文档介绍：BRITISHSTANDARDBSEN681-1:—Materialrequirementsforpipejointsealsusedinwateranddrainageapplications—-1:1996,withtheincorporationofamendmentsA1:1998andA2:2002,; --`,,,,``,`,,,,`,,,`,,`,`,``,,-`-`,,`,,`,`,,`---CopyrightBritishStandardsInstitutionDocumentprovidedbyIHSLicensee=BureauVeritas/5959906001,11/08/2004ReproducedbyIHSunderlicensewithBSI-UncontrolledCopy05:16:mentsaboutthismessage:pleasecalltheDocumentPolicyGroupat303-397--1:mitteePRI/70,Elastomericsealsforjointsinpipeworkandpipelines,uponwhichthefollowingbodieswererepresented:’’AssociationFibreCementManufacturers’--`,,,,``,`,,,,`,,,`,,`,`,``,,-`-`,,`,,`,`,,`---ThisBritishStandard,mitteeforMaterialsandChemicals,esintoeffecton15November1996Amendmentsissuedsincepublication©=BureauVeritas/5959906001,11/08/2004ReproducedbyIHSunderlicensewithBSI-UncontrolledCopy05:16:mentsaboutthismessage:pleasecalltheDocumentPolicyGroupat303-397--1:mitteesresponsibleInsidefrontcoverNationalforewordiiForeword2TextofEN681-14--`,,,,``,`,,,,`,,,`,,`,`,``,,-`-`,,`,,`,`,,`---CopyrightBritishStandardsInstitution©BSI9December2002DocumentprovidedbyIHSLicensee=BureauVeritas/5959906001,11/08/2004iReproducedbyIHSunderlicensewithBSI-UncontrolledCopy05:16:mentsaboutthismessage:pleasecallt