# Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment (recast) (Text with EEA relevance), Division (a): Pressure containment and other loading aspects

Extent: E+W+S+N.I.

The allowable stresses for pressure equipment shall be limited having regard to reasonably foreseeable failure modes under operating conditions. To this end, safety factors shall be applied to eliminate fully any uncertainty arising out of manufacture, actual operational conditions, stresses, calculation models and the properties and behaviour of the material.
These calculation methods shall provide sufficient safety margins consistent, where applicable, with the requirements of point 7.
The requirements set out above may be met by applying one of the following methods, as appropriate, if necessary as a supplement to or in combination with another method:
design by formula,
design by analysis,
design by fracture mechanics.

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Source: https://www.legislation.gov.uk/eudr/2014/68/annex/I/division/1/division/n6/division/2.2/division/2.2.3/division/a (the official version)
Page: https://openlegislation.uk/eu-directive-2014-68/annex-I/division-1/division-n6/division-2.2/division-2.2.3/division-a
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.