviewedandrevised,reafÞrmed,orwithdrawnatleastevery5years.Sometimes,aone-timeextensionofupto2yearswillbeaddedtothisreviewcycle.Thispublicationwillnolongerbeineffect5yearsafteritspublicationdateasanoperativeA
7、PIstandardor,whereanextensionhasbeengranted,uponrepublication.Statusofthepub-licationcanbeascertainedfromtheAPIDownstreamSegment[telephone(202)682-8000].AcatalogofAPIpublicationsandmaterialsispublishedannuallyandupdatedquarterlybyAPI,1220LStreet,N.W.,Washington,D.C.