: Absorbing the increased volume of water as it heats up to prevent over-pressurisation. Cooling Systems : Managing fluid volume changes in chilled water circuits. Potable Water Systems
Before this standard was introduced in 2007, the UK followed , which has since been withdrawn. BS en 13831 PDF | PDF | Welding | Construction - Scribd bs en 13831 pdf
The BS EN 13831 standard sets the rules for making these vessels safe and durable: : Absorbing the increased volume of water as