1、June 2012 Translation by DIN-Sprachendienst.English price group 37No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 2
2、3.040.99!$|vh“1898369www.din.deDDIN EN 14917Metal bellows expansion joints for pressure applications (includesAmendment A1:2012)English translation of DIN EN 14917:2012-06Kompensatoren mit metallischen Blgen fr Druckanwendungen (enthlt nderungA1:2012)Englische bersetzung von DIN EN 14917:2012-06Comp
3、ensateurs de dilatation soufflets mtalliques pour appareils pression(Amendement A1:2012 inclus)Traduction anglaise de DIN EN 14917:2012-06SupersedesDIN EN 14917:2009-07 andDIN EN 14917 Corrigendum1:2011-07www.beuth.deDocument comprises 208 pagesIn case of doubt, the German-language original shall be
4、 considered authoritative.06.12 DIN EN 14917:2012-06 2 A comma is used as the decimal marker. National foreword This standard has been prepared by CEN/TC 342 “Metal hoses, hose assemblies, bellows and expansion joints” (Secretariat: SNV, Switzerland). The responsible German body involved in its prep
5、aration was the Normenausschuss Rohrleitungen und Dampfkesselanlagen (Piping and Boiler Plant Standards Committee), Working Committee NA 082-00-01 AA Schlauchleitungen und Kompensatoren aus Metall. Amendments This standard differs from DIN EN 14917:2009-07 and DIN EN 14917 Corrigendum 1:2011-07 as f
6、ollows: a) Corrigendum 1 has been incorporated; b) normative references have been updated; c) a number of equations and figures has been deleted or updated; d) k3 factors have been deleted; e) Subclause 6.2.3.4.2.1 has been completely revised; f) Table 6.3.2.2-2 has been deleted; g) further tables h
7、ave been included in Annex J; h) Annex ZA has been revised; i) the Bibliography has been updated; j) the standard has been editorially revised. Previous editions DIN EN 14917: 2009-07 DIN EN 14917 Corrigendum 1: 2011-07 EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14917:2009+A1 March 2012 IC
8、S 23.040.99 Supersedes EN 14917:2009English Version Metal bellows expansion joints for pressure applications Compensateurs de dilatation soufflets mtalliques pour appareils pression Kompensatoren mit metallischen Blgen fr Druckanwendungen This European Standard was approved by CEN on 6 September 200
9、8 and includes Amendment 1 approved by CEN on 10 January 2012. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical ref
10、erences concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a C
11、EN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, I
12、celand, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Cen
13、tre: Avenue Marnix 17, B-1000 Brussels 2012 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 14917:2009+A1:2012: EEN 14917:2009+A1:2012 (E) 2 Contents Page Foreword 5Introduction .61 Scope 72 Normative references 73 Terms and defini
14、tions 104 Classification . 114.1 Classification of expansion joints . 114.1.1 Axial . 114.1.2 Angular 114.1.3 Lateral 114.1.4 Universal 114.2 Classification of the parts of expansion joints 164.2.1 !Main pressure-bearing parts (A)“ . 164.2.2 Pressure parts other than main pressure-bearing parts (B)
15、164.2.3 Attachments to main pressure-bearing parts and to pressure parts (C) 164.2.4 Other parts (D) . 165 Materials 185.1 General . 185.1.1 Materials for pressure-bearing parts 185.1.2 Materials for parts attached to pressure-bearing parts 185.1.3 !Materials for non-pressure parts“ 185.1.4 Document
16、ation 185.2 Pressure-bearing parts 185.2.1 Bellows 185.2.2 Other pressure-bearing parts 195.2.3 Ductility 195.2.4 Brittle fracture . 195.3 Material documentation . 206 Design 246.1 General . 246.1.1 Symbols and general factors . 246.1.2 Basic design criteria . 316.1.3 Additional loadings. 326.2 Bell
17、ows 336.2.1 Purpose 336.2.2 Conditions of applicability . 336.2.3 U-shaped unreinforced bellows 386.2.3.1 General . 386.2.4 U-shaped reinforced bellows . 536.2.5 Toroidal bellows 616.2.6 Specific design fatigue curves 696.2.7 Axial, lateral or angular displacement of bellows . 696.2.8 Equivalent axi
18、al displacement per corrugation . 756.2.9 Forces and moments on pressurised expansion joints . 806.2.10 Torsion acting on bellows (unreinforced or reinforced). 916.3 Hardware 916.3.1 General . 916.3.2 Design parameters 926.3.3 Design temperature 966.3.4 Parts . 966.4 Internal sleeve . 986.4.1 Scope
19、. 986.4.2 Additional symbols . 98DIN EN 14917:2012-06 EN 14917:2009+A1:2012 (E) 3 6.4.3 Flow velocity 986.4.4 Design rules . 1007 Manufacturing 1027.1 General . 1027.2 Materials . 1027.2.1 General . 1027.2.2 Material traceability . 1027.3 Permanent joints . 1027.3.1 General . 1027.3.2 Process and pe
20、rsonal . 1027.3.3 Repair and rework during manufacturing . 1037.4 Forming of the bellows . 1037.4.1 Forming processes . 1037.4.2 Heat treatment . 1047.5 Tolerances 1047.5.1 General . 1047.5.2 Bellows . 1047.5.3 Expansion joint 1057.6 Production tests 1068 Testing, inspection and documentation . 1068
21、.1 Abbreviations . 1068.2 General . 1068.3 !Documents“ 1068.4 In-process inspection and testing . 1078.4.1 General . 1078.4.2 Materials . 1078.4.3 Permanent joints . 1078.4.4 Non-destructive testing of welds . 1098.5 NDT methods . 1148.5.1 General . 1148.5.2 Acceptance criteria . 1158.5.3 Personnel
22、qualification and approval . 1158.5.4 Reports . 1158.6 Final assessment and documentation 1188.6.1 General . 1188.6.2 Final inspection . 1188.7 Documentation 1208.7.1 Final documentation package 1208.7.2 Declaration/certification 1218.7.3 Operating instructions 1219 Marking and labelling 12110 Handl
23、ing and installation 12310.1 General instructions 12310.2 Packaging and storage . 12310.3 Installation 12310.4 Unrestrained expansion joints . 12410.5 Restrained expansions joints 124Annex A (informative) Categories of expansion joints . 125Annex B (normative) Specification for materials 1.4828, 1.4
24、876, 2.4360 and 2.4858 . 136Annex C (informative) Incorporation of expansion joints into pressure vessels and piping . 141Annex D (informative) Calculation methods for systems of pipes containing expansion joints . 160Annex E (informative) Overview of the design of expansion bellows . 177Annex F (in
25、formative) Procedure for setting-up a design fatigue curve . 182Annex G (informative) Polynomial approximations for coefficients Cp, Cf, Cd191DIN EN 14917:2012-06 EN 14917:2009+A1:2012 (E) 4 Annex H (informative) Required design data and information 194Annex I (informative) Expansion joints risk ana
26、lyses 195Annex J (informative) Material properties and material groups 197Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 97/23/EC . 203Bibliography . 205DIN EN 14917:2012-06 EN 14917:2009+A1:2012 (E) 5 Foreword This document (EN 1491
27、7:2009+A1:2012) has been prepared by Technical Committee CEN/TC 342, “Metal hoses, hose assemblies, bellows and expansion joints“, the secretariat of which is held by !SNV“. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endo
28、rsement, at the latest by September 2012, and conflicting national standards shall be with-drawn at the latest by September 2012. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for
29、 identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of the EU Directive 97/23/EC. For relationship with EU Directive 97/23/EC, see informative
30、Annex ZA, which is an integral part of this document. This document includes Amendment 1, approved by CEN on 2012-01-08. This document supersedes EN 14917:2009. The start and finish of text introduced or altered by amendment is indicated in the text by tags ! “. According to the CEN/CENELEC Internal
31、 Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembour
32、g, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. DIN EN 14917:2012-06 EN 14917:2009+A1:2012 (E) 6 Introduction Metal bellows expansion joints are used as components in piping or as parts of pressure vessels. If an ex
33、pansion joint is designed and manufactured according to this European Standard, the risk analysis is already undertaken, see Annex I. DIN EN 14917:2012-06 EN 14917:2009+A1:2012 (E) 7 1 Scope This European Standard specifies the requirements for design, manufacture and installation of metal bellows e
34、xpansion joints for pressure applications, i.e. maximum allowable pressure greater than 0,5 bar. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated refer-ences, only the edition cited applies. For undated references, the latest
35、 edition of the referenced document (including any amendments) applies. EN 287-1, Qualification test of welders Fusion welding Part 1: Steels EN 473, Non destructive testing Qualification and certification of NDT personnel General principles EN 571-1, Non destructive testing Penetrant testing Part 1
36、: General principles EN 764-4, Pressure equipment Part 4: Establishment of technical delivery conditions for metallic materials EN 764-5:2002, Pressure equipment Part 5: Compliance and inspection documentation of materials EN 970, Non-destructive examination of fusion welds Visual examination EN 109
37、2-1, Flanges and their joints Circular flanges for pipes, valves, fittings and accessories, PN desig-nated Part 1: Steel flanges EN 1289:1998, Non-destructive examination of welds Penetrant testing of welds Acceptance levels EN 1290, Non-destructive examination of welds Magnetic particle examination
38、 of welds EN 1291:1998, Non-destructive examination of welds Magnetic particle testing of welds Acceptance levels EN 1418, Welding personnel Approval testing of welding operators for fusion welding and resistance weld setters for fully mechanized and automatic welding of metallic materials EN 1435:1
39、997, Non-destructive examination of welds Radiographic examination of welded joints EN 1593, Non-destructive testing Leak testing Bubble emission techniques EN 1712:1997, Non-destructive examination of welds Ultrasonic examination of welded joints Accep-tance levels EN 1713, Non-destructive examinat
40、ion of welds Ultrasonic examination Characterization of indications in welds EN 1714:1997, Non-destructive examination of welds Ultrasonic examination of welded joints EN 1779:1999, Non-destructive testing Leak testing Criteria for method and technique selection EN 10002-1, Metallic materials Tensil
41、e testing Part 1: Method of test at ambient temperature EN 10002-5, Metallic materials Tensile testing Part 5: Method of testing at elevated temperature EN 10028-1, Flat products made of steels for pressure purposes Part 1: General requirements !EN 10028-2:2009“, Flat products made of steels for pre
42、ssure purposes Part 2: Non-alloy and alloy steels with specified elevated temperature properties DIN EN 14917:2012-06 EN 14917:2009+A1:2012 (E) 8 !EN 10028-3:2009“, Flat products made of steels for pressure purposes Part 3: Weldable fine grain steels, normalized EN 10028-4, Flat products made of ste
43、els for pressure purposes Part 4: Nickel alloy steels with specified low temperature properties EN 10028-7:2007, Flat products made of steels for pressure purposes Part 7: Stainless steels EN 10045-1, Metallic materials Charpy impact test Part 1: Test method EN 10204:2004, Metallic products Types of
44、 inspection documents EN 10216-1, Seamless steel tubes for pressure purposes Technical delivery conditions Part 1: Non-alloy steel tubes with specified room temperature properties EN 10216-2, Seamless steel tubes for pressure purposes Technical delivery conditions Part 2: Non-alloy and alloy steel t
45、ubes with specified elevated temperature properties EN 10216-3, Seamless steel tubes for pressure purposes Technical delivery conditions Part 3: Alloy fine grain steel tubes EN 10216-4, Seamless steel tubes for pressure purposes Technical delivery conditions Part 4: Non-alloy and alloy steel tubes w
46、ith specified low temperature properties EN 10217-1, Welded steel tubes for pressure purposes Technical delivery conditions Part 1: Non-alloy steel tubes with specified room temperature properties EN 10217-2, Welded steel tubes for pressure purposes Technical delivery conditions Part 2: Electric wel
47、ded non-alloy and alloy steel tubes with specified elevated temperature properties EN 10217-3, Welded steel tubes for pressure purposes Technical delivery conditions Part 3: Alloy fine grain steel tubes EN 10217-4, Welded steel tubes for pressure purposes Technical delivery conditions Part 4: Electric welded non-alloy s
