- accreditation
means accreditation as defined in point 10 of Article 2 of Regulation (EC) No 765/2008;
- assemblies
means several pieces of pressure equipment assembled by a manufacturer to constitute an integrated and functional whole;
- authorised representative
means any natural or legal person established within the Union who has received a written mandate from a manufacturer to act on his behalf in relation to specified tasks;
- conformity assessment
means the process demonstrating whether the essential safety requirements of this Directive relating to pressure equipment or assemblies have been fulfilled;
- conformity assessment body
means a body that performs conformity assessment activities including calibration, testing, certification and inspection;
- crisis-relevant goods
means crisis-relevant goods as defined in Article 3, point (6), of Regulation (EU) 2024/2747 of the European Parliament and of the Council;
- distributor
means any natural or legal person in the supply chain, other than the manufacturer or the importer, who makes pressure equipment or assemblies available on the market;
- economic operators
means the manufacturer, the authorised representative, the importer and the distributor;
- European approval for materials
means a technical document defining the characteristics of materials intended for repeated use in the manufacture of pressure equipment which are not covered by any harmonised standard;
- fluids
means gases, liquids and vapours in pure phase as well as mixtures thereof;
- harmonised standard
means harmonised standard as defined in point (c) of Article 2(1) of Regulation (EU) No 1025/2012;
- importer
means any natural or legal person established within the Union who places pressure equipment or assemblies from a third country on the Union market;
- internal market emergency mode
means internal market emergency mode as defined in Article 3, point (3), of Regulation (EU) 2024/2747.
- making available on the market
means any supply of pressure equipment or assemblies for distribution or use on the Union market in the course of a commercial activity, whether in return for payment or free of charge;
- manufacturer
means any natural or legal person who manufactures pressure equipment or an assembly or has such equipment or assembly designed or manufactured, and markets that pressure equipment or assembly under his name or trademark or uses it for his own purposes;
- maximum allowable pressure PS
means the maximum pressure for which the equipment is designed, as specified by the manufacturer, and defined at a location specified by him, being either the connection of protective and/or limiting devices, or the top of equipment or, if not appropriate, any point specified;
- maximum/minimum allowable temperature TS
means the maximum/minimum temperatures for which the equipment is designed, as specified by the manufacturer;
- national accreditation body
means national accreditation body as defined in point 11 of Article 2 of Regulation (EC) No 765/2008;
- nominal size (DN)
means a numerical designation of size which is common to all components in a piping system other than components indicated by outside diameters or by thread size;
- permanent joints
means joints which cannot be disconnected except by destructive methods;
- piping
means piping components intended for the transport of fluids, when connected together for integration into a pressure system;
- placing on the market
means the first making available of pressure equipment or assemblies on the Union market;
- pressure
means pressure relative to atmospheric pressure, i.e. gauge pressure.
- pressure accessories
means devices with an operational function and having pressure-bearing housings;
- pressure equipment
means vessels, piping, safety accessories and pressure accessories, including, where applicable, elements attached to pressurised parts, such as flanges, nozzles, couplings, supports, lifting lugs;
- putting into service
means the first use of pressure equipment or an assembly by its user;
- recall
means any measure aimed at achieving the return of pressure equipment or assemblies that have already been made available to consumers or other users;
- safety accessories
means devices designed to protect pressure equipment against the allowable limits being exceeded, including devices for direct pressure limitation, such as safety valves, bursting disc safety devices, buckling rods, controlled safety pressure relief systems (CSPRS), and limiting devices, which either activate the means for correction or provide for shutdown or shutdown and lockout, such as pressure switches or temperature switches or fluid level switches and safety related measurement control and regulation (SRMCR) devices;
- technical specification
means a document that prescribes technical requirements to be fulfilled by pressure equipment or assemblies;
- Union harmonisation legislation
means any Union legislation harmonising the conditions for the marketing of products;
- vessel
means a housing designed and built to contain fluids under pressure including its direct attachments up to the coupling point connecting it to other equipment;
- volume (V)
means the internal volume of a chamber, including the volume of nozzles to the first connection or weld and excluding the volume of permanent internal parts;
- withdrawal
means any measure aimed at preventing pressure equipment or assemblies in the supply chain from being made available on the market;