# The Pressure Equipment Regulations 1999 (revoked) S.I. 1999/2001 · made 15 July 1999 · revised to 31 December 2020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Introductory text HEALTH AND SAFETY Made 15th July 1999 Laid before Parliament 19th July 1999 Coming into force regulations 1, 2, 20 and 22 31st August 1999 remaining regulations 29th November 1999 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part I: PRELIMINARY ## 1 Citation and commencement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Interpretation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part II: APPLICATION ## 3 Pressure equipment and assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Excluded pressure equipment and assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Pressure equipment and assemblies placed on the market before 29th November 1999 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Exclusion until 30th May 2002 of pressure equipment and assemblies complying with provisions in force on 28th November 1999 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part III: GENERAL REQUIREMENTS ## 7 General duty relating to the placing on the market or putting into service of pressure equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 8 General duty relating to the placing on the market or putting into service of assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 9 Requirement for pressure equipment or assemblies to comply with sound engineering practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 10 General duty relating to the supply of pressure equipment and assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 11 Exceptions to placing on the market or supply in respect of certain pressure equipment and assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 12 Classification of pressure equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 13 Conformity assessment procedures for pressure equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 14 Conformity assessment procedure for assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 15 Exclusion for pressure equipment and assemblies for use for experimentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 16 CE marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 17 European approval for materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 18 Notified bodies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 19 Recognised third-party organisations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 20 Notified bodies and recognised third-party organisations appointed by the Secretary of State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 21 Fees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 22 User inspectorates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 23 Conditions for pressure equipment and assemblies being taken to conform with the provisions of these Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Part IV: ENFORCEMENT ## 24 Application of Schedule 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 25 Offences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 26 Penalties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 27 Defence of due diligence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 28 Liability of persons other than the principal offender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 29 Consequential amendments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Signature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 1: EXCLUDED PRESSURE EQUIPMENT AND ASSEMBLIES ## 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 12 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 19 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 21 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 2: (Annex I to the Pressure Equipment Directive) ### Part: PRELIMINARY OBSERVATIONS ## 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1.2 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1.3 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.1 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.2 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.3 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.4 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.5 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.6 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.7 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.8 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.9 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.10 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.11 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2.12 DESIGN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 MANUFACTURING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3.1 MANUFACTURING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3.2 MANUFACTURING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3.3 MANUFACTURING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3.4 MANUFACTURING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 MATERIALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4.1 MATERIALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4.2 MATERIALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4.3 MATERIALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## SPECIFIC PRESSURE EQUIPMENT REQUIREMENTS In addition to the applicable requirements of sections 1 to 4, the following requirements apply to the pressure equipment covered by sections 5 and 6. ## 5 FIRED OR OTHERWISE HEATED PRESSURE EQUIPMENT WITH A RISK OF OVERHEATING AS REFERRED TO IN ARTICLE 3(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 PIPING AS REFERRED TO IN ARTICLE 3, SECTION 1.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 SPECIFIC QUANTITATIVE REQUIREMENTS FOR CERTAIN PRESSURE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7.1 SPECIFIC QUANTITATIVE REQUIREMENTS FOR CERTAIN PRESSURE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7.2 SPECIFIC QUANTITATIVE REQUIREMENTS FOR CERTAIN PRESSURE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7.3 SPECIFIC QUANTITATIVE REQUIREMENTS FOR CERTAIN PRESSURE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7.4 SPECIFIC QUANTITATIVE REQUIREMENTS FOR CERTAIN PRESSURE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7.5 SPECIFIC QUANTITATIVE REQUIREMENTS FOR CERTAIN PRESSURE EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 3 (Annex II to the Pressure Equipment Directive) Table 1 Vessels referred to in Article 3, Section 1.1(a), first indent Exceptionally, vessels intended to contain an unstable gas and falling within categories I or II on the basis of Table 1 must be classified in category III. Table 2 Vessels referred to in Article 3, Section 1.1(a), second indent Exceptionally, portable extinguishers and bottles for breathing equipment must be classified at least in category III Table 3 Vessels referred to in Article 3, Section 1.1(b), first indent Table 4 Vessels referred to in Article 3, Section 1.1(b), second indent Exceptionally, assemblies intended for generating warm water as referred to in Article 3, Section 2.3, must be subject either to an EC design examination (Module B1) with respect to their conformity with the essential requirements referred to in Sections 2.10, 2.11, 3.4, 5(a) and 5(d) of Annex I, or to full quality assurance (Module H). Table 5 Pressure equipment referred to in Article 3, Section 1.2 Exceptionally, the design of pressure-cookers must be subject to a conformity assessment procedure equivalent to at least one of the category III modules. Table 6 Piping referred to in Article 3, Section 1.3(a), first indent Exceptionally, piping intended for unstable gases and falling within categories I or II on the basis of Table 6 must be classified in category III. Table 7 Piping referred to in Article 3, Section 1.3(a), second indent Exceptionally, all piping containing fluids at a temperature greater than 350°C and falling within category II on the basis of Table 7 must be classified in category III. Table 8 Piping referred to in Article 3, Section 1.3(b), first indent Table 9 Piping referred to in Article 3, Section 1.3(b), second indent ## 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 4 (Annex III to the Pressure Equipment Directive) The obligations arising from the provisions on pressure equipment in this Annex also apply to assemblies. ## 1 Module A (internal production control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module A (internal production control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module A (internal production control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module A (internal production control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module A (internal production control) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 8 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 9 Module B (EC type-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 8 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 9 Module B1 (EC design-examination) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module C1 (conformity to type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module C1 (conformity to type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module C1 (conformity to type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module C1 (conformity to type) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module D (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module D (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module D (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module D (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module D (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Module D (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module D1 (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module D1 (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module D1 (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module D1 (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module D1 (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Module D1 (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 Module D1 (production quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module E (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module E (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module E (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module E (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module E (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Module E (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module E1 (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module E1 (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module E1 (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module E1 (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module E1 (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Module E1 (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 Module E1 (product quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module F (product verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module F (product verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module F (product verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module F (product verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module G (EC unit verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module G (EC unit verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module G (EC unit verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module G (EC unit verification) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module H (full quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module H (full quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Module H (full quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Module H (full quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Module H (full quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Module H (full quality assurance) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 1 Module H1 (full quality assurance with design examination and special surveillance of the final assessment) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 Module H1 (full quality assurance with design examination and special surveillance of the final assessment) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 5: (Annex VI to the Pressure Equipment Directive) ## 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 6 (Annex VII to the Pressure Equipment Directive) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 7: EUROPEAN APPROVAL FOR MATERIALS ## 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Schedule 8: ENFORCEMENT ## 1 Enforcement in Great Britain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 3 Enforcement in Northern Ireland in relation to pressure equipment or assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 4 Forfeiture of pressure equipment or assemblies for private use or consumption: England and Wales and Northern Ireland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 5 Forfeiture of pressure equipment or assemblies for private use or consumption: Scotland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 6 Duty of enforcement authority to inform Secretary of State of action taken . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 7 Savings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## 8 Interpretation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ## Explanatory note . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . --- Source: https://www.legislation.gov.uk/uksi/1999/2001 (the official version) Page: https://openlegislation.uk/pressure-equipment-regulations-1999-revoked Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.