No products
View larger
ASME B16.5-2013
M00050640
New product
ASME B16.5-2013 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
standard by ASME International, 04/29/2013
Full Description
ASME B16.5 - one of ASME's more popular standards -- covers pipe flanges and flanged fittings for flanges with rating class designations 150, 300, 400, 600, 900, and 1500 in sizes NPS 1/2 through NPS 24; plus flanges with rating class designation 2500 in sizes NPS 1/2 through NPS 12.ASME B16.47 covers the same category of equipment, but with rating class designations 75, 150, 300, 400, 600, and 900 in sizes NPS 26 through NPS 60. Both product standards offer comprehensive requirements applying to pressuretemperature ratings, materials, dimensions, tolerances, marking and testing. Theyaddress flanges and flanged fittings made from cast, forged or plate materials, while also offering requirements and recommendations regarding flange bolting, gaskets and joints.
Both product standards are to be used in conjunction with equipment described in other volumes of the ASME B16 series of standards as well as with other ASME standards, such as the Boiler and Pressure Vessel Code and the B31 Piping Codes. Careful application of these B16 standards will help users to comply withpertinent regulations within their jurisdictions, while achieving the operational, cost and safety benefits to be gained from the many industry best-practices detailed within these volumes.
Intended for manufacturers, owners, employers, users and others concerned with the specification, buying, maintenance, training and safe use of pipe flanges and flanged fittings with B16 equipment, plus all potential governing entities.
In stock
More info
Pipe Flanges and Flanged Fittings
NPS 1/2 Through NPS 24 Metric/Inch Standard
AN A MERICAN NA TIONAL S T AND ARD
ASME B16.5-2013
(Revision of ASME B16.5-2009)
ASME B16.5-2013
(Revision of ASME B16.5-2009)
Pipe Flanges and Flanged Fittings
NPS 1⁄2 Through NPS 24 Metric/Inch Standard
AN AMERICAN NA TIONAL S T AND ARD
Two Park Avenue • New York, NY • 10016 USA
Date of Issuance: April 29, 2013
The next edition of this Standard is scheduled for publication in 2015.
ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. Interpretations are published on the ASME Web site under the Committee Pages at https://cstools.asme.org/ as they are issued.
Errata to codes and standards may be posted on the ASME Web site under the Committee Pages to provide corrections to incorrectly published items, or to correct typographical errors in codes and standards. Such errata shall be used on the date posted.
The Committee Pages can be found at https://cstools.asme.org/. There is an option available to automatically receive an e-mail notification when errata are posted to a particular code or standard. This option can be found on the appropriate Committee Page after selecting “Errata” in the “Publication Information” section.
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 National Standards. The Standards Committee that approved the code or standard was balanced to assure that individuals from competent and concerned interests have had an opportunity to participate. The proposed code or standard was made available for public review and comment that provides an opportunity for additional public input 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 any items mentioned in this document, and does not undertake to insure anyone utilizing a standard against liability for infringement of any applicable letters patent, nor assumes any such liability. Users of a code or standard are expressly advised that determination of the validity of any such patent rights, and the risk of infringement of such rights, is entirely their own responsibility.
Participation by federal agency representative(s) or person(s) affiliated with industry is not to be interpreted as government or industry endorsement of this code or standard.
ASME accepts responsibility for only those interpretations of this document issued in accordance with the established ASME 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 Engineers Two Park Avenue, New York, NY 10016-5990
Copyright © 2013 by
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
All rights reserved Printed in U.S.A.
CONTENTS
Foreword vi
Committee Roster ix
Correspondence With the B16 Committee x
Summary of Changes xi
1 | Scope ................................................................... | 1 |
2 | Pressure–Temperature Ratings ............................................ | 2 |
3 | Component Size ......................................................... | 3 |
4 | Marking ................................................................. | 3 |
5 | Materials ................................................................ | 7 |
6 | Dimensions .............................................................. | 9 |
7 | Tolerances ............................................................... | 13 |
8 | Pressure Testing ......................................................... | 14 |
Figures | ||
1 | Bevel for Outside Thickness ............................................. | 15 |
2 | Bevel for Inside Thickness ............................................... | 15 |
3 | Bevel for Combined Thickness ........................................... | 15 |
4 | Straight Hub Welding Flanges ........................................... | 15 |
5 | Method of Designating Outlets of Reducing Fittings in Specifications ..... | 16 |
6 | End Flange Facings and Their Relationship to Flange Thickness and Center-to-End and End-to-End Dimensions ............................ | 17 |
7 | Bevel for Wall Thicknesses t From 5 mm to 22 mm Inclusive ............. | 19 |
8 | Bevel for Wall Thicknesses t Greater Than 22 mm ........................ | 19 |
9 | Inside Contour for Use With Rectangular Backing Ring ................... | 20 |
10 | Inside Contour for Use With Taper Backing Ring ......................... | 20 |
11 | Thread Length for Connection Tapping .................................. | 21 |
12 | Socket Welding for Connections ......................................... | 21 |
13 | Bosses for Connections .................................................. | 21 |
14 | Butt Welding for Connections ............................................ | 21 |
15 | Method of Designating Location of Auxiliary Connections When Specified .............................................................. | 22 |
Tables | ||
1A | List of Material Specifications ............................................ | 4 |
1B | List of Bolting Specifications Applicable ASTM Specifications ............. | 8 |
1C | Flange Bolting Dimensional Recommendations ........................... | 12 |
2-1.1 | Pressure–Temperature Ratings for Group 1.1 Materials ................... | 23 |
2-1.2 | Pressure–Temperature Ratings for Group 1.2 Materials ................... | 24 |
2-1.3 | Pressure–Temperature Ratings for Group 1.3 Materials ................... | 25 |
2-1.4 | Pressure–Temperature Ratings for Group 1.4 Materials ................... | 26 |
2-1.5 | Pressure–Temperature Ratings for Group 1.5 Materials ................... | 27 |
iii
2-1.7 | Pressure–Temperature Ratings for Group 1.7 Materials | ................... | 28 |
2-1.9 | Pressure–Temperature Ratings for Group 1.9 Materials | ................... | 29 |
2-1.10 | Pressure–Temperature Ratings for Group 1.10 Materials | .................. | 30 |
2-1.11 | Pressure–Temperature Ratings for Group 1.11 Materials | .................. | 31 |
2-1.13 | Pressure–Temperature Ratings for Group 1.13 Materials | .................. | 32 |
2-1.14 | Pressure–Temperature Ratings for Group 1.14 Materials | .................. | 33 |
2-1.15 | Pressure–Temperature Ratings for Group 1.15 Materials | .................. | 34 |
2-1.17 | Pressure–Temperature Ratings for Group 1.17 Materials | .................. | 35 |
2-1.18 | Pressure–Temperature Ratings for Group 1.18 Materials | .................. | 36 |
2-2.1 | Pressure–Temperature Ratings for Group 2.1 Materials | ................... | 37 |
2-2.2 | Pressure–Temperature Ratings for Group 2.2 Materials | ................... | 38 |
2-2.3 | Pressure–Temperature Ratings for Group 2.3 Materials | ................... | 39 |
2-2.4 | Pressure–Temperature Ratings for Group 2.4 Materials | ................... | 40 |
2-2.5 | Pressure–Temperature Ratings for Group 2.5 Materials | ................... | 41 |
2-2.6 | Pressure–Temperature Ratings for Group 2.6 Materials | ................... | 42 |
2-2.7 | Pressure–Temperature Ratings for Group 2.7 Materials | ................... | 43 |
2-2.8 | Pressure–Temperature Ratings for Group 2.8 Materials | ................... | 44 |
2-2.9 | Pressure–Temperature Ratings for Group 2.9 Materials | ................... | 45 |
2-2.10 | Pressure–Temperature Ratings for Group 2.10 Materials | .................. | 46 |
2-2.11 | Pressure–Temperature Ratings for Group 2.11 Materials | .................. | 47 |
2-2.12 | Pressure–Temperature Ratings for Group 2.12 Materials | .................. | 48 |
2-3.1 | Pressure–Temperature Ratings for Group 3.1 Materials | ................... | 49 |
2-3.2 | Pressure–Temperature Ratings for Group 3.2 Materials | ................... | 49 |
2-3.3 | Pressure–Temperature Ratings for Group 3.3 Materials | ................... | 50 |
2-3.4 | Pressure–Temperature Ratings for Group 3.4 Materials | ................... | 50 |
2-3.5 | Pressure–Temperature Ratings for Group 3.5 Materials | ................... | 51 |
2-3.6 | Pressure–Temperature Ratings for Group 3.6 Materials | ................... | 52 |
2-3.7 | Pressure–Temperature Ratings for Group 3.7 Materials | ................... | 53 |
2-3.8 | Pressure–Temperature Ratings for Group 3.8 Materials | ................... | 54 |
2-3.9 | Pressure–Temperature Ratings for Group 3.9 Materials | ................... | 55 |
2-3.10 | Pressure–Temperature Ratings for Group 3.10 Materials | .................. | 56 |
2-3.11 | Pressure–Temperature Ratings for Group 3.11 Materials | .................. | 56 |
2-3.12 | Pressure–Temperature Ratings for Group 3.12 Materials | .................. | 57 |
2-3.13 | Pressure–Temperature Ratings for Group 3.13 Materials | .................. | 58 |
2-3.14 | Pressure–Temperature Ratings for Group 3.14 Materials | .................. | 59 |
2-3.15 | Pressure–Temperature Ratings for Group 3.15 Materials | .................. | 60 |
2-3.16 | Pressure–Temperature Ratings for Group 3.16 Materials | .................. | 61 |
2-3.17 | Pressure–Temperature Ratings for Group 3.17 Materials | .................. | 62 |
2-3.19 | Pressure–Temperature Ratings for Group 3.19 Materials | .................. | 62 |
Permissible Imperfections in Flange Facing Finish for Raised Face and
Large Male and Female Flanges 63
Dimensions of Facings (Other Than Ring Joints, All Pressure Rating
Classes) 64
Dimensions of Ring-Joint Facings (All Pressure Rating Classes) 66
Reducing Threaded and Slip-On Flanges for Classes 150 Through
2500 .................................................................. 70
Templates for Drilling Class 150 Pipe Flanges and Flanged Fittings 71
Dimensions of Class 150 Flanges 72
Dimensions of Class 150 Flanged Fittings 75
Templates for Drilling Class 300 Pipe Flanges and Flanged Fittings 80
Dimensions of Class 300 Flanges 81
Dimensions of Class 300 Flanged Fittings 84
Templates for Drilling Class 400 Pipe Flanges 88
Dimensions of Class 400 Flanges 89
Templates for Drilling Class 600 Pipe Flanges and Flanged Fittings 91
Dimensions of Class 600 Flanges 92
iv
Templates for Drilling Class 900 Pipe Flanges and Flanged Fittings 94
Dimensions of Class 900 Flanges 95
Templates for Drilling Class 1500 Pipe Flanges 97
Dimensions of Class 1500 Flanges 98
Templates for Drilling Class 2500 Pipe Flanges 100
Dimensions of Class 2500 Flanges 101
Mandatory Appendices
Threading of Pipe for American National Standard Threaded Flanges 103
Pressure–Temperature Ratings and Dimensional Data for Classes 150, 300, 400, 600, 900, 1500, and 2500 Flanges and Classes 150 and 300
Flanged Fittings in U.S. Customary Units 105
References 193
Nonmandatory Appendices
Method Used for Establishing Pressure–Temperature Ratings 196
Limiting Dimensions of Gaskets Other Than Ring Joint Gaskets 200
Method for Calculating Bolt Lengths 202
Quality System Program 204
Dimensions of Classes 400, 600, 900, 1500, and 2500 Flanged Fittings in
U.S. Customary Units 205
v
FOREWORD
In 1920, the American Engineering Standards Committee [later the American Standards Associations (ASA)] organized Sectional Committee B16 to unify and further develop standards for pipe flanges and fittings (and later for valves and gaskets). Cosponsors of the B16 Committee were ASME, the Heating and Piping Contractors National Association [now Mechanical Contractors Association of America (MCAA)], and the Manufacturers Standardization Society of the Valves and Fittings Industry (MSS). Cosponsors were later designated as cosecretariat organizations.
The Committee soon recognized the need for standardization of steel pipe flanges. In May, 1923, Subcommittee 3 was organized to develop such standards for pressures in the 250-psi to 3,200-psi range and for elevated temperatures. Active work began in October, including steel flanged fittings. The first proposed standard was submitted to the Committee in April 1926 and approved by letter ballot in December. After favorable review by the three sponsor organizations, the Standard was approved as American Tentative Standard B16e in June 1927.
Experience in using the Standard showed the need for hub dimensions of companion flanges and for other changes, including rerating of 250-lb and 1,350-lb flanges and development of flanged fittings with integral bases. An investigation was made into the factors determining stiffness of flanges and flange hubs. The revised edition was approved as ASA B16E-1932.