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16-5_Edtn_2009.pdf

1、AN AMERICAN NATIO NAL STANDARDASME B16.5-2009(Revision of ASME B16.5-2003)Pipe Flanges andFlanged FittingsNPS 1/2 Through NPS 24 Metric/Inch StandardCopyright 2009 by the American Society of Mechanical Engineers.No reproduction may be made of this material without written consent of ASME.cCopyrighte

2、d 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 B16.5-2009(Revision of ASME B16.5-2003)Pipe Flanges andFlanged FittingsNPS12Through NPS 24Metri

3、c/Inch StandardAN 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

4、University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:June 30,2009The next edition of this Standard is scheduled for publication in 2012.There will be no addendaissued to this edition.ASME issues written replies to inquiries concerning interp

5、retations of technical aspects of thisStandard.Interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.Items approved as errata to this edition are published on the ASME Web site under Committee Pagesat http:/cstools.asme.org.ASME is t

6、he 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 fromcompet

7、ent 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“end

8、orse”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 o

9、f 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(

10、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

11、 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 AMER

12、ICAN 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

13、 on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.viCommittee Roster.ixCorrespondence With the B16 Committee.x1Scope.12PressureTemperature Ratings.23Component Size.34Marking.35Materials.76Dimensions.97Tolerance

14、s.128Pressure Testing.14Figures1Method of Designating Location of Auxiliary Connections WhenSpecified.152Method of Designating Outlets of Reducing Fittings in Specifications.163Thread Length for Connection Tapping.174Socket Welding for Connections.175Butt Welding for Connections.176Bosses for Connec

15、tions.177End Flange Facings and Their Relationship to Flange Thickness andCenter-to-End and End-to-End Dimensions.188Bevel for Wall Thicknesses t From 5 mm to 22 mm Inclusive.199Bevel for Wall Thicknesses t Greater Than 22 mm.2010Inside Contour for Use With Rectangular Backing Ring.2011Inside Contou

16、r for Use With Taper Backing Ring.2112Bevel for Outside Thickness.2113Bevel for Inside Thickness.2114Bevel for Combined Thickness.2215Straight Hub Welding Flanges.22Tables1AList of Material Specifications.41BList of Bolting Specifications Applicable ASTM Specifications.81CFlange Bolting Dimensional Recommendations.122-1.1PressureTemperature Ratings for Group 1.1 Materials.232-1.2PressureTemperature Ratings for Group 1.2 Materials.242-1.3PressureTemperature Ratings for Group 1.3 Materials.252-1.4

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