BRITISHSTANDARDBSEN13959:2004IncorporatingcorrigendumOctober2008Anti-pollutioncheckvalves—DN6toDN250inclusiveFamilyE,typeA,B,CandDICS23.060.50����������������������������������������������������������������������LicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIBSEN13959:2004ThisBritishStandardwaspublishedundertheauthorityoftheStandardsPolicyandStrategyCommitteeon31October2006©BSI2008ISBN9780580630699NationalforewordThisBritishStandardistheUKimplementationofEN13959:2004.ItsupersedesBS6282-1:1982whichiswithdrawn.TheUKparticipationinitspreparationwasentrustedbyTechnicalCommitteeB/504,Watersupply,toSubcommitteeB/504/14,Backflowprevention.Alistoforganizationsrepresentedonthissubcommitteecanbeobtainedonrequesttoitssecretary.AttentionisdrawntoerrorsinFigures10and11,inwhichalltheclausereferences11.8shouldread11.9.Thispublicationdoesnotpurporttoincludeallthenecessaryprovisionsofacontract.Usersareresponsibleforitscorrectapplication.CompliancewithaBritishStandardcannotconferimmunityfromlegalobligations.Amendments/corrigendaissuedsincepublicationDateComments320080NovemberAdditionofsupersessiondetailstonationalforewordLicensedCopy::FULLNAME,:DATE,UncontrolledCopy,(c)BSIEUROPEANSTANDARDNORMEEUROPÉENNEEUROPÄISCHENORMEN13959October2004ICS23.060.50EnglishversionAnti-pollutioncheckvalves-DN6toDN250inclusivefamilyE,typeA,B,CandDClapetsdenonretourantipollutionDN6àDN250-FamilleE,TypeA,B,CetDRückflussverhinderer-DN6bisDN250-FamilieE,TypA,B,CundDThisEuropeanStandardwasapprovedbyCENon22July2004.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelistsandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCentralSecretariatortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytranslati...
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