Click here to load reader

Valves — Flanged, Threaded, and Welding End

  • View
    233

  • Download
    1

Embed Size (px)

Text of Valves — Flanged, Threaded, and Welding End

  • Valves Flanged, Threaded, and Welding End

    A N A M E R I C A N N A T I O N A L S T A N D A R D

    ASME B16.34-2013(Revision of ASME B16.34-2009)

  • ASME B16.34-2013(Revision of ASME B16.34-2009)

    Valves Flanged,Threaded, andWelding End

    A N A M E R I C A N N A T I O N A L S T A N D A R D

    Two Park Avenue New York, NY 10016 USA

  • Date of Issuance: March 29, 2013

    The next edition of this Standard is scheduled for publication in 2015.

    ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard. Periodically certain actions of the ASME B16 Committee may be published as Cases.Cases and interpretations are published on the ASME Web site under the Committee Pages athttp://cstools.asme.org/ as they are issued.

    Errata to codes and standards may be posted on the ASME Web site under the Committee Pages toprovide corrections to incorrectly published items, or to correct typographical or grammatical errorsin 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 toautomatically 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 PublicationInformation 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 NationalStandards. The Standards Committee that approved the code or standard was balanced to assure that individuals fromcompetent and concerned interests have had an opportunity to participate. The proposed code or standard was madeavailable for public review and comment that provides an opportunity 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 forinfringement of any applicable letters patent, nor assume any such liability. Users of a code or standard are expresslyadvised that determination of the validity of any such patent rights, and the risk of infringement of such rights, isentirely their own responsibility.

    Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.

    ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures 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 EngineersTwo Park Avenue, New York, NY 10016-5990

    Copyright 2013 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERS

    All rights reservedPrinted in U.S.A.

  • CONTENTS

    Foreword . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vCommittee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viiiCorrespondence With the B16 Committee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ixIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xSummary of Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi

    1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

    2 PressureTemperature Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

    3 Nominal Pipe Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

    4 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

    5 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

    6 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

    7 Pressure Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

    8 Requirements for Special Class Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

    Figures1 Method of Designating Location of Auxiliary Connections When Specified . . . . . . . . 142 Butterfly Valve Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153 Thread Length for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164 Bosses for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165 Socket Welding for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166 Butt Welding for Auxiliary Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177 Gate Body (Pressure Seal Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178 Y Pattern Globe Body (Pressure Seal Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189 Angle Body (Pressure Seal Bonnet): Bonnet Same as Y Pattern Globe . . . . . . . . . . . . . . 1810 Elbow Down (Pressure Seal Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1911 Gate Body (Flanged Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1912 Globe Body (Flanged Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2013 Butterfly Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2014 Plug Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2115 Conduit Gate Body (Pressure Seal Bonnet) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2116 Dished Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2217 Flat Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

    Tables1 Material Specification List: Applicable ASTM Specification . . . . . . . . . . . . . . . . . . . . . . . . 232 PressureTemperature Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283A Valve Body Minimum Wall Thickness, tm, mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 953B Valve Body Minimum Wall Thickness, tm, in. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 984 Minimum Wall Thickness for Socket Welding and Threaded Ends . . . . . . . . . . . . . . . . . 101

    Mandatory AppendicesI Radiography Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . . . . . 103II Magnetic Particle Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . 105III Liquid Penetrant Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . 106IV Ultrasonic Examination: Procedure and Acceptance Standards . . . . . . . . . . . . . . . . . . . . . 107V Requirements for Limited Class Valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108VI Basis Equations for Minimum Wall Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

    iii

  • VII PressureTemperature Ratings: U.S. Customary Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113VIII References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

    Nonmandatory AppendicesA Relationship Between Nominal Pipe Size and Inside Diameter . . . . . . . . . . . . . . . . . . . . 182B Method Used for Establishing PressureTemperature Ratings . . . . . . . . . . . . . . . . . . . . . . 184C Quality System Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

    iv