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Adoption of a New Work Item EN 16668:2025/prA1

Source:
CEN
Committee:
PSE/18 - Industrial valves, steam traps, actuators and safety devices against excessive pressure
Categories:
Information management | Standardization. General rules
Comment period start date:
Comment period end date:

Comment by:

Scope

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].

Purpose

1. Annex F, F.1:

Replace sentence “For joint coefficient kc equal to 1 production test are required and shall comply with EN 13445-4:2021+A1:2023, Clause 8.”

with

“The need for product tests in the case of shells of welded constructions shall be determined in accordance with EN 13445-4:2021+A1:2023, Clause 9 for governing weld joints, which shall also be fully applied for the execution of weld production tests. NOTE: The definition of ‘governing weld joint’ can be found in EN 13445-3.“

2. Annex F, F.2+F.3:

F.2 TE Change the “Material Group Index” for the materials of “Subgroup” 5.1 and 5.2 from C to B.  “Proposal for a change of EN 16668:2025-05 Table F.2 and Table F.3” 

F.3 TE Change the “Material Group Index” for the materials of “Goup No” 5E0 and 6E0 from C to B. “Proposal for a change of EN 16668:2025-05 

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