1、STD.ASME B1b.5A-EN6L19980759b700608491470AN AMERICAN NATIONAL STANDARDASME B16.5a-1998ADDENDAtoASME B16.5-1996PIPE FLANGES AND FLANGED FITTINGSNPS Through NPS 24THE AMERICAN SOCIETY OF MECHANICAL ENGINEERSThree Park Avenue.New York,NY 10016COPYRIGHT American Society of Mechanical EngineersLicensed b
2、y Information Handling ServicesSTD.ASME B16.5A-EN6L19980759b700b08492307Date of Issuance:October 26.1998ASME 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 Standa
3、rds.The Standards Committee that approved the code 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
4、 public input from industry.academia.regulatory agencies,and the public-at-large.ASME does not approve,rate,or endorseany item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted inconnection with any items mentioned
5、in this document,and does not undertake to insure anyoneutilizing a standard against liability for infringement of any applicable Letters Patent,nor assumesany such liability.Users of a code or standard are expressly advised that determination of thevalidity of any such patent rights,and the risk of
6、 infringement of such rights,is entirely theirown responsibility.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 iss
7、ued in accordance with governingASME procedures and policies which preclude the issuance of interpretations by individualvolunteers.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 Park Avenue.New York.NY 10016-5990Copyright 1998 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.COPYRIGHT American Society of Mechanical EngineersLicensed by Information Handling Services