ISO-20826-2006.pdf
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1、 Reference number ISO 20826:2006(E) ISO 2006 INTERNATIONAL STANDARD ISO 20826 First edition 2006-08-15 Automotive LPG components Containers Composants pour vhicules au GPL Rservoirs Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technica
2、l Standards 1/9972545001 Not for Resale, 04/06/2007 23:12:05 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 20826:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but sha
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5、ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electron
6、ic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org
7、Web www.iso.org Published in Switzerland ii ISO 2006 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/06/2007 23:12:05 MDTNo reproduction or networking permitted witho
8、ut license from IHS -,-,- ISO 20826:2006(E) ISO 2006 All rights reserved iii Contents Page Foreword iv 1 Scope 1 2 Normative references1 3 Terms and definitions .2 4 Symbols and abbreviated terms 3 5 Technical requirements 4 5.1 General provisions 4 5.2 Dimensions.4 5.3 Materials .5 5.4 Design tempe
9、rature.5 5.5 Design pressure.5 6 Construction and workmanship.5 6.1 General requirements5 6.2 Heat Treatment.5 6.3 Tolerances6 6.4 Openings 6 6.5 Accessories6 7 Test Programme.6 7.1 General6 7.2 Test programme for metal containers.7 7.3 Test programme for all-composite containers .8 7.4 Tests to be
10、performed after design changes9 8 Marking.10 9 Periodic inspection and re-qualification .10 9.1 Periodic inspection10 9.2 Re-qualification10 Annex A (normative) Test methods.13 Annex B (informative) Example of calculations of the pressure-retaining parts of containers28 Annex C (informative) Welding
11、 guidelines .34 Annex D (normative) Tolerance on position of plate or ring38 Annex E (normative) Location of test samples for metal containers 39 Annex F (normative) Test sample for mechanical tests on metal containers 42 Annex G (normative) Material test methods for all-composite containers.43 Anne
12、x H (informative) Example of toric containers.45 Annex I (informative) Example of requirements for performance verification .46 Bibliography52 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale
13、, 04/06/2007 23:12:05 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO 20826:2006(E) iv ISO 2006 All rights reserved Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of
14、preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental,
15、 in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main t
16、ask of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attent
17、ion is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 20826 was prepared by Technical Committee ISO/TC 22, Road vehicles. Copyright International Organizatio
18、n for Standardization Provided by IHS under license with ISO Licensee=NASA Technical Standards 1/9972545001 Not for Resale, 04/06/2007 23:12:05 MDTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 20826:2006(E) ISO 2006 All rights reserved 1 Automotive
19、 LPG components Containers 1 Scope This International Standard specifies the technical requirements for the design and the testing of automotive Liquefied Petroleum Gas (LPG) containers, to be permanently attached to a motor vehicle which uses automotive LPG as a fuel. The technical requirements cov
20、er the design criteria, the requirements on construction and workmanship, the marking and re-qualification procedures. This International Standard also covers all tests, including their frequencies, to be carried out on autogas containers, during production and performance verification. Specific rec
21、ommendations are also given on the tests to be carried out when changing the design. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of t
22、he referenced document (including any amendments) applies. ISO 175, Plastics Methods of test for the determination of the effects of immersion in liquid chemicals ISO 306, Plastics Thermoplastic materials Determination of Vicat softening temperature (VST) ISO 2504, Radiography of welds and viewing c
23、onditions for films Utilization of recommended patterns of image quality indicators (I.Q.I.) ISO 2768-1:1989, General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications ISO 4136, Destructive tests on welds in metallic materials Transverse tensile
24、 test ISO 5173, Destructive tests on welds in metallic materials Bend tests ISO 6507-1:1997, Metallic materials Vickers hardness test Part 1: Test method ISO 6721 (all parts), Plastics Determination of dynamic mechanical properties ISO 6892, Metallic materials Tensile testing at ambient temperature
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