BS EN 10311:2005 is the British and European standard that defines requirements for joints used to connect steel tubes and fittings, specifically for the conveyance of water and other aqueous liquids. BSI Knowledge Scope and Purpose
Covers qualifications of welders, fit-up tolerances, environmental controls (e.g., wind, moisture), and heat treatment if required.
The standard outlines rigorous pressure and leak tests that joints must pass before being commissioned. Material Compatibility:
This clause presents a flow-chart driven methodology with three main steps: