TAIEX Poland, June 2004TAIEX Poland, June 2004

Comparison and Presumption of Comparison and Presumption of Conformity of some Conformity of some

standardisation systemsstandardisation systems

Ed HaynesEd HaynesCEN ConsultantCEN Consultant

Pressure EquipmentPressure Equipment

Scope and Content Scope and Content Introduction and links of PED to standardsIntroduction and links of PED to standards Achievements and developmentsAchievements and developments Some standards and Technical CommitteesSome standards and Technical Committees What about ASME and ASTM ?What about ASME and ASTM ? More about links of PED to standardsMore about links of PED to standards 3 questions … 3 questions … answersanswers?? Useful websitesUseful websites

Questions welcome any timeQuestions welcome any time

Overview: Standardisation Overview: Standardisation under New Approachunder New Approach

MandateMandate TC drafts standardTC drafts standard [I may assist][I may assist] Public enquiryPublic enquiry [I must comment][I must comment] TC considers comments TC considers comments [I must approve][I must approve] National Standards Bodies (NSBs) voteNational Standards Bodies (NSBs) vote CEN / CENELEC / ETSI ratify, advise ECCEN / CENELEC / ETSI ratify, advise EC EC publishes references in OJEC publishes references in OJ NSBs transpose and publish references.NSBs transpose and publish references.

Guide to implementation of Guide to implementation of New Approach DirectivesNew Approach Directives

According to the “Blue” Guide, According to the “Blue” Guide, Directive 98/34 states:Directive 98/34 states:

Compliance with CEN/ CENELEC/ ETSI Compliance with CEN/ CENELEC/ ETSI standards is not compulsorystandards is not compulsory

Conflicting national standards must Conflicting national standards must be withdrawnbe withdrawn

PED Recital 16PED Recital 16

“WHEREAS …to ease the task of demonstrating compliance with ESRs, standards harmonised at European level are useful…”

CEN, CENELEC

are recognised as competent to adopt harmonised standards that follow general guidelines…”

AchievementsAchievements Pressure Vessels EN 13445 series Pressure Vessels EN 13445 series Boilers EN 12952 and 12953 seriesBoilers EN 12952 and 12953 series Industrial pipework EN 13480 seriesIndustrial pipework EN 13480 series

Help desks for these product Help desks for these product standardsstandards

Materials standardsMaterials standards

DevelopmentsDevelopments

GRP tanks and vesselsGRP tanks and vessels aluminium pressure vesselsaluminium pressure vessels aluminium, copper and cast iron aluminium, copper and cast iron

materialsmaterials equipment for fuels (LPG) equipment for fuels (LPG) cryogenics, refrigeration systemscryogenics, refrigeration systems assembliesassemblies

A.S.M.E.A.S.M.E.Voluntary code with wide appealVoluntary code with wide appealMature and well-ordered Mature and well-ordered Useful in international companies which Useful in international companies which

transfer designs and equipment transfer designs and equipment Proven reliabilityProven reliabilityGenerally straightforward to useGenerally straightforward to useMandatory in most US JurisdictionsMandatory in most US Jurisdictions““GIA” ASME is not code stamped (NCS)GIA” ASME is not code stamped (NCS)

A Simplified Code Comparison A Simplified Code Comparison

FERRITIC FERRITIC STEELSSTEELS

EN 13445EN 13445 ASME VIIIASME VIII

Yield LimitYield Limit x 2/3x 2/3 x 2/3x 2/3

TensileTensile x 1/ 2.4x 1/ 2.4 X 1/ 3.5 (more X 1/ 3.5 (more conservative)conservative)

Materials issues: Materials issues: EN/ASME/ASTMEN/ASME/ASTM

PED Annex I clause 4.1 (a) emphasises ductility PED Annex I clause 4.1 (a) emphasises ductility and toughness, quantified in clause 7.5.and toughness, quantified in clause 7.5.

European materials have guaranteed European materials have guaranteed properties of strength [room (and elevated) properties of strength [room (and elevated) temperature], ductility and toughness temperature], ductility and toughness (transverse direction).(transverse direction).

American materials standards do not always American materials standards do not always state these properties and they are not state these properties and they are not guaranteed. Levels of C, S (and P) are not guaranteed. Levels of C, S (and P) are not consistent with good impact properties consistent with good impact properties expected in Europe.expected in Europe.

Scope and content - again Scope and content - again Introduction and links of PED to standardsIntroduction and links of PED to standards Achievements and developmentsAchievements and developments Some standards and Technical CommitteesSome standards and Technical Committees What about ASME and ASTM ?What about ASME and ASTM ? More about links of PED to standardsMore about links of PED to standards 3 questions 3 questions with answerswith answers Useful websitesUseful websites

Questions STILL welcomeQuestions STILL welcome

Pressure Equipment Pressure Equipment DirectiveDirective

Article 5 (2)Article 5 (2)““Pressure equipment and assemblies Pressure equipment and assemblies which conform to the national which conform to the national standards transposing the standards transposing the harmonised standards published in harmonised standards published in the OJ shall be presumed to conform the OJ shall be presumed to conform to the essential requirements…”to the essential requirements…”

DifferentiatorsDifferentiators Presumption of Conformity is one Presumption of Conformity is one major major

differentiatordifferentiator from use of European from use of European standardsstandards

Others includeOthers include Latest technical experienceLatest technical experience Breadth of background (Breadth of background (EU ExpansionEU Expansion)) Close partnership of material and design Close partnership of material and design

codescodes

Standards-makingStandards-makingStandards elaborating the PED Essential Standards elaborating the PED Essential

Safety Requirements are:Safety Requirements are: Precise using known and respected dataPrecise using known and respected data Allow flexibility but avoid compromise Allow flexibility but avoid compromise

through stating generalities through stating generalities Add valueAdd value Acceptable to the MandateAcceptable to the MandateThese standards are These standards are mademade for the Directive for the Directive

Foreword in standardsForeword in standardsStandards which are candidates for Standards which are candidates for

citation in the Official Journal state: citation in the Official Journal state:

““For relationship with EU Directive(s), For relationship with EU Directive(s), see informative Annex Z, which is an see informative Annex Z, which is an integral part of this document”integral part of this document”

PED Annex Z PED Annex Z ““Once this standard is cited in the OJ under Once this standard is cited in the OJ under

[the] Directive and [it] has been [the] Directive and [it] has been implemented as a national standard in at implemented as a national standard in at least one Member State, compliance with the least one Member State, compliance with the clauses of this standard given in Table ZA.1 clauses of this standard given in Table ZA.1 confers, within the limits of the scope of this confers, within the limits of the scope of this standard, a presumption of conformity with standard, a presumption of conformity with the corresponding Essential Requirements [of the corresponding Essential Requirements [of the] Directive and associated EFTA the] Directive and associated EFTA regulations.” regulations.”

Shell boilers EN 12953-3 Table Shell boilers EN 12953-3 Table ZA.1ZA.1(extract)(extract) Design & calculation for Design & calculation for

pressure partspressure partsEN 12953-3 EN 12953-3 clauseclause

ContentContent PED Annex IPED Annex I

5.1 to 5.75.1 to 5.7 Design generalDesign general 2.12.15.65.6 Hydrostatic test Hydrostatic test

pressurepressure7.47.4

5.75.7 WearWear 2.72.76.16.1 Operating Operating

tempstemps2.2.12.2.1

6.26.2 Allowable Allowable stressesstresses

7.1.27.1.2(etc(etc

Valves prEN 12516-1 Valves prEN 12516-1 Table ZA.1 Table ZA.1 (extract)(extract)

Shell design strength – tabulation Shell design strength – tabulation methodmethodprEN prEN

12516-1 12516-1 clauseclause

ESR titleESR title ESR ESR numbernumber

RemarksRemarks

1212 MarkingMarking 3.33.3 See also See also EN 19EN 19

55 MaterialsMaterials 4.1 4.1 aa RestrictioRestriction n proposedproposed

66 MaterialsMaterials 4.2 a4.2 a10.610.6 Joint Joint

coefficientcoefficientss

7.27.2(etc(etc

Cautionary preface on some Cautionary preface on some materials standards cited in OJ materials standards cited in OJ

((Guideline 7/1)Guideline 7/1)For the following harmonised supporting For the following harmonised supporting

standard for materials, presumption of standard for materials, presumption of conformity to the ESRs is limited to technical conformity to the ESRs is limited to technical data of materials in the standard and does not data of materials in the standard and does not presume adequacy of the material to a presume adequacy of the material to a specific equipment. Consequently the specific equipment. Consequently the technical data stated in the material standard technical data stated in the material standard should be assessed against the design should be assessed against the design requirements of the specific equipment to requirements of the specific equipment to verify that the ESRs of the PED are satisfied.verify that the ESRs of the PED are satisfied.

GuidelinesGuidelines Developed by Working Party GuidelinesDeveloped by Working Party Guidelines Approved by the Working Group “Pressure”Approved by the Working Group “Pressure” WGP chaired by Commission DG/ENTRWGP chaired by Commission DG/ENTR WGP includes Member States and EFTA, WGP includes Member States and EFTA,

technical advisors, applicant members, technical advisors, applicant members, Orgalime, CEN, Users and Notified Bodies. Orgalime, CEN, Users and Notified Bodies.

Guidelines are not legally binding, but are Guidelines are not legally binding, but are regarded very highly in most Member States regarded very highly in most Member States

Kept active when drafting standardsKept active when drafting standards

Approved Guidelines <200?Approved Guidelines <200?SCOPE & EXCLUSIONS (46)SCOPE & EXCLUSIONS (46)CLASSIFICATION AND CATEGORIES (30)CLASSIFICATION AND CATEGORIES (30)ASSEMBLIES (16)ASSEMBLIES (16)EVALUATION ASSESSMENT (9)EVALUATION ASSESSMENT (9)DESIGN (5), MANUFACTURING (12)DESIGN (5), MANUFACTURING (12)MATERIAL (24)MATERIAL (24)OTHER ESRs (15), MISCELLANEOUS (21), OTHER ESRs (15), MISCELLANEOUS (21),

HORIZONTAL ISSUES (7)HORIZONTAL ISSUES (7)

Question 1Question 1Can we use standards other than EN in Can we use standards other than EN in

pressure equipment?pressure equipment?

AnswerAnswerYES as long as the manufacturer meets the YES as long as the manufacturer meets the

essential safety requirements in the PED.essential safety requirements in the PED.[[Commercial considerations may apply ie. Commercial considerations may apply ie.

the overall cost may be greaterthe overall cost may be greater]]

Question 2Question 2How do I know that AD 2000, CODAP, How do I know that AD 2000, CODAP,

PD5500, ASME or other non-EN standard PD5500, ASME or other non-EN standard meets the Essential Safety Requirements?meets the Essential Safety Requirements?

AnswerAnswerYou do not know, unless the manufacturer:You do not know, unless the manufacturer: reviews his arrangements for complying reviews his arrangements for complying

with ESRs andwith ESRs and the Notified Body accepts this, where it is the Notified Body accepts this, where it is

involved in Conformity Assessment.involved in Conformity Assessment.

Question 3Question 3Does this mean that the manufacturer Does this mean that the manufacturer

takes on additional responsibility by takes on additional responsibility by not using EN? not using EN?

AnswerAnswerYES – other standards do not confer YES – other standards do not confer

Presumption of Conformity with the Presumption of Conformity with the ESRs. ESRs.

Useful websitesUseful websiteshttp://http://ped.eurodyn.comped.eurodyn.com- Text of Directive, Guidelines and links Text of Directive, Guidelines and links

to standards, notified bodies, JRC, etcto standards, notified bodies, JRC, etc

www.eotc.be/newapproachwww.eotc.be/newapproach “Blue” Guide “Blue” Guidehttp://www.newapproach.org/Directives/Default.http://www.newapproach.org/Directives/Default.aspasp

Directives and related standards Directives and related standards

Useful CEN addressesUseful CEN addresseswww.cenorm.bewww.cenorm.be

PE Standards Work ProgrammePE Standards Work Programmehttp://www.cenorm.be/cenorm/businessdomhttp://www.cenorm.be/cenorm/businessdomains/businessdomains/mechanicalengineerinains/businessdomains/mechanicalengineering/pressure/workprogramme.aspg/pressure/workprogramme.asp

Materials Work ProgrammeMaterials Work Programme

http://www.cenorm.be/cenorm/businessdomhttp://www.cenorm.be/cenorm/businessdomains/businessdomains/materials/workprograains/businessdomains/materials/workprogramme.aspmme.asp

ECISS Work ProgrammeECISS Work Programmehttp://www.cenorm.be/cenorm/aboutushttp://www.cenorm.be/cenorm/aboutus/structure+/relations/workprogrammee/structure+/relations/workprogrammeeciss.aspciss.asp

SummarySummaryPED permits use of any code meetingPED permits use of any code meeting Essential Safety RequirementsEssential Safety Requirements

Harmonised codes cited in OJ provide Harmonised codes cited in OJ provide Presumption of ConformityPresumption of Conformity Higher allowable stresses generallyHigher allowable stresses generally Latest thinkingLatest thinking

Annex Z is the key to using EN and Annex Z is the key to using EN and meeting ESRsmeeting ESRs