prEN 12266-1

This document specifies requirements for tests, test procedures and acceptance criteria for production testing of industrial valves made of metallic materials.
NOTE  The specified tests can also be used as type tests or acceptance tests.
This document does not apply to:
-  industrial valves of thermoplastic materials;
-  safety valves and bursting discs (safety accessories);
-  sight glass with its frames (component of a pressure equipment).
When specified as a normative reference in a valve product or performance standard, this document is to be considered in conjunction with given specific requirements of the valve product or performance standard. Where requirements in a product or performance standard differ from those given in this document, the requirements of the product or performance standard apply.