1、STD.ASME B1b.20A-ENGL 2000 0759670 0617676 T37AN AMERICAN NATIONAL STANDARDASME B16.20a-2000ADDENDAtoASME B16.20-1998METALLIC GASKETS FOR PIPE FLANGESRing-Joint,Spiral-Wound,and JacketedTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSThree Park Avenue New York,NY 10016Not or ResaleSTD.ASME B1b.20A-ENGL
2、2000 0759670 0617677 973Date of Issuance:July 21.2000ASME is the registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria forAmerican National Standards.The Standards Committee that approved the code
3、or standardwas balanced to assure that individuals from competent and concerned interests have had anopportunity to participate.The proposed code or standard was made available for public reviewand comment that provides an opportunity for additional public input from industry,academia,regulatory age
4、ncies,and the public-at-largeASME does not approve,rate,or endorseany item,construction,proprietary deviceor activity.ASME does not take any position with respect to the validity of any patent rights asserted inconnection with any items mentioned in this document,and does not undertake to insure any
5、oneutilizing a standard against liability for infringement of any applicable letters patent,nor assumeany such liability.Users of a code or standard are expressly advised that determination of thevalidity of any such patent rights,and the risk of infringement of such rights,is entirely theirown resp
6、onsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not tobe interpreted as government or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued inaccordance with the established
7、 ASME procedures and policies,which precludes the issuanceof 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 publisherThe American Society of Mechanical EngineersThree Par
8、k Avenue.New York.NY 10016-5990Copyright2000byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.Not for ResaleSTD.ASME B1b.20A-EN6L20000759b70061767880TASME B16.20a-2000Following approval by the ASME B16 Committee and ASME,and after public review,ASME B16.20a-2000 was a
9、pproved by the American National Standards Institute on May 3.2000.Addenda to the 1998 edition of ASME B16.20 are issued in the form of replacement pages.Revisions.additions,and deletions are incorporated directly into the affected pages.It is advisable,however,that thispage,the Addenda title and co
10、pyright pages,and all replaced pages be retained for reference.SUMMARY OF CHANGESThis is the first Addenda to be published to ASME B16.20-1998.Replace or insert the pages listed.Changes given below are identified on the pages by a margin note,(a).placed next to the affected area.The pages not listed
11、 are the reverse sides of the listed pages and containno changesPageLocationChangeCommittee RosterUpdated to reflect AddendaxiContentsUpdated to reflect Addenda2.2.1Paragraph 3.2.5Revised20Table 12Notes(1)and(3)revised23Table 14General Note(c)and Notes(1)and(2)revised24Table 15(1)Title revised(2)General Notes added28Table 19Revised35Mandatory Annex IRevisedNot for ResaleSTD.AMEB16.20-ENGL197807596700b16931624ASME B16.20-1998(Revision of ASME B16.20-1993)METALLIC GASKETSFOR PIPE FLANGESRing-Joint,Spiral-Wound,and JacketedAN AMERICAN NATIONAL STANDARDThe American Society ofMechanical Engineers