The Pressure Equipment Directive 2014/68/EU (PED) was adopted into all European national pressure equipment codes and ordinances, and represents one uniform law for pressure equipment being sold in the European Community. The Pressure Equipment Directive 2014/68/EU covers the essential requirements of products (general, design, manufacturing and materials). Aspects of the design, manufacturing and testing of the equipment are the subject of a large number of harmonised standards, many of which are still in the process of being produced The Pressure Equipment Directive 97/23/EC (PED) was repealed and replaced by 2014/68/EU as of July 19, 2016.
The concept of pressure equipment also includes pipes, and piping sections and assemblies of pressure equipment with control and safety accessories, etc. These standards are defined as “harmonised” and they cover many aspects of equipment design, production and final control. In circumstances where there are no harmonised standards, manufacturers are required to operate in conformity with the essential requirements of the directive or strictly within the guidelines imposed by these standards.
The Directive defines a number of classifications for pressure equipment with related tables, based on the hazard presented (Group 1 or Group 2), maximum allowable pressure value PS and Volume (V) or Nominal Size (DN) (whichever is being used).
- Pressure vessels
- Heat exchangers
- Steam boilers and components
- Pressure gas cylinders
- Piping and pipelines
- Storage tanks
- Safety and pressure accessories (safety, relief valves, regulators, rupture disks, etc.)
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