31-5_2010_w_Vol-8_Interps.pdf

AN AMERICAN NATIO NAL STANDARDASME B31.5-2010(Revision of ASME B31.5-2006)Refrigeration Piping and Heat Transfer ComponentsASME Code for Pressure Piping,B31Copyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.INTENTIONALLY LEFT BLANKCopyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME B31.5-2010(Revision of ASME B31.5-2006)RefrigerationPiping andHeat TransferComponentsASME Code for Pressure Piping,B31AN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016 USACopyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:July 21,2010The next edition of this Code is scheduled for publication in 2013.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.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 2010 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2010 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.vCommittee Roster.viIntroduction.ixSummary of Changes.xiChapter IScope and Definitions.1500General Statements.1Chapter IIDesign.8Part 1Conditions and Criteria.8501Design Conditions.8502Design Criteria.9Part 2Design of Piping Components.24503Criteria for Design of Piping Components.24504Pressure Design of Piping Components.24Part 3Design Application of Piping Components Selection and Limitations.33505Pipe.33506Fittings,Bends,and Intersections.34507Valves.34508Flanges,Blanks,Flange Facings,Gaskets,and Bolting.35Part 4Selection and Limitations of Piping Joints.35510Piping Joints.35511Welded Joints.35512Flanged Joints.36513Expanded Joints.36514Threaded Joints.36515Flared,Flareless,and Compression Joints.36517Brazed and Soldered Joints.37518Sleeve Coupled and Other Novel or Patented Joints.37Part 5Expansion,Flexibility,Structural Attachments,Supports,and Restraint