NF EN 1092-1

Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 1 : steel flanges

Le présent document constitue la première partie d'un ensemble de quatre normes concernant les brides PN en divers matériaux. Il spécifie les prescriptions pour les brides circulaires en acier PN 2,5 à PN 400 de diamètres nominaux DN 10 à DN 4000. Il définit les types de brides et leurs portées de joint, les dimensions, les tolérances, les filetages, les dimensions des boulons, les états de surface des faces de joints des brides, le marquage, les matériaux, les relations pression/température et les masses approximatives des brides. Le présent document donne présomption de conformité à la Directive 2014/68/CE "Équipements sous pression" (voir annexe ZA) sous réserve que sa référence soit citée au Journal Officiel de l'Union Européenne.

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