1、AN AMERICAN NATIONAL STANDARD ASME B16.44-2012Revision of ASME B16.44-2002(R2007)Manually Operated Metallic Gas Valves for Use in Aboveground Piping Systems Up to 5 psiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without l
2、icense from IHS-,-,-Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-ASME B16.44-2012Revision of ASME B16.44-2002(R2007)Manually OperatedMetallic Gas Valves forUse in AbovegroundPiping SystemsUp to
3、 5 psiAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016 USACopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-Date of Issuance:November 19,2012The next edition of this Standard is sche
4、duled for publication in 2017.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.Casesand interpretations are published on the ASME Web site under the Committee Page
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13、 2012 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking permitted without license from IHS-,-,-CONTENTSForeword.ivCommittee Roster.vCorrespondence With the
14、 B16 Committee.vi1Scope.12General Construction and Assembly.13Materials.24Marking.45Design Qualifications.46Manufacturing and Production Tests.7Figure1Test Device.6Tables1Flare Fitting Dimensions.22Materials for Valve Bodies,Plugs,Bonnets,Unions,and Other ExternalParts Excluding Handles.33Operating
15、Torque Values.44Minimum Flow Capacity.55Installation Torque.56Impact Load.57Static Load for Bending Test.6Mandatory AppendixIReferences.9Nonmandatory AppendixAQuality System Program.11iiiCopyright ASME International Provided by IHS under license with ASME Not for ResaleNo reproduction or networking
16、permitted without license from IHS-,-,-FOREWORDThe B16 Standards Committee was organized in the spring of 1920 and held its organizationalmeeting on November 21st of that year.The group operated as a sectional Committee(laterredesignated as a Standards Committee),under the authorization of the American EngineeringStandards Committee subsequently named American Standards Association(ASA),then theUnited Statesof America StandardsInstitute,and now,the American NationalStandards Institute(ANSI).Spon