EN 331:1998/A1:2010

Reference details

Reference: EN 331:1998/A1:2010
Official title: Manually operated ball valves and closed bottom taper plug valves for gas installations for buildings
Organisation: CEN
Publisher status in source: WithdrawnThis is the status recorded in the source, not a statement that this is the latest edition.
Source access: 19 October 2026

Research and application

Begin with the official scope and the product configuration. The title identifies a subject; it does not establish every product, use condition or legal requirement covered by the publication.

Product research routes

Pressure equipment and fluid systems
Pressure boundaries, fluid characteristics and the interaction of vessels, piping and protective devices.
Construction products and structural materials
Declared product performance, assessment methods and the relation between a product and its intended use in works.

Questions for the evidence file

Pressure design basis
Material traceability
Joining procedures
Inspection and protective-device evidence
Product-type identification
Performance assessment

Record the exact edition and associated amendments, the assessed object, the evidence examined and the limits of the conclusion. Explore IESQ research for detailed product and standard studies.

Legislation reference records

The following records come from Commission information lists. A source listing, a publication status and a legal presumption of conformity answer different questions. Check the applicable Official Journal acts, dates and restrictions for the intended claim.