NF C46-511

Industrial-process control valves. Face to face dimensions for flangeless control valves except wafer butterfly valves.

La présente norme fait partie d'une série, recopiée de la IEC, traitant des différents aspects des vannes de régulation fréquemment utilisées comme éléments finals des systèmes de commande des processus industriels. La présente norme traite particulièrement des écartements hors tout des vannes de régulation sans brides à l'exception des vannes à papillon à insérer entre brides.

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