1、ASME CODE FOR PRESSURE PIPING,B31AN AMERICAN NATIONAL STANDARDASME B31.5a-2004ADDENDAtoASME B31.5-2001REFRIGERATION PIPINGAND HEAT TRANSFERCOMPONENTSTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSThree Park Avenue O New York,NY 10016Copyrighted material licensed to Stanford University by Thomson Scient
2、ific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:May 30,2005Mandatory Date:November 30,2005This Addenda was approved by the American National Standards Instituteand designated ASME B31.5a-2004
3、 on November 8,2004ASME 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 AmericanNational Standards.The Standards Committee that approved the code or standard was balanced to assure
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8、es,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 1001
9、6-5990Copyright 2005 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted 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
10、when printed.SUMMARY OF CHANGESAddenda to ASME B31.5-2001 are issued in the form of replacement pages.Revisions,additions,ordeletions are incorporated directly into the affected pages.It is advisable,however,that all replaced pagesbe retained for reference.Replace or insert the pages listed.Changes
11、given below are identified on the pages by a margin note,A04,placed next to the affected area.Revisions introduced in ASME B31.5-2001 are indicated by(01).For thelisting below,the Page references the affected area.A margin note,A04,placed next to the heading indicatesLocation.Revisions are listed un
12、der Change.PageLocationChangevviiContentsUpdated to reflect Addenda14.2500In second paragraph,second sentence revised500.1Introductory paragraph added500.1.2Deleted500.1.3(b)Revised500.2Definition for refrigerant and refrigerantmixtures revisedTable 500.2Redesignated as Table 500.2.1 and revised ini
13、ts entiretyTable 500.2.2Added11,16,17Table 502.3.1(1)Under Carbon Steel Pipe and Tube,entriesadded for Spec.Nos.ASTM A 53 andAPI 5L(2)Under Seamless Copper and Copper AlloyPipe and Tube,first entry for Spec.No.ASTM B 280 revised and new secondentry added23504.3.1(b)(3)Figure reference revised31504.4
14、.2Figure reference revised33505.1.1Second paragraph revised48,49523.2.1Second sentence revised523.2.2(f)(2)Revised523.2.2(f)(5)Revised in its entirety523.2.2(f)(6)Added(c)Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University Use
15、r.No further reproduction or distribution is permitted.Uncontrolled when printed.PageLocationChange5153Table 523.1(1)Under Steel pipe,Specification for API 5Lcorrected by errata(2)Under Steel plate,Specifications forASTM A 570 and A 611 corrected byerrata to read ASTM A 1011 andA 1008,respectively(3
16、)Note(1)revised6164527.4Title and paragraph revised in its entiretyFig.527.3.6-AGeneral Note revised527.5Title and paragraph revised in its entirety528.2.4Revised(d)Copyrighted 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.Chapter IVDimensional Requirements(Contd)526.1Standard Piping Components.54526.2Nonstandard Piping Components.54526.3Threads.