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EN 16668:2025 Standard

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  Keywords:

#equipment #applicable #document #legislation #european

  Directive

Pressure equipment Directive (2014/68/EU)

  Last Official Journal reference

Monday 12th of January 2026

  Description:

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

  Purpose

This document is applicable to metallic valves as pressure accessories for industrial applications with a maximum allowable pressure PS greater than 0,5 bar in accordance with the European legislation for pressure equipment and specifies requirements applicable to design, manufacture, testing, materials and documentation. All essential safety requirements of the European legislation for pressure equipment applicable to valves have been taken into consideration and are addressed in this document. This document does not apply to: -  safety valve and bursting disc (safety accessories), -  sight glass with its frames (component of a pressure equipment), and -  measurement chambers. For other exclusions, refer to the European legislation for pressure equipment [60].

  Publication

Monday 12th of January 2026

  Related Standards

EN 19:2016

Pressure equipment Directive (2014/68/EU)

Industrial valves - Marking of metallic valves

EN 12952-9:2002

Pressure equipment Directive (2014/68/EU)

Water-tube boilers and auxiliary installations - Part 9: Requirements for firing systems for pulverized solid fuels for the boiler

EN 12953-8:2001/AC:2002

Pressure equipment Directive (2014/68/EU)

Shell boilers - Part 8: Requirements for safeguards against excessive pressure

EN 12953-8:2001

Pressure equipment Directive (2014/68/EU)

Shell boilers - Part 8: Requirements for safeguards against excessive pressure

EN 12953-7:2002

Pressure equipment Directive (2014/68/EU)

Shell boilers - Part 7 : Requirements for firing systems for liquid and gaseous fuels for the boilers

EN 12953-6:2011

Pressure equipment Directive (2014/68/EU)

Shell Boilers - Part 6: Requirements for equipment for the boiler

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