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ASME B16.5-2017
M00050637
New product
ASME B16.5-2017 Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
standard by ASME International, 10/31/2017
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.In stock
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ASME B16.5-2017
(Revision of ASME B16.5-2013)
Pipe Flanges and Flanged Fittings
NPS ½ Through NPS 24 Metric/Inch Standard
AN A MERICAN NA TIONAL S T AND ARD
ASME B16.5-2017
(Revision of ASME B16.5-2013)
ASME B16.5-2017
(Revision of ASME B16.5-2013)
Pipe Flanges and
Flanged Fittings
NPS 1⁄2 Through NPS 24 Metric/Inch Standard
AN AMERICAN NATIONAL STANDARD
Date of Issuance: November 20, 2017
The next edition of this Standard is scheduled for publication in 2020.
ASME issues written replies to inquiries concerning interpretations of technical aspects of this Standard. 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 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 or grammatical 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 assume 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 © 2017 by
THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS
All rights reserved Printed in U.S.A.
CONTENTS
Foreword viii
Committee Roster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
Correspondence With the B16 Committee xi
Summary of Changes xiii
List of Changes in Record Number Order xv
1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 Pressure–temperature Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
3 Component Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
4 Marking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
5 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
6 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Tolerances 13
Pressure Testing 15
Mandatory Appendices
Threading of Pipe for American National Standard Threaded Flanges 108
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 110
References 195
Nonmandatory Appendices
A | Method Used for Establishing Pressure–temperature Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . | 198 |
B | Limiting Dimensions of Gasketsother than ring joint gaskets . . . . . . . . . . . . . . . . . . . . . . . . . . | 203 |
C | Method for Calculating Bolt Lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 205 |
D | Quality System Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 207 |
E | Dimensions of Classes 400, 600, 900, 1500, and 2500 Flanged Fittings in U.S. Customary Units . | 208 |
Figures | ||
1 | Bevel for Outside Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 15 |
2 | Bevel for Inside Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 16 |
3 | Bevel for Combined Thickness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 16 |
4 | Straight Hub Welding Flanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 16 |
5 | Method of Designating Outlets of Reducing Fittings in Specifications (flanged fittings) . . . . . . . . | 17 |
6 | End Flange Facings and Their Relationship to Flange Thickness and center-to-end and end-to-end dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 18 |
7 | Bevel for Wall Thicknesses t from 5 mm to 22 mm inclusive . . . . . . . . . . . . . . . . . . . . . . . . . . | 20 |
8 | Bevel for Wall Thicknesses t greater than 22 mm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 20 |
9 | Inside Contour for Use With Rectangular Backing Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 21 |
10 | Inside Contour for Use With Taper Backing Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 21 |
11 | Thread Length for Connection Tapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 22 |
12 | Socket Welding for Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 22 |
13 | Bosses for Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 22 |
14 | Butt Welding for Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 22 |
15 | Method of Designating Location of Auxiliary Connections When Specified (flanged fittings) . . . . | 23 |
II-6 | End Flange Facings and Their Relationship to Flange Thickness and Center-To-End and end-to-end dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 111 |
II-7 | Bevel for Wall Thicknesses t from 0.19 in. to 0.88 in. inclusive . . . . . . . . . . . . . . . . . . . . . . . . . | 113 |
II-8 | Bevel for Wall Thicknesses t greater than 0.88 in. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 113 |
II-9 | Inside Contour for Use With Rectangular Backing Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 114 |
II-10 | Inside Contour for Use With Taper Backing Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 114 |
II-11 | Thread Length for Connection Tapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 115 |
II-12 | Socket Welding for Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 115 |
II-13 | Bosses for Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 115 |
II-14 | Butt Welding for Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 115 |
C-1 | Specified Machine Bolt Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 206 |
C-2 | Specified Stud Bolt Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 206 |
Tables | ||
1A | list of material specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 5 |
1B | List of Bolting Specifications: Applicable Astm Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . | 9 |
1C | flange bolting dimensional recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 13 |
2-1.1 | Pressure–temperature Ratings for Group 1.1 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 24 |
2-1.2 | Pressure–temperature Ratings for Group 1.2 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 25 |
2-1.3 | Pressure–temperature Ratings for Group 1.3 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 26 |
2-1.4 | Pressure–temperature Ratings for Group 1.4 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 27 |
2-1.5 | Pressure–temperature Ratings for Group 1.5 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 28 |
2-1.7 | Pressure–temperature Ratings for Group 1.7 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 29 |
2-1.9 | Pressure–temperature Ratings for Group 1.9 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 30 |
2-1.10 | Pressure–temperature Ratings for Group 1.10 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 31 |
2-1.11 | Pressure–temperature Ratings for Group 1.11 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 32 |
2-1.13 | Pressure–temperature Ratings for Group 1.13 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 33 |
2-1.14 | Pressure–temperature Ratings for Group 1.14 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 34 |
2-1.15 | Pressure–temperature Ratings for Group 1.15 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 35 |
2-1.17 | Pressure–temperature Ratings for Group 1.17 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 36 |
2-1.18 | pressure–temperature ratings for group 1.18 materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 37 |
2-2.1 | Pressure–temperature Ratings for Group 2.1 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 38 |
2-2.2 | Pressure–temperature Ratings for Group 2.2 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 39 |
2-2.3 | Pressure–temperature Ratings for Group 2.3 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 40 |
2-2.4 | Pressure–temperature Ratings for Group 2.4 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 41 |
2-2.5 | Pressure–temperature Ratings for Group 2.5 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 42 |
2-2.6 | Pressure–temperature Ratings for Group 2.6 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 43 |
2-2.7 | Pressure–temperature Ratings for Group 2.7 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 44 |
2-2.8 | pressure–temperature ratings for group 2.8 materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 45 |
2-2.9 | Pressure–temperature Ratings for Group 2.9 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 46 |
2-2.10 | Pressure–temperature Ratings for Group 2.10 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 47 |
2-2.11 | Pressure–temperature Ratings for Group 2.11 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 48 |
2-2.12 | Pressure–temperature Ratings for Group 2.12 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 49 |
2-3.1 | Pressure–temperature Ratings for Group 3.1 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 50 |
2-3.2 | Pressure–temperature Ratings for Group 3.2 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 50 |
2-3.3 | Pressure–temperature Ratings for Group 3.3 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 51 |
2-3.4 | Pressure–temperature Ratings for Group 3.4 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 52 |
2-3.5 | Pressure–temperature Ratings for Group 3.5 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 53 |
2-3.6 | Pressure–temperature Ratings for Group 3.6 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 54 |
2-3.7 | Pressure–temperature Ratings for Group 3.7 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 55 |
2-3.8 | Pressure–temperature Ratings for Group 3.8 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 56 |
2-3.9 | Pressure–temperature Ratings for Group 3.9 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 57 |
2-3.10 | Pressure–temperature Ratings for Group 3.10 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 58 |
2-3.11 | Pressure–temperature Ratings for Group 3.11 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 58 |
2-3.12 | Pressure–temperature Ratings for Group 3.12 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 59 |
2-3.13 | Pressure–temperature Ratings for Group 3.13 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 59 |
2-3.14 | Pressure–temperature Ratings for Group 3.14 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 60 |
2-3.15 | Pressure–temperature Ratings for Group 3.15 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 61 |
2-3.16 | Pressure–temperature Ratings for Group 3.16 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 62 |
2-3.17 | Pressure–temperature Ratings for Group 3.17 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 63 |
2-3.19 | Pressure–temperature Ratings for Group 3.19 Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 64 |
3 | permissible imperfections in flange facing finish for raised face and large male and female flanges | 65 |
4 | dimensions of facings (other than ring joints, all pressure rating classes) . . . . . . . . . . . . . . . . . | 66 |
5 | dimensions of ring joint facings (all pressure rating classes) . . . . . . . . . . . . . . . . . . . . . . . . . . . | 68 |
6 | Reducing Threaded and Slip-On Pipe Flanges for Classes 150 Through 2500 Pipe Flanges . . . . . | 75 |
7 | templates for drilling class 150 pipe flanges and flanged fittings . . . . . . . . . . . . . . . . . . . . . . . . | 76 |
8 | dimensions of class 150 flanges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 77 |
9 | Dimensions of Class 150 Flanged Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . | 80 |
10 |
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