AMERICANNATIONALSTANDARDREACTORPLANTSANDTHEIRMAINTENANCESelf-operatedandPower-OperatedSafety-RelatedValvesFunctionalSpecificationStandardANSIN278.1-1975~~..~REAFFIRMED1992FORCURRENTCOMMITTEEPERSONNELPLEASESEEASMEMANUALAS-11SECRETARIATTHEAMmlCANSOCIETYOFMECHANICALENGINEERSPUBLISHEDBYTHEAMERICANSOCIETYOFMECHANICALENGINEERSUnitedEngineeringCenter345East47thStreetNewYork,N.Y.10017CopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-2010byStanfordUniversityUser.Nofurtherreproductionordistributionispermitted.UncontrolledwAMERICANNATIONALSTANDARDAnAmericanNationalStandardimpliesaconsensusofthosesubstantiallyconcernedwithitsscopeandprovisions.AnAmericanNationalStandardisintendedasaguidetoaidthemanufacturer,theconsumer,andthegeneralpublic.TheexistenceofanAmericanNationalStandarddoesnotinanyrespectprecludeanyone,whetherhehasapprovedthestandardornot,frommanufacturing,marketing,purchasing,orusingproducts,processes,orproceduresnotconformingtothestandard.AmericanNationalStandardsaresubjecttoperiodicreview,andusersarecautionedtoobtainthelatesteditions.CAUTIONNOTICE:ThisAmericanNationalStandardmayberevisedorwithdrawnatanytime.TheproceduresoftheAmericanNationalStandardsInstituterequirethatactionbetakentoreaffirm,revise,orwithdrawthisstandardnolaterthanfiveyearsfromdateofpub-lication.PurchasersofAmericanNationalStandardsmayreceivecurrentinfoimationonallstandardsbycallingorwritingtheAmericanNationalStandardsInstitute.ThisstandardwasapprovedbytheAmericanNationalStandardsCommitteeN45anditsSecretariat,anditwassubsequentlyapprovedanddesignatedN278.1-1975bytheAmericanNationalStandardsinstituteonSeptember18,1975.Nopartofthisdocumentmaybereproducedinanyform,inanelectronicretrievalsystemorotherwise,withoutthepriorwrittenpermissionofthepublisher.THEAMERICANSOCIETYOFMECHANICALENGINEERSCopyright01976byAllRightsReservedPrintedinU.S.A.CopyrightedmateriallicensedtoStanfordUniversitybyThomsonScientific(www.techstreet.com),downloadedonOct-05-201...
