1、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 A
2、venue New York, NY 10016 USADate 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
3、 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 c
4、ode 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 propo
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6、E 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 liabil
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8、terpreted 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 do
9、cument 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 rese
10、rvedPrinted in U.S.A.CONTENTSForeword vCommittee Roster . viCorrespondence With the B16 Committee viiSummary of Changes viii1 Scope . 12 PressureTemperature Ratings 23 Component Size: Nominal Pipe Size . 34 Marking . 35 Materials 36 Dimensions 57 Tolerances . 68 Pressure Testing 6Figures1 Welding En
11、ds (Welding Neck Flanges, No Backing Rings) 72 Welding Ends (Welding Neck Flanges With Backing Rings) . 83 Welding Ends (Welding Neck Flanges) . 9Tables1 List of Material Specifications . 102 List of Bolting Specifications (Applicable ASTM Specifications) . 123 PressureTemperature Ratings for Group
12、1.1 Materials . 134 PressureTemperature Ratings for Group 1.2 Materials . 145 PressureTemperature Ratings for Group 1.3 Materials . 156 PressureTemperature Ratings for Group 1.4 Materials . 167 PressureTemperature Ratings for Group 1.5 Materials . 178 PressureTemperature Ratings for Group 1.7 Materi
13、als . 189 PressureTemperature Ratings for Group 1.9 Materials . 1910 PressureTemperature Ratings for Group 1.10 Materials 2011 PressureTemperature Ratings for Group 1.11 Materials 2112 PressureTemperature Ratings for Group 1.13 Materials 2213 PressureTemperature Ratings for Group 1.14 Materials 2314
14、 PressureTemperature Ratings for Group 1.15 Materials 2415 PressureTemperature Ratings for Group 1.17 Materials 2516 PressureTemperature Ratings for Group 1.18 Materials 2617 PressureTemperature Ratings for Group 2.1 Materials . 2718 PressureTemperature Ratings for Group 2.2 Materials . 2819 Pressur
15、eTemperature Ratings for Group 2.3 Materials . 2920 PressureTemperature Ratings for Group 2.4 Materials . 3021 PressureTemperature Ratings for Group 2.5 Materials . 3122 PressureTemperature Ratings for Group 2.6 Materials . 3223 PressureTemperature Ratings for Group 2.7 Materials . 3324 PressureTemp
16、erature Ratings for Group 2.8 Materials . 3425 PressureTemperature Ratings for Group 2.9 Materials . 3526 PressureTemperature Ratings for Group 2.10 Materials 3627 PressureTemperature Ratings for Group 2.11 Materials 3728 PressureTemperature Ratings for Group 2.12 Materials 38iii29 Dimensions of Rin
17、g-Joint Facings 3930 Permissible Imperfections in Flange Facing Finish 3931 Dimensions of Class 150 Series A Flanges 4032 Dimensions of Class 300 Series A Flanges 4133 Dimensions of Class 400 Series A Flanges 4234 Dimensions of Class 600 Series A Flanges 4335 Dimensions of Class 900 Series A Flanges
18、 4436 Dimensions of Class 75 Series B Flanges . 4537 Dimensions of Class 150 Series B Flanges 4638 Dimensions of Class 300 Series B Flanges 4739 Dimensions of Class 400 Series B Flanges 4840 Dimensions of Class 600 Series B Flanges 4941 Dimensions of Class 900 Series B Flanges 5042 Flange Bolting Di
19、mensional Recommendations . 51Mandatory AppendicesI PressureTemperature Ratings and Dimensional Data for Classes 75, 150, 300,400, 600, and 900 Flanges in U.S. Customary Units . 53II Quality System Program 95III References 96Nonmandatory AppendicesA Methods Used for Establishing PressureTemperature
20、Ratings 98B Gaskets (Other Than Ring-Joint) . 102ivFOREWORDIn November 1980, a task force was appointed within Subcommittee C of the American NationalStandards (ANSI) B16 Committee to develop a standard for pipe flanges in sizes NPS 26 throughNPS 48. Every attempt was made to standardize those dimen
21、sions that existed within the industryfor the materials covered by ANSI B16.5.Prompted by suggestions from committee members, the task force was authorized to increasethe size range to NPS 60. The first draft was developed in December 1982 to include Class 75through Class 1500 for the size range NPS
22、 26 through NPS 60. Flange dimensions were basedon the Manufacturers Standardization Society, Standard Practice (MSS SP) 44 flanges, except forClass 75 flanges that are ANSI/API 605 flanges.At the request of the American Petroleum Institute (API), flange dimensions, in accordancewith the API Standar
23、d 605, were included in the subsequent drafts. Class 1500 flanges weredeleted due to a lack of interest in using large size flanges in that pressuretemperature rating.The API-605 flanges for Classes 150 and 300 and for sizes NPS 36 and smaller for classes higherthan Class 300 are not compatible with
24、 the MSS SP-44 flanges. Thus, the MSS SP-44 flanges aredesignated as Series A flanges, and the API-605 flanges are designated as Series B flanges in thisStandard. Materials covered in this Standard are as in ANSI B16.5, except nickel base alloys areexcluded. Pressuretemperature ratings are in accord
25、ance with ANSI B16.5.In 1982, American National Standards Committee B16 was reorganized as the American Societyof Mechanical Engineers (ASME) B16 Committee operating under procedures accredited by ANSI.Following approval by the Standards Committee and ASME, approval as an American NationalStandard w
26、as given by ANSI on June 12, 1990.The 1996 Edition allowed flanges marked with more than one material grade or specification,revised flange face finish requirements, revised pressuretemperature ratings for several materialgroups, added permissible flange facing imperfections, added blind flanges for
27、 Series B flanges,and included several other revisions. Following approval by the Standards Committee and ASME,Boiler and Pressure Vessel Committee, ANSI approved the previous edition as an AmericanNational Standard on October 3, 1996 with the new designation ASME B16.47-1996.In 2006, several revisi
28、ons were made, including use of metric units as primary units, withU.S. Customary units in either parenthetical or separate forms. Mandatory Appendix I wasprovided after the main text for convenience to cover ratings and dimensions in U.S. Customaryunits. Inch dimension bolt holes were retained for
29、flanges manufactured to metric dimensionsto avoid fit up problems. Development of metric dimensions was done to reflect the intendedprecision of the dimension rather than by numerical conversion. For some materials pressuretemperature ratings were revised to reflect revisions to material strength pr
30、operties (tensile andyield) listed in the ASME Boiler and Pressure Vessel Code, Section II. Some materials wereassigned to different rating tables in order to minimize changes to ratings for commonly usedmaterials. Following the approvals of the Standards Committee and ASME, approval for therevised
31、edition was granted by the American National Standards Institute on November 6, 2006.In the 2011 edition, the References section has been revised to cover the requirements of materialspecification editions other than those listed in Mandatory Appendix III. Additionally, thisStandard was updated in r
32、egard to the latest revisions to ASME B16.5.All requests for interpretation or suggestions for revisions should be sent to the Secretary,B16Committee,TheAmerican SocietyofMechanicalEngineers,ThreePark Avenue,NewYork,NY10016-5990. As an alternative, inquiries may be submitted via e-mail to: Secretary
33、B16asme.org.ASME B16.47-2011 was approved by the American National Standards Institute onAugust 17, 2011.vASME B16 COMMITTEEStandardization of Valves, Flanges, Fittings, and Gaskets(The following is the roster of the Committee at the time of approval of this Standard.)STANDARDS COMMITTEE OFFICERSW.
34、B. Bedesem, ChairG. A. Jolly, Vice ChairD. Sharp, SecretarySTANDARDS COMMITTEE PERSONNELA. Appleton, Alloy Stainless Steel Products Co., Inc.R. W. Barnes, Anric Enterprises, Inc.W. B. Bedesem, ConsultantR. M. Bojarczuk, ExxonMobil Research however, they shouldnot contain proprietary names or informa
35、tion.Requests that are not in this format will be rewritten in this format by the Committee priorto being answered, which may inadvertently change the intent of the original request.ASME procedures provide for reconsideration of any interpretation when or if additionalinformation that might affect a
36、n interpretation is available. Further, persons aggrieved by aninterpretation may appeal to the cognizant ASME Committee or Subcommittee. ASME does not“approve,” “certify,” “rate,” or “endorse” any item, construction, proprietary device, or activity.Attending Committee Meetings. The B16 Standards Co
37、mmittee regularly holds meetings, whichare open to the public. Persons wishing to attend any meeting should contact the Secretary ofthe B16 Standards Committee.viiASME B16.47-2011SUMMARY OF CHANGESFollowing approval by the ASME B16 Committee and ASME, and after public review,ASME B16.47-2011 was app
38、roved by the American National Standards Institute onAugust 17, 2011.ASME B16.47-2011 includes the following changes identified by a margin note, (11).Page Location Change1 1.8 Title revised2 2.1 Table references revised from Table 27and Table I-25 to Table 28 andTable I-26, respectively3, 4 5.1 Rev
39、ised5.1.2 Table references revised from Table 27and Table I-25 to Table 28 andTable I-26, respectively5, 6 6.1.1 Table references revised from Table 28and Table I-26 to Table 29 andTable I-27, respectively6.1.1.2 Table references revised from Table 28and Table I-26 to Table 29 andTable I-27, respect
40、ively6.1.5 Table references revised from Table 29and Table I-27 to Table 30 andTable I-28, respectively6.3 Table references revised from Tables 30,40, I-28, and I-38 to Tables 31, 41, I-29,and I-39, respectively6.5.1 Table reference revised from Table 41 toTable 426.7 Table references revised from T
41、ables 30,40, I-28, and I-38 to Tables 31, 41, I-29,and I-39, respectively7.1 In subpara. (d), Table references revisedfrom Table 28 and Table I-26 toTable 29 and Table I-27, respectively10, 11 Table 1 (1) Second entry in third column revised(2) New entry for Material Group 1.18added(3) For Material
42、Group 2.8, last twoentries in Castings column revisedfrom A351 to A99513 Table 3 Second entry in Forgings column revisedviiiPage Location Change14 Table 4 Reference to Note (2) added to last entryof Castings column15 Table 5 New Note (6) added18 Table 8 New Note (3) added19 Table 9 New Note (4) adde
43、d20 Table 10 New Note (4) added22 Table 12 New Note (2) added23 Table 13 New Note (2) added24 Table 14 New Note (1) added26 Table 16 Added, subsequent tables renumbered29 Table 19 Third entry to Plates column revised34 Table 24 Fifth and sixth entries in Castingscolumn revised47 Table 38 (1) First a
44、nd seventh entries in fifthcolumn corrected by errata(2) Last entry in seventh columncorrected by errata51 Table 42 New Note (1) added53 Mandatory Appendix I Revised57 Table I-1 Second entry in Forgings column revised58 Table I-2 Reference to Note (2) added to last entryin Castings column59 Table I-
45、3 New Note (6) added62 Table I-6 New Note (3) added63 Table I-7 New Note (4) added64 Table I-8 New Note (4) added66 Table I-10 New Note (2) added67 Table I-11 New Note (2) added68 Table I-12 New Note (1) added70 Table I-14 Added, subsequent tables renumbered73 Table I-17 Third entry in Plates column
46、 revised78 Table I-22 Fifth and sixth entries in Castingscolumn revised90 Table I-35 Twelfth entry in sixth column correctedby errata96, 97 Mandatory Appendix III UpdatedixINTENTIONALLY LEFT BLANKxASME B16.47-2011LARGE DIAMETER STEEL FLANGESNPS 26 THROUGH NPS 60 METRIC/INCH STANDARD1 SCOPE1.1 Genera
47、lThis Standard covers pressuretemperature ratings,materials, dimensions, tolerances, marking, and testingfor pipe flanges in sizes NPS 26 through NPS 60.Included are flanges with rating class designations 75,150, 300, 400, 600, and 900 with requirements given inboth SI (Metric) and U.S. Customary un
48、its, with diame-ter of bolts and flange bolt holes expressed in inch units.This Standard is limited to(a) flanges made from cast or forged materials(b) blind flanges made from cast, forged, or platematerials (see Tables 1 and 2)Also included in this Standard are requirements andrecommendations regar
49、ding flange bolting, flange gas-kets, and flange joints.1.2 Flange SeriesThis Standard provides two series of flange dimen-sions. Series A specifies flange dimensions for generaluse flanges. SeriesB specifies flange dimensionsfor com-pact flanges that, in most cases, have smaller bolt circlediameters than Series A flanges. These two series offlanges are, in general, not interchangeable. The usershould recognize that some flanged valves, equipmentbolted between flanges, and flanged equipment may becompatible with only one series of these flanges.1.3 Ref
