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BS EN 14140-2014

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BS EN 14140-2014

BSI Standards Publication BS EN 141402014 LPG equipment and accessories Transportable refillable welded steel cylinders for LPG Alternative design and construction Incorporating corrigendum May 2015BS EN 141402014 BRITISH STANDARD National foreword The UK participation in its preparation was entrusted to Technical Committee PVE/19, LPG containers and their associated fittings. A list of organizations represented on this committee can be obtained on request to its secretary. 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 2015 ISBN 978 0 580 90220 8 ICS 23.020.30 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 December 2014. Amendments/corrigenda issued since publication Date Text affected 30 June 2015 Implementation of CEN corrigendum May 2015. Subclause 5.3.1 modified. This British Standard is the UK implementation of EN 141402014 incorporating corrigendum May 2015. It supersedes BS EN 141402003 which is withdrawn.BS EN 141402014EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 14140 December 2014 ICS 23.020.30 English Version LPG equipment and accessories - Transportable refillable welded steel cylinders for LPG - Alternative design and construction quipements pour GPL et leurs accessoires - Bouteilles en acier soud transportables et rechargeables pour gaz de ptrole liqufi GPL - Autres solutions en matire de conception et construction Flssiggas-Gerte und Ausrstungsteile - Ortsbewegliche, wiederbefllbare, geschweite Flaschen aus Stahl fr Flssiggas LPG - Alternative Gestaltung und Konstruktion This European Standard was approved by CEN on 9 August 2014. 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 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 CEN 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, 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 United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 141402014 E Incorporating corrigendum May 2015BS EN 141402014 EN 141402014 E 2 Contents Page Foreword 4 Introduction .5 1 Scope 6 2 Normative references 6 3 Terms, definitions and symbols .7 3.1 Terms and definitions .7 3.2 Symbols 9 4 Materials .9 5 Design 10 5.1 General requirements . 10 5.2 Calculation of cylindrical shell wall thickness 11 5.3 Design of torispherical and semi-ellipsoidal ends concave to pressure 11 5.4 Ends of other shapes . 15 5.5 Minimum wall thickness . 15 5.6 Design of openings. 15 5.7 Valve protection 16 5.8 Non-pressure containing attachments welded to the cylinder 16 5.9 Resistance against external corrosion . 16 5.10 Over-moulded cylinders . 16 5.11 Hot air balloon cylinders 17 6 Construction and workmanship 17 6.1 General . 17 6.2 Environment 17 6.3 Welding qualification 17 6.4 Plates and pressed parts . 18 6.5 Welded joints . 18 6.6 Tolerances . 19 6.6.1 Out-of-roundness 19 6.6.2 Straightness 19 6.6.3 Verticality . 19 6.7 Closure of openings . 20 6.8 Heat treatment . 20 7 Tests and examinations . 20 7.1 General . 20 7.2 Types of test and evaluation of test results . 21 7.3 Test specimens and related tests and examinations 22 7.3.1 All cylinders . 22 7.3.2 Two-piece cylinders . 22 7.3.3 Three-piece cylinders . 23 7.3.4 Bung welds 24 7.3.5 Tensile test 24 7.3.6 Bend test 25 7.3.7 Resistance to external corrosion 28 7.4 NDT . 31 7.4.1 Radiographic examination . 31 7.4.2 Macro examination . 33 BS EN 141402014 EN 141402014 E 3 7.4.3 Visual examination of the surface of the weld . 33 7.5 Prototype and production batch testing . 33 7.5.1 Burst test under pressure. 33 7.5.2 Fatigue test 34 7.5.3 Cylinder body integrity impact tests not required for hot air balloon cylinders 35 7.5.4 Drop tests all cylinders except hot air balloon cylinders . 39 7.5.5 Drop tests hot air balloon cylinders only . 40 8 Technical requirements for type approval 41 8.1 General . 41 8.2 Extent of testing 41 8.3 Design type variations 42 8.3.1 General . 42 8.3.2 Two piece cylinders 42 8.3.3 Three piece cylinders 42 9 Initial inspection and tests . 43 9.1 Tests and examinations applicable to all cylinders . 43 9.2 Radiographic examination 43 9.3 Macro examination 44 9.4 Examination of bung welding 44 9.5 Examination of welding of non-pressure containing attachments 44 9.5.1 Macro examinations 44 9.5.2 Weld penetration requirement . 44 9.6 Unacceptable imperfections in radiographic or macro examination . 44 9.7 Production pressure test 44 9.7.1 Procedure . 44 9.7.2 Requirements . 45 9.8 Production batch testing Mechanical / Burst tests . 45 9.8.1 Production batch . 45 9.8.2 Inspection lots . 45 9.8.3 Rate of sampling 45 9.8.4 Verification of conformance with type approval 47 9.9 Failure to meet mechanical and burst test requirements . 48 9.9.1 General . 48 9.9.2 Mechanical . 48 9.9.3 Burst . 48 9.9.4 Production batch retest 48 9.9.5 Resubmission of production batch . 48 9.9.6 Additional checks 49 9.10 Production adhesion test for over-moulded cylinders 49 9.11 Production water absorption test for over-moulded cylinders 49 10 Marking . 50 11 Documentation 51 12 Certification 51 Annex A normative Additional manufacturers markings . 52 Annex B informative Over-moulded cylinder . 53 Annex C informative Hot Air Balloon Cylinders 55 C.1 Description . 55 Annex D informative Environmental checklist. 57 Bibliography 59 BS EN 141402014 EN 141402014 E 4 Foreword This document EN 141402014 has been prepared by Technical Committee CEN/TC 286 “Liquefied petroleum gas equipment and accessories“, the secretariat of which is held by NSAI. 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 June 2015 and conflicting national standards shall be withdrawn at the latest by June 2015. 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 identifying any or all such patent rights. This document supersedes EN 141402003A12006. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association. This European Standard has been submitted for reference into − the RID [11]; and − the technical annexes of the ADR [12]. NOTE These regulations take precedence over any clause of this European Standard. It is emphasised that RID/ADR/ADN are being revised regularly at intervals of two years which may lead to temporary non-compliances with the clauses of this European Standard. The major changes to this revision include − restructure of standard; − the addition of requirements for hot air balloon cylinders; − an update on the terminology; − the addition of requirements for over-moulded cylinders; − the addition of the environmental checklist, Annex D. 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 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 United Kingdom. BS EN 141402014 EN 141402014 E 5 Introduction This European Standard calls for the use of substances and procedures that may be injurious to health and/or the environment if adequate precautions are not taken. It refers only to technical suitability it does not absolve the user from their legal obligations at any stage. It has been assumed in the drafting of this European Standard that the execution of its provisions is entrusted to appropriately qualified and experienced people. This European Standard permits the use of new and higher strength steels and has the potential for cylinders to have a wall thickness thinner than the minimum wall thickness related to diameter, when compared with cylinders in accordance with EN 1442. These changes in technology are justified by requiring a series of performance tests, including impact testing, to demonstrate the adequacy of the calculated pressure thickness for service and transport considerations Reference should also be made to EN 1439 and EN 1440, which requires the cylinder manufacturer to perform additional tests to determine the rejection limits for in-service damage and to include these limits in the documentation for the cylinder. Protection of the environment is a key political issue in Europe and elsewhere around the world. Protection of the environment in this document is understood in a very broad sense. The phrase is used, for example, in relation to the total life-cycle aspects of a product on the environment, including expenditure of energy, and during all phases of its existence, from mining of raw materials, to fabrication, packaging, distribution, use, scrapping, recycling of materials, etc. Annex D comprises an environmental checklist which highlights the clauses of this European Standard that address environmental aspects. It is recommended that manufacturers develop an environmental management policy. For guidance see EN ISO 14000 series, [6], [7] and [8]]. Provisions need to be restricted to a general guidance. Limit values are specified in national laws. All pressures are gauged unless otherwise stated. NOTE This European Standard requires measurement of material properties, dimensions and pressures. All such measurements are subject to a degree of uncertainty due to tolerances in measuring equipment etc. It may be beneficial to refer to the leaflet “measurement uncertainty leaflet“ SP INFO 2000 27 [14]. BS EN 141402014 EN 141402014 E 6 1 Scope This European Standard specifies the minimum requirements for the design, construction and testing during manufacture of transportable refillable welded steel Liquefied Petroleum Gas LPG cylinders, of water capacity from 0,5 l up to and including 150 l, exposed to temperatures of -20 C to 65 C. It allows alternative design and construction methods to those required in EN 1442, including coated cylinders, over-moulded cylinders and cylinders for hot air balloons. This European Standard applies only to pressure receptacles with a circular cross-section. This European Standard does not include the equipping of the cylinders with valves and other service equipment. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document including any amendments applies. EN 1439, LPG equipment and accessories - Procedure for checking LPG cylinders before, during and after filling EN 10028-7, Flat products made of steels for pressure purposes - Part 7 Stainless steels EN 10120, Steel sheet and strip for welded gas cylinders EN 102042004, Metallic products - Types of inspection documents EN 10272, Stainless steel bars for pressure purposes EN 14717, Welding and allied processes - Environmental check list EN 14894, LPG equipment and accessories - Cylinder and drum marking EN ISO 643, Steels - Micrographic determination of the apparent grain size ISO 643 EN ISO 24092013, Paints and varnishes - Cross-cut test ISO 24092013 EN ISO 2812-2, Paints and varnishes - Determination of resistance to liquids - Part 2 Water immersion method ISO 2812-2 EN ISO 32311997, Paints and varnishes - Determination of resistance to humid atmospheres containing sulfur dioxide ISO 32311993 EN ISO 4136, Destructive tests on welds in metallic materials - Transverse tensile test ISO 4136 EN ISO 4624, Paints and varnishes - Pull-off test for adhesion ISO 4624 EN ISO 5173, Destructive tests on welds in metallic materials - Bend tests ISO 5173 EN ISO 6520-1, Welding and allied processes - Classification of geometric imperfections in metallic materials - Part 1 Fusion welding ISO 6520-1 EN ISO 6892-1, Metallic materials - Tensile testing - Part 1 Method of test at room temperature ISO 6892-1 EN ISO 9227, Corrosion tests in artificial atmospheres - Salt spray tests ISO 9227 BS EN 141402014 EN 141402014 E 7 EN ISO 9606-1, Qualification testing of welders - Fusion welding - Part 1 Steels ISO 9606-1 EN ISO 97122012, Non-destructive testing - Qualification and certification of NDT personnel ISO 97122012 EN ISO 111172008, Gas cylinders - Valve protection caps and valve guards - Design, construction and tests ISO 111172008 EN ISO 11997-2, Paints and varnishes - Determination of resistance to cyclic corrosion conditions - Part 2 Wet salt fog/dry/humidity/UV light ISO 11997-2 EN ISO 14732, Welding personnel - Qualification testing of welding operators and weld setters for mechanized and automatic welding of metallic materials ISO 14732 EN ISO 15609-1, Specification and qualification of welding procedures for metallic materials - Welding procedure specification - Part 1 Arc welding ISO 15609-1 EN ISO 15613, Specification and qualification of welding procedures for metallic materials - Qualification based on pre-production welding test ISO 15613 EN ISO 15614-1, Specification and qualification of welding procedures for metallic materials - Welding procedure test - Part 1 Arc and gas welding of steels and arc welding of nickel and nickel alloys ISO 15614- 1 EN ISO 17636-12013, Non-destructive testing of welds - Radiographic testing - Part 1 X- an

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