6-47_2011.pdf

Large Diameter Steel FlangesNPS 26 Through NPS 60 Metric/Inch StandardAN AMERICAN NATIONAL STANDARDASME B16.47-2011(Revision of ASME B16.47-2006)-,-,-,-,-ASME B16.47-2011(Revision of ASME B16.47-2006)Large DiameterSteel FlangesNPS 26 Through NPS 60Metric/Inch StandardAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016 USA-,Date of Issuance:October 20,2011The next edition of this Standard is scheduled for publication in 2016.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,and will be published within the next edition of thestandard.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 assumes 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 2011 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.-,-,-CONTENTSForeword.vCommittee Roster.viCorrespondence With the B16 Committee.viiSummary of Changes.viii1Scope.12PressureTemperature Ratings.23Component Size:Nominal Pipe Size.34Marking.35Materials.36Dimensions.57Tolerances.68Pressure Testing.6Figures1Welding Ends(Welding Neck Flanges,No Backing Rings).72Welding Ends(Welding Neck Flanges With Backing Rings).83Welding Ends(Welding Neck Flanges).9Tables1List of Material Specifications.102List of Bolting Specifications(Applicable ASTM Specifications).123PressureTemperature Ratings for Group 1.1 Materials.134PressureTemperature Ratings for Group 1.2 Materials.145PressureTemperature Ratings for Group 1.3 Materials.156PressureTemperature Ratings for Group 1.4 Materials.167PressureTemperature Ratings for Group 1.5 Materials.178PressureTemperature Ratings for Group 1.7 Materials.189PressureTemperature Ratings for Group 1.9 Materials.1910PressureTemperature Ratings for Group 1.10 Materials.2011PressureTemperature Ratings for Group 1.11 Materials.2112PressureTemperature Ratings for Group 1.13 Materials.2213PressureTemperature Ratings for Group 1.14 Materials.2314PressureTemperature Ratings for Group 1.15 Materials.2415PressureTemperature Ratings for Group 1.17 Materials.2516PressureTemperature Ratings for Group 1.18 Materials.2617PressureTemperature Ratings for Group 2.1 Materials.2718PressureTemperature Ratings for Group 2.2 Materials.2819PressureTemperature Ratings for Group 2.3 Materials.2920PressureTemperature Ratings for Group 2.4 Materials.3021PressureTemperature Ratings for Group 2.5 Materials.3122PressureTemperature Ratings for Group 2.6 Materials.3223PressureTemperature Ratings for Group 2.7 Materials.3324PressureTemperature Ratings for Group 2.8 Materials.3425PressureTemperature Ratings for Group 2.9 Materials.3526PressureTemperature Ratings for Group 2.10 Materials.3627PressureTemperature Ratings for Group 2.11 Materials.3728PressureTemperature Ratings for Group 2.12 Materials.38iii-,-,-29Dimensions of Ring-Joint Facings.3930Permissible Imperfections in Flange Facing Finish.3931Dimensions of Class 150 Series A Flanges.4032Dimensions of Class 300 Series A Flanges.4133Dimensions of Class 400 Series A Flanges.4234Dimensions of Class 600 Series A Flanges.4335Dimensions of Class 900 Series A Flanges.4436Dimensio