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    EN 15776-2011 en Unfired pressure vessels - Requirements for the design and fabrication of pressure vessels and pressure parts constructed from cast iron with an elongation after f.pdf

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    EN 15776-2011 en Unfired pressure vessels - Requirements for the design and fabrication of pressure vessels and pressure parts constructed from cast iron with an elongation after f.pdf

    1、BSI Standards PublicationBS EN 15776:2011+A1:2015Incorporating corrigendum November 2015BS EN 15776:2011Unfired pressure vessels Requirements for the designand fabrication of pressurevessels and pressure partsconstructed from cast iron withan elongation after fractureequal or less than 15 %BS EN 157

    2、76:2011+A1:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 15776:2011+A1:2015. It supersedes BS EN 15776:2011 which is withdrawn.The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to CEN

    3、 text carry the number of the CEN amendment. For example, text altered by CEN amendment A1 is indicated by .The UK participation in its preparation was entrusted to Technical Committee PVE/1, Pressure Vessels.A list of organizations represented on this committee can be obtained on request to its sec

    4、retary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2015. Published by BSI Standards Limited 2015ISBN 978 0 580 86315 8ICS 23.020.30Compliance with a British Standard cann

    5、ot confer immunity from legal obligations.This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2011.Amendments/corrigenda issued since publicationDate Text affected30 November 2015 Implementation of CEN amendment A1:201530 November 2015 I

    6、mplementation of CEN correction notice 28 October 2015: Note 2 to entry added to subclause 3.1.1EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 15776:2011+A1 October 2015 ICS 23.020.30 Supersedes EN 15776:2011English Version Unfired pressure vessels - Requirements for the design and fabrication

    7、 of pressure vessels and pressure parts constructed from cast iron with an elongation after fracture equal or less than 15 % Rcipients sous pression non soumis la flamme - Exigences supplmentaires pour la conception et la fabrication des rcipients sous pression et des parties sous pression mouls en

    8、fonte allongement, aprs rupture, infrieur ou gal 15 % Unbefeuerte Druckbehlter - Anforderungen an die Konstruktion und Herstellung von Druckbehltern und Druckbehlterteilen aus Gusseisen mit einer Bruchdehnung von 15 % oder weniger This European Standard was approved by CEN on 1 January 2011 and incl

    9、udes Amendment 1 approved by CEN on 24 August 2015. 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 references con

    10、cerning 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 CEN member i

    11、nto 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, Former Yugoslav Republic of Macedonia, France,

    12、 Germany, Greece, Hungary, Iceland, 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 KOMIT

    13、EE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15776:2011+A1:2015 EEN 15776:2011+A1:2015 (E) 2 Contents Page European foreword . 4 Introduction 5

    14、1 Scope 6 2 Normative references 6 3 Terms, definitions, units and symbols. 7 3.1 Terms and definitions . 7 3.2 Symbols . 9 3.3 Inter relation of thicknesses definitions (!EN 13445-6:2014“) . 11 4 Materials, limitations and service conditions 11 4.1 Materials and limitations on temperature, maximum

    15、allowable pressure and energy content . 11 4.2 Cyclic loading . 13 5 Design requirements 14 5.1 Design principle 14 5.2 Conceptual design and construction drawings . 14 5.3 Static loading . 14 5.3.1 General . 14 5.3.2 Design by formula (DBF) . 14 5.3.3 Design by analysis (DBA). 15 5.3.4 Design by ex

    16、periment (DBE) 15 5.4 Temperature reduction factor 16 5.5 Wall thickness reduction factor 16 5.6 Design for external pressure . 16 5.7 Testing conditions . 17 5.8 Design methods 17 5.8.1 General . 17 5.8.2 Static loading . 17 5.8.3 Dynamic loading . 19 5.9 Construction details 24 5.9.1 Reinforcement

    17、 of openings in cylinders, flat ends, dished ends, etc. 24 5.9.2 Fillet radius 24 5.9.3 Dished cover 24 5.10 Technical documentation 24 5.10.1 General . 24 5.10.2 Information to be contained in the technical documentation . 24 5.10.3 Test reports 26 5.10.4 Technical/manufacturing schedule 26 5.10.5

    18、Design review 26 6 Founding, material and casting testing 27 6.1 Founding 27 6.1.1 General . 27 6.1.2 Welding 27 6.2 Material testing . 27 BS EN 15776:2011+A1:2015EN 15776:2011+A1:2015 (E)EN 15776:2011+A1:2015 (E) 2 Contents Page European foreword . 4 Introduction 5 1 Scope 6 2 Normative references

    19、6 3 Terms, definitions, units and symbols. 7 3.1 Terms and definitions . 7 3.2 Symbols . 9 3.3 Inter relation of thicknesses definitions (!EN 13445-6:2014“) . 11 4 Materials, limitations and service conditions 11 4.1 Materials and limitations on temperature, maximum allowable pressure and energy con

    20、tent . 11 4.2 Cyclic loading . 13 5 Design requirements 14 5.1 Design principle 14 5.2 Conceptual design and construction drawings . 14 5.3 Static loading . 14 5.3.1 General . 14 5.3.2 Design by formula (DBF) . 14 5.3.3 Design by analysis (DBA). 15 5.3.4 Design by experiment (DBE) 15 5.4 Temperature

    21、 reduction factor 16 5.5 Wall thickness reduction factor 16 5.6 Design for external pressure . 16 5.7 Testing conditions . 17 5.8 Design methods 17 5.8.1 General . 17 5.8.2 Static loading . 17 5.8.3 Dynamic loading . 19 5.9 Construction details 24 5.9.1 Reinforcement of openings in cylinders, flat e

    22、nds, dished ends, etc. 24 5.9.2 Fillet radius 24 5.9.3 Dished cover 24 5.10 Technical documentation 24 5.10.1 General . 24 5.10.2 Information to be contained in the technical documentation . 24 5.10.3 Test reports 26 5.10.4 Technical/manufacturing schedule 26 5.10.5 Design review 26 6 Founding, mate

    23、rial and casting testing 27 6.1 Founding 27 6.1.1 General . 27 6.1.2 Welding 27 6.2 Material testing . 27 EN 15776:2011+A1:2015 (E) 3 6.2.1 General . 27 6.2.2 Frequency and number of tests . 27 6.2.3 Inspection documents . 28 6.3 Casting testing 28 6.3.1 General . 28 6.3.2 Surface imperfections . 28

    24、 6.3.3 Cracks, laps, cold shot and non-fused chaplets 28 6.3.4 Ultrasonic testing and/or sectioning . 29 6.3.5 Liquid penetrant testing 29 6.3.6 Surface roughness 29 6.3.7 Minimum wall thickness 29 6.3.8 Wall thickness tolerances 29 6.3.9 Other dimensions . 29 6.3.10 Qualification of testing personn

    25、el 29 7 Final assessment . 30 7.1 General . 30 7.2 Hydraulic test pressure 30 8 Pressure vessels assembled of a combination of parts in different materials . 30 9 Marking and documentation 30 9.1 Marking of castings 30 9.2 Name plate for the complete pressure vessel 30 9.3 Documentation 31 Annex A (

    26、normative) Technical data for design calculations 32 Annex B (informative) Recommendations for in-service validation and inspection . 35 B.1 Purpose 35 B.2 Tests during operation . 35 Annex C (informative) Examples of fatigue design curves. 36 Annex ZA (informative) Relationship between this Europea

    27、n Standard and the Essential Requirements of EU Directive 97/23/EC . 39 Bibliography . 40 BS EN 15776:2011+A1:2015EN 15776:2011+A1:2015 (E)EN 15776:2011+A1:2015 (E) 4 European foreword This document (EN 15776:2011+A1:2015) has been prepared by Technical Committee CEN/TC 54 “Unfired pressure vessels”

    28、, the secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2016, and conflicting national standards shall be withdrawn at the latest by April 2016. Attention

    29、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 identifying any or all such patent rights. This document supersede EN 15776:2011. This document includes Amendment 1 approved by CEN on 201

    30、5-08-24. The start and finish of text introduced or altered by amendment is indicated in the text by tags !“. 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 EU Directive(s). For r

    31、elationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croati

    32、a, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

    33、 United Kingdom. BS EN 15776:2011+A1:2015EN 15776:2011+A1:2015 (E)EN 15776:2011+A1:2015 (E) 4 European foreword This document (EN 15776:2011+A1:2015) has been prepared by Technical Committee CEN/TC 54 “Unfired pressure vessels”, the secretariat of which is held by BSI. This European Standard shall b

    34、e given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by April 2016, and conflicting national standards shall be withdrawn at the latest by April 2016. Attention is drawn to the possibility that some of the elements of this document ma

    35、y be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This document supersede EN 15776:2011. This document includes Amendment 1 approved by CEN on 2015-08-24. The start and finish of text introduced or altered by amendment

    36、is indicated in the text by tags !“. 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 EU Directive(s). For relationship with EU Directive(s), see informative Annex ZA, which is an i

    37、ntegral part of this document. According to the CEN-CENELEC Internal 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, Former Yugoslav Rep

    38、ublic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. EN 15776:2011+A1:2015 (E) 5 Introduction !This standard

    39、is a stand-alone document and may be used for pressure equipment with certain restrictions and limitations. NOTE For the design and fabrication of cast iron pressure equipment standards with higher elongations and ductility, see EN 13445-6:2014.“ Attention is drawn to the references to !EN 13445-6:2

    40、014“for design and fabrication according to specific grades of material standards !EN 1563:2011“and !EN 13835:2012“which are found in some clauses of this standard, EN 15776. Requirements for the design, material, manufacturing and testing of pressure vessels and pressure vessel parts made from ferr

    41、itic or austenitic spheroidal graphite cast iron grades with an elongation after fracture higher than 15 % are given in !EN 13445-6:2014“. Cast iron with elongation after fracture equal or less than 15 % may only be used for pressure equipment when operational and technical advantages are dictating

    42、its use instead of the cast iron grades given in !EN 13445-6:2014“with elongation after fracture higher than 15 %. BS EN 15776:2011+A1:2015EN 15776:2011+A1:2015 (E)EN 15776:2011+A1:2015 (E) 6 1 Scope This European Standard specifies requirements for the design, material, manufacturing and testing of

    43、 pressure vessels and pressure vessel parts made from materials for which details are specified from the following material standards for specific grades which meet the criterion of an elongation after fracture less than or equal to 15 %: !EN 1561:2011“, Founding Grey cast irons; !EN 1563:2011“, Fou

    44、nding Spheroidal graphite cast irons; !EN 13835:2012“, Founding Austenitic cast irons. The allowed content of the vessel or pressure part is a fluid of group 2 only, according to the Directive 97/23/EC. 2 Normative references The following referenced documents are indispensable for the application o

    45、f this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. !EN 764-5:2014, Pressure equipment Part 5: Inspection documentation of metallic materials and compliance with the material

    46、specification“ !EN 1370:2011, Founding Examination of surface condition“ !EN 1371-1:2011, Founding Liquid penetrant testing Part 1: Sand, gravity die and low pressure die castings“ !EN 1559-1:2011“, Founding Technical conditions of delivery Part 1: General !EN 1559-3:2011“, Founding Technical condit

    47、ions of delivery Part 3: Additional requirements for iron castings !EN 1561:2011“, Founding Grey cast irons !EN 1563:2011“, Founding Spheroidal graphite cast irons !EN 12680-3:2011, Founding Ultrasonic testing Part 3: Spheroidal graphite cast iron castings“ !EN 13445-3:2014“, Unfired pressure vessel

    48、s Part 3: Design !EN 13445-5:2014“, Unfired pressure vessels Part 5: Inspection and testing !EN 13445-6:2014“, Unfired pressure vessels Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron !EN 13835:2012“, Founding

    49、Austenitic cast irons !EN ISO 8062-3:2007“, Geometrical Product Specifications (GPS) Dimensional and geometrical tolerances for moulded parts Part 3: General dimensional and geometrical tolerances and machining allowances for castings (ISO 8062-3:2007) BS EN 15776:2011+A1:2015EN 15776:2011+A1:2015 (E)EN 15776:2011+A1:2015 (E) 6 1 Scope This European Standard specifies requirements for the design, material, manufacturing and testing of pressure vessels and pressure vessel parts made from materials for which detail


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