Pressure Equipment Directive (PED)

This Directive applies to the design, manufacture and conformity assessment of pressure equipment and assemblies with a maximum allowable pressure greater than 0.5 bar gauge including vessels, piping, safety accessories and pressure accessories.

Not all pressure equipment is covered by this directive as The Transportable Pressure Equipment Directive and the Simple Pressure Vessels Directive both cover certain equipment and products which present a relatively low hazard from pressurization are covered by the Machinery Directive.

Who is the Directive for?

This Directive is relevant to manufacturers (and may include importers, suppliers or authorised representatives) of pressure equipment selling into most European countries. The definition of pressure equipment includes vessels, piping, safety accessories or pressure accessories.

Once you meet the requirements of the Directive you will be able to apply the CE marking to the products.

What products do we test?

Typical examples of pressure equipment covered include: 

Typical examples of safety accessories include:

  • safety valves,
  • bursting disc safety devices,
  • buckling rods,
  • controlled safety pressure relief systems


  • pressure switches
  • temperature switches
  • fluid level switches

where these are used in safety related applications.

Benefits of meeting the Directive 

  • A complete compliance service on products including design assessment (modules B/B1), from fire extinguishers to major industrial installations.
  • An expert and dedicated PED team to support customers through every step of the certification process.
  • BSI’s experience helps customers achieve PED compliance with minimal or no interruption to production, inspections/audits and consideration to keeping your costs down.


Why choose BSI for product certification

Contact us today to start your journey to certification where we can help you to meet the requirements of the Directive.