NF T81-151

Transportation and handling of chemicals - Road tankers - Caps for valves fixed by pins or bolts

Le présent document a pour objet de prévoir les conditions de mise en place et les caractéristiques dimensionnelles d'interchangeabilité des appareils de sectionnement pour les citernes équipés de robinets fixés par goujons ou boulons sur les couvercles de trous d'homme sans clapets internes de sécurité. Il s'applique aux citernes transportant des produits chimiques liquides à la pression atmosphérique mais isolés de l'atmosphère.

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