The Pressure Equipment Directive 2014/68/EU (formerly 97/23/EC) outlines the standards to which pressure equipment within the EU must conform – it includes equipment such as pressure vessels, boilers, piping, and safety valves

The purpose of the Pressure Equipment Directive is to ensure the free flow of stationary pressure equipment within the European Union. PED certification At the same time it is to ensure that all pressure equipment passes a high degree of safety.

According to the Community Regime of the Directive, when pressure equipment and assemblies fall above a specified pressure and volume threshold they must adhere to these requirements:

  • They must be safe
  • They must meet essential safety requirements covering design, manufacture and testing
  • They must satisfy suitable conformity assessment procedures
  • They must carry the CE marking

When pressure equipment and assemblies fall below a specified pressure and volume threshold:

  • They must be safe
  • They must be in accordance with sound engineering practices of a member state
  • They must bear specified markings .

What is the PED directive?

The legislation for pressure equipment (PED “Pressure Equipment Directive”) is a European Union legislation concerning the fundamental phases in the creation and commissioning of these components, namely the design, the construction process and the installation. However, this legislation does not specify regarding maintenance interventions and operating conditions that are governed by the regulations in force in the national states where the installation sites are located.
What are the components to which the PED directive applies?
The components under pressure are all those components that are subjected to a relative pressure of at least 0.5 bar. In fact, devices subjected to a lower pressure are not included in the standard, but membership in the class subject to the directive is not mandatory even with a higher pressure. In fact, after the pressure has been measured, it must also be established whether this component actually falls within the field of applicability of the standard.


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