6-36_2009.pdf

Orifice FlangesAN AMERICAN NATIO NAL STANDARDASME B16.36-2009(Revision of ASME B16.36-2006)Copyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME B16.36-2009(Revision of ASME B16.36-2006)Orifice FlangesAN AMERICAN NATIONAL STANDARDCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:November 4,2009The next edition of this Standard is scheduled for publication in 2014.There will be no addendaissued to this edition.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisStandard.Interpretations and errata are published on the ASME Web site under the Committee Pagesat http:/cstools.asme.org as they are issued.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 forpublic review andcomment thatprovides an opportunityfor additional publicinput 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 anyitems 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 EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2009 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the B16 Committee.vi1Scope.12General.13PressureTemperature Ratings.14Material.15Size.26Marking.27Flange Facing Finish.28Gaskets for Raised Face Flanges.29Pressure Taps.210Jack Screw Provision.211Flange Dimensions.312Flange Threads.313Tolerances.3Figures1Corner Taps.92Angular Meter Tap for RTJ Flanges.93Jack Bolts.9Tables1Class 300 Orifice Flanges,Welding Neck,Threaded,and Slip-On.42Class 600 Orifice Flanges,Welding Neck.53Class 900 Orifice Flanges,Welding Neck.64Class 1500 Orifice Flanges,Welding Neck.75Class 2500 Orifice Flanges,Welding Neck.8Mandatory AppendicesIDimensional Data for Classes 300,600,900,1500,and 2500 Flanges inU.S.Customary Units.11IIDimensional Data for Class 400 Flanges in U.S.Customary Units.17IIIReferences.19Nonmandatory AppendixAQuality System Program.20iiiCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDAugust of 1956 marked the first recorded correspondence noting the lack of standardizationfor orifice flanges.There were,and still are,several codes for the performance and calibrationof orifice flanges,but there had been no standardization of the flanges themselves.Over theensuing 3 years,co