NF EN 1983

Industrial valves - Steel ball valves

Le présent document s'applique aux robinets à tournant sphérique industriels en acier à extrémités à bride, extrémités filetées, extrémités à emboîter et à souder ou extrémités à souder en bout, pour des applications industrielles et générales, pour les DN 4 à DN 900, les PN 6 à PN 100 et les Class 150 à Class 4500. Il définit leurs spécifications techniques et notamment leurs caractéristiques dimensionnelles et fonctionnelles, ainsi que les essais auxquels ils sont soumis. Le présent document est destiné à venir en appui aux exigences essentielles de la Directive 97/23/CE "DESP".

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