NF EN 14420-6

Hose fittings with clamp units - Part 6 : TW tank truck couplings

Le présent document constitue la sixième 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 raccords TW pour flexibles d'accouplements pour camions citernes pour le transport de liquides, de matières solides et de gaz, à l'exception des gaz liquéfiés et de la vapeur. Ces raccords sont utilisables à une pression en service de 0,8 bar à 16 bar et une température en service de . 20 °C à +65 C. Il décrit les différentes combinaisons de raccords, les éléments constitutifs, les dimensions, la désignation, les matériaux à utiliser et le marquage, et définit des exigences pour la conception. La partie 1 spécifie les exigences générales et l'essai de type de ces raccords.

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