BS EN 12266-1:2012 Standard

Industrial valves — Testing of metallic valves Part 1: Pressure tests, test procedures and acceptance criteria — Mandatory requirements

This British Standard has now been published and is the UK implementation of EN 12266-1:2012. It supersedes BS EN 12266-1:2003 which is withdrawn.

It specifies requirements for tests, test procedures and acceptance criteria for production testing of industrial valves made of metallic materials. The specified tests may also be used as type tests or acceptance tests. Safety devices are not covered by EN 12266-1.

Note: For testing of industrial valves of thermoplastic materials, ISO 9393-1 and ISO 9393-2 apply.

The main changes compared to the previous edition are:
• The scope was specified and editorially revised
• Normative references are updated;
• Clause 3 Terms and definitions are revised;
• Clause 4 Test requirements are changed;
• A.1.6 Allowable pressure at room temperature is deleted;
• Table A.2, “Minimum test duration for shell tests” has been updated
• Annex ZA revised
• Bibliograpghy updated

Copies of this standard are available from BSI www.

Published in Valve User Magazine Issue 23

Summer 2020 // Issue 53
Read latest articles Pageflip Magazine Version Download Magazine