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ASME BPVC Sect. VIII: Welded Joint Locations Categories

PED Guideline: (F) Manufacturing ESR

The PED Guidelines are not a legally binding interpretation of the PED. The legally binding text remains that of the Directive. However, the PED Guidelines represent a reference for ensuring consistent application of the PED.

PED Guideline F-10

Question:

  • If a manufacturer has a procedure for permanent joining approved by a notified body or other recognized third-party organization at one site (location), may that manufacturer use the same procedure at other sites for similar applications?
  • Answer

PED Guideline F-11

Question:

  • In the absence of harmonized standards, what approach is to be followed for the approval of permanent joining procedures?
  • Answer

PED Guideline F-12

Question:

  • In the context of approval of welding procedures and personnel, what is meant by “the third party must perform examinations and tests as set out in the appropriate harmonized standards or equivalent examinations and tests”?
  • Answer

PED Guideline F-13

Question:

  • For pressure equipment in categories III and IV, can Non-Destructive Testing personnel holding qualifications other than those satisfying criteria of the harmonised standards (e.g. EN ISO 9712:2012 Non-destructive testing — Qualification and certification of NDT personnel) be approved by Recognised Third Party Organisations (RTPO) notified by a member state?
  • Answer

PED Guideline F-14

Question:

  • Does any welding operation on a pressure bearing component have to require a qualification of the welding procedures and of the welders/welding operators?
  • Answer

PED Guideline F-15

Question:

  • Where approval of operating procedures for permanent joining is required by the PED and the approval is granted on the basis of a document other than a harmonized standard, should this approval explicitly mention the PED?
  • Answer

PED Guideline F-16

Question:

  • Do the essential safety requirements apply to temporary components used by the equipment manufacturer either during the manufacturing or for the proof test of a pressure equipment?
  • Answer

PED Guideline F-17

Question:

  • Is the manufacturer allowed to replace non permanent joining components (bolts, studs, nuts, washers, gaskets) at the end of the proof test without carrying out a new proof test?
  • Answer

PED Guideline F-19

Question:

  • The Essential Safety Requirements define in Annex I chapter 3.1.2 that the properties of welded joints shall meet the minimum properties specified for the materials to be joined unless other relevant property values are specifically taken into account by the design process. Do these requirements apply also for impact property values?
  • Answer
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