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ONORM EN 16668:2025

Industrial valves - Requirements and testing for metallic valves as pressure accessories

This document applies to metal valves as pressure accessories for industrial applications with a maximum allowable pressure (PS) greater than 0.5 bar according to the European Pressure Equipment Directive and specifies the minimum requirements that apply to design, manufacture, testing, materials and documentation. All relevant essential safety requirements of the European Pressure Equipment Directive that apply to the valves have been taken into account and are covered in this standard. This document is not applicable to: - safety valves and bursting discs (a piece of equipment with a safety function); - sight glasses and their holders (part of pressure equipment); and - measuring chambers. For further exclusions, reference is made to the European Pressure Equipment Directive.

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Austrian Standards Institute [on]

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