31-4_2012.pdf

Pipeline Transportation Systems for Liquids and SlurriesASME Code for Pressure Piping,B31AN AMERICAN NATIONAL STANDARDASME B31.4-2012Revision and Consolidation of ASMEB31.4-2009 and B31.11-2002(R2008)Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHSCopyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHSASME B31.4-2012Revision and Consolidation of ASMEB31.4-2009 and B31.11-2002(R2008)PipelineTransportationSystems for Liquidsand SlurriesASME Code for Pressure Piping,B31AN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016 USACopyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHSDate of Issuance:November 12,2012The next edition of this Code is scheduled for publication in 2015.This Code will become effective6 months after the Date of Issuance.There will be no addenda issued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of this Code.Interpretations,Code Cases,and errata are published on the ASME Web site under the CommitteePages at http:/cstools.asme.org/as they are issued.Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published items,or to correct typographical or grammatical errorsin codes and standards.Such errata shall be used on the date posted.The Committee Pages can be found at http:/cstools.asme.org/.There is an option available toautomatically receive an e-mail notification when errata are posted to a particular code or standard.ThisoptioncanbefoundontheappropriateCommitteePageafterselecting“Errata”inthe“PublicationInformation”section.ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria for American NationalStandards.The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate.The proposed code or standard was madeavailable forpublic review andcomment thatprovides an opportunityfor additional publicinput from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assumes any such liability.Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights,and the risk of infringement of such rights,isentirely their own responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2012 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASME No reproduction or networking permitted without license from IHSCONTENTSForeword.viCommittee Roster.viiiIntroduction.xiSummary of Changes.xivChapter IScope and Definitions400General Statements.1Figures400.1.1-1Diagram Showing Scope of ASME B31.4 Excluding Carbon DioxidePipeline Systems.2400.1.1-2Diagram Showing Scope of ASME B31.4 for Carbon Dioxide PipelineSystems.3400.1.1-3Diagram Showing Scope of ASME B31.4 for Slurry Pipeline Systems.4Chapter IIDesign401Loads.11402Calculation of Stresses.13403Criteria for Pipelines.18404Criteria for Fittings,Assemblies,and Other Components(Alternatively,Criteria for Components).26Figures404.3.3.1-1Reinforced Extruded Outlets.28404.3.4-1Welding Details for Openings With Complete Encirclement Types ofReinforcement.30404.3.4-2Welding Details for Openings With Localized Type Reinforcement.31404.3.4-3Welding Details for Openings Without Reinforcement Other Than Thatin Header and Branch Walls.32404.3.5-1Reinforcement of Branch Connections.34Tables402.1-1Flexibility Factor,k,and Stress Intensification Factor,i.14403.2.1-1Tabulation of Examples of Allowable Stresses for Reference Use inPiping Systems Within the Scope of This Code.20403.3.1-1Allow