NF EN 14420-3

Hose fittings with clamp units - Part 3 : Clamp units, bolted or pinned

Le présent document constitue la troisième partie d'un ensemble de huit normes relatives aux raccords avec demi-coquille pour flexibles en caoutchouc ou thermoplastique, destinés à être utilisés avec des produits inflammables ou non. Il spécifie les exigences applicables aux demi-coquilles, goupillées ou boulonnées, destinées à être utilisées avec des douilles conformes à la partie 2. Il décrit les différents types de demi-coquille ainsi que leurs dimensions, masse et désignation, la plage de serrage des demi-coquilles, les fixations (écrous, boulons, goupilles) et les matériaux à utiliser, et définit le marquage. La partie 1 spécifie les exigences générales et l'essai de type de ces raccords.

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