It applies specifically to non-alloy steel tubular products used for aqueous liquids, including water intended for human consumption (potable water).
Standardized bolt-circle connections referencing BS EN 1092-1 or BS EN 1759-1.
It does not specify the requirements for the pipes themselves; those are covered by complementary standards like BS EN 10224. Key Joint Types Covered Bs En 10311 Pdf
The document outlines several standardized connection methods, each suited to different installation environments and pressure requirements: Joint Type Key Characteristics
Annex ZA provides information on how the standard meets the essential requirements of the EU Construction Products Directive. Who Needs This Standard? It applies specifically to non-alloy steel tubular products
Includes slip-on, grooved, and shouldered couplings for faster on-site assembly.
Intertek Inform : An alternative commercial provider for international standards. 9 ? BS EN 10311:2005 - BSI Knowledge Key Joint Types Covered The document outlines several
Full-strength fusion welds between pipe ends prepared to BS EN 10224 specs.
BS EN 10311 specifies a comprehensive range of jointing methods for connecting and fittings. Its primary goal is to ensure that these connections can withstand the internal pressure and environmental stresses inherent in water conveyance without leaking or failing.
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: