Bs En 13831 Pdf [repack] <UPDATED>
The standard was originally published in 2007 and is currently under systematic review by CEN/TC 69 (Industrial valves and pressure vessels). Expected changes in the next revision (likely 2026-2027) include:
In the UK, under the Pressure Equipment (Safety) Regulations, expansion vessels installed in commercial or residential systems must comply with a harmonized standard like BS EN 13831 to obtain CE or UKCA marking. Using an unofficial or outdated standard could void insurance and lead to prosecution. bs en 13831 pdf
The standard provides the fundamental sizing equation: The standard was originally published in 2007 and
: Covers vessels operating between 0.5 bar and 30 bar . The standard provides the fundamental sizing equation: :
The standard mandates a :
If your application exceeds these limits, do not use BS EN 13831 as your design code.
The transition to interchangeable sensors represents a significant shift in the HVAC industry, driven by the need for and cost-efficiency .
