1、STD.ASME B.16.34A-ENGL19980759b700606B82207AN AMERICAN NATIONAL STANDARDASME B16.34a-1998ADDENDAtoASME B16.34-1996VALVES-FLANGED,THREADED,AND WELDING ENDTHE AMERICAN SOCIEIY OF MECHANICAL ENGINEERSThree Park Avenue New York,NY 10016Copyright by the American Society Of Mechanical EngineersSTD.ASME B1
2、6.34A-ENGL 1998 0759670 0L0L883 143Date of Issuance:November 2,1998ASME is tho registered trademark of The American Society of Mechanical Engineers.This code or standard was developed under procedures accredited as meeting the criteria forAmerican National Standarde.The Standards Committee that appr
3、oved 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 which provides an opportunity for additional public input from industry,academia
4、,regulatory agencies,and the public-at-large.ASME does notapprove.rate,orendorseany item,construction,proprietary dovico,or activity.ASME does not take any position with respect to the validity ot any patent rights asserted inconnection with any items mentioned in this document,and dous not undertak
5、e to insure anyoneutilizing a standard against liability for infringement of any applicablo Lottore Patont,nor assumesany such liability.Users of a code or standard are expressly advised that determination of thevaiidity of any such patent rights,and the risk of infringement of such rights,is entire
6、ly theirown responsibility.Participation by federal agency representativele)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 issued in accordance with governingASME p
7、rocedures 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 publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright1998byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll Rights ReservedPrinted in U.S.A.
