ISO 17292-2015 石油、石化及相关工业用金属球阀.pdf

ISO 2015Metal ball valves for petroleum,petrochemical and allied industriesRobinets tournant sphrique mtalliques pour les industries du ptrole,de la ptrochimie et les industries connexesINTERNATIONAL STANDARDISO17292Second edition2015-11-15Reference numberISO 17292:2015(E)ISO 17292:2015(E)ii ISO 2015 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2015,Published in SwitzerlandAll rights reserved.Unless otherwise specified,no part of this publication may be reproduced or utilized otherwise in any form or by any means,electronic or mechanical,including photocopying,or posting on the internet or an intranet,without prior written permission.Permission can be requested from either ISO at the address below or ISOs member body in the country of the requester.ISO copyright officeCh.de Blandonnet 8 CP 401CH-1214 Vernier,Geneva,SwitzerlandTel.+41 22 749 01 11Fax+41 22 749 09 47copyrightiso.orgwww.iso.org ISO 17292:2015(E)Foreword.vIntroduction.vii1 Scope.12 Normative references.13Termsanddefinitions.34 Pressure/temperature ratings.44.1 Valve rating.44.2 Shell rating.44.3 Seat and seal rating.45 Design.55.1 Flow passageway.55.2 Body.55.2.1 Body wall thickness.55.2.2 Flanged ends.75.2.3 Butt-welding ends.75.2.4 Socket welding ends.85.2.5 Threaded ends.105.2.6 Body openings.105.2.7 Anti-static design.115.2.8 Anti-blow-out stem.115.2.9 Ball-stem construction.115.2.10 Ball construction.115.2.11 Operating means.115.2.12 Glands.125.2.13 End flange facing interruptions.125.2.14 Shell joints.135.2.15 Packing gland bolting.145.2.16 Fluid thermal expansion.146 Materials.156.1 Shell.156.2 Shell material repair.156.3 Trim.156.4 Identification plate.156.5 Bolting.156.6 Seals.156.7 Threaded plugs.156.8 Low temperature service.156.9 Hydrogen sulfide environment.157 Marking.167.1 Legibility.167.2 Body marking.167.3 Ring joint marking.167.4 Identification plate.167.5 Special marking for unidirectional valves.178 Testing and inspection.178.1 Pressure tests.178.1.1 General.178.1.2 Shell test.178.1.3 Closure tightness test.188.2 Inspection.198.2.1 Extent of inspection.19 ISO 2015 All rights reserved iiiContents Page ISO 17292:2015(E)8.2.2 Site inspection.198.3 Examination.198.4 Supplementary examination.199 Preparation for despatch.20Annex A(informative)Informationtobespecifiedbythepurchaser.21Annex B(informative)Identificationofvalveparts.23Bibliography.25iv ISO 2015 All rights reserved ISO 17292:2015(E)ForewordISO(the International Organization for Standardization)is a worldwide federation of national standards bodies(ISO member bodies).The work of 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,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.The procedures used to develop this document and those intended for its further maintenance are described in the ISO/IEC Directives,Part 1.In particular the different approval criteria needed for the different types of ISO documents should be noted.This document was drafted in accordance with the editorial rules of the ISO/IEC Directives,Part 2(see www.iso.org/directives).Attention 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.Details of any patent rights identified during the development of the document will be in the Introduction and/or on the ISO list of patent declarations received(see www.iso.org/patents).Any trade name used in this document is information given for the convenience of users and does not constitute an endorsement.For an explanation on the meaning of ISO specific terms and expressions related to conformity assessment,as well as information about ISOs adherence to the WTO principles in the Technical Barriers to Trade(TBT)see the following URL:Foreword-Supplementary informationThe committee responsible for this document is ISO/TC 153,Valves,Subcommittee SC 1,Design,manufacture,marking and testing.This second edition cancels and replaces the first edition(ISO 17292:2004),which has been technically revised with the following changes:scope increased to include DN 600,NPS 24,PN 63,and PN 100;Clause 2“Normative references”was updated;Class 800 no longer restricted to reduce bore only;inclusion of reference and purchaser option to request valves conforming to ISO 15156 or NACE MR0103;expanded seat materials to include modified PTFE and reinforced modified PTFE;in Table 1,inclusion of higher pressure temperature ratings that are more closely aligned with BS 5351 and account for improved performance attained from modified PTFE;separate listing for trunnion valves has been