ASMEB16.34-2017 (Revision of ASME B16.34-2013) Valves - Flanged. Threaded, and Welding End AN AMERICAN NATIONAL STANDARD The American Society of ? MechanicalEngineers see=SHENZHEN ACAD EMY OF STANDARDIZATION 9972181 nationa Nsal42 ewithASME No reproduction o networking permited withou license from IHs ASME B16.34-2017 (Revision of ASME B16.34-2013) Valves Flanged Threaded, and Welding End AN AMERICAN NATIONAL STANDARD H The American Society of m Mechanical Engineers Two Park Avenue · New York, NY · 10016 USA nationa Nofor Resale,2017/NO/1C1 05:34:02 ewithASME No reproduction or networking permitted without license from IHS Date of Issuance: August 23, 2017 The next edition of this Standard is scheduled for publication in 2020. ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Periodically certain actions of the ASME B16 Committee may be published as Cases. Cases and interpretations are published on the ASME Web site Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to provide corrections to incorrectly published items, or to correct typographical or grammatical errors in codes and standards. Such errata shall be used on the date posted. The Committee Pages can be found at http://cstools.asme.org/. There is an option available to automatically receive an e-mail notification when errata are posted to a particular code or standard. This option can be found on the appropriate Committee Page after selecting "Errata" in the “"Publication Information" section. 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 National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an for additional public input 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 any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expressly advised that determination of the validity of anysuch patent rights, andthe risk of infringement of such rights, is entirely their own responsibility. Participation by federal agency representative(s) or person(s) affliated with industry is not to be interpreted as government or industry endorsement of this code or standard. AsME accepts responsibilityfor onlythose interpretations of this document issued in accordance withthe established AsMEprocedures 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 Engineers Two Park Avenue, New York, NY 10016-5990 Copyright @ 2017 by THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS All rights reserved Printed in U.S.A. Y OF STANDARDIZATION 9972181 Not for Resale, 2017/10/11 05:34:02 No reproduction or networking permitted without license from IHS