NF EN IEC 60534-4
Industrial-process control valves - Part 4: Inspection and routine testing
Le présent document spécifie les exigences relatives à l''inspection et aux essais individuels de série des vannes de régulation fabriquées conformément aux autres parties de l''IEC 60534.
Le présent document spécifie les exigences relatives à l''inspection et aux essais individuels de série des vannes de régulation fabriquées conformément aux autres parties de l''IEC 60534.
Le présent document spécifie les exigences relatives à l''inspection et aux essais individuels des vannes de régulation fabriquées conformément aux autres parties de la NF EN 60534. Ce document s''applique aux vannes dont la classe de pression n''excède pas la Classe 2500. Les exigences pour les actionneurs ne s''appliquent qu''aux actionneurs pneumatiques. Le présent document ne s''applique pas aux types de vannes de régulation destinées à fonctionner dans des applications radioactives, des installations de sécurité à l''épreuve du feu ou pour d''autres conditions de service dangereuses. Si une norme sur le fonctionnement dangereux est en contradiction avec les exigences du présent document, c''est la norme sur le fonctionnement dangereux qui prévaudra.
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