BS EN 13445 series

The BS EN 13445 series of standards applies to unfired pressure vessels subject to a pressure greater than 0,5 bar gauge but may be used for vessels operating at lower pressures, including vacuum.

Compliance with the BS EN 13445 series can be used to demonstrate compliance with the Pressure Equipment Directive.

BS EN 13445 specifies the requirements for design, construction, inspection and testing of unfired pressure vessels. It defines terms, definitions and symbols applicable to unfired pressure vessels.

BS EN 13445 comprises the following Parts:

  • Part 1: General
  • Part 2: Materials
  • Part 3: Design
  • Part 4: Fabrication
  • Part 5: Inspection and testing
  • Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron
  • PD CR 13445-7, Unfired pressure vessels — Part 7: Guidance on the use of conformity assessment procedures
  • Part 8: Additional requirements for pressure vessels of aluminium and aluminium alloys
  • CEN/TR 13445-9, Unfired pressure vessels — Part 9: Conformance of EN 13445 series to ISO 16528.

These parts are inter-dependant. Manufacture of unfired pressure vessels requires the application of all the relevant parts in order for the requirements of the Standard to be fulfilled.


See also:

PD 5500 is a published document which specifies requirements for the design, manufacture, inspection, testing and verification of compliance for unfired fusion welded pressure vessels.

It covers vessels manufactured from carbon, ferritic alloy and austenitic steels, aluminium, copper and nickel used in a wide range of process and energy industry applications.

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