Covers slip-on, grooved, and shouldered couplings designed for quick assembly .
BS EN 10311 does not replace ASME IX or ISO 15614. However, it is harmonized with the Pressure Equipment Directive (PED), making it mandatory for CE/UKCA marking of steel pipelines in Europe and the UK. Bs En 10311 Pdf
. It refers you to other standards like EN ISO 5817 for weld imperfections. Bs En 10311 Pdf
As of May 2026, remains the current version. Because it is a copyrighted technical document, it is not legally available for free download. Authenticated copies can be purchased through official outlets: Bs En 10311 Pdf