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ASME B16.47 2020

ASME B16.47 2020

$98.04

ASME B16.47-2020 Large Diameter Steel Flanges: NPS 26 through NPS 60, Metric/Inch Standard

Published By Publication Date Number of Pages
ASME 2020 137
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This standard covers pressure-temperature ratings, materials, dimensions, tolerances, marking, and testing for pipe flanges in sizes NPS 26 through NPS 60. Included are flanges with rating class designations 75, 150, 300, 400, 600, and 900 with requriements given in both SI (Metric) and U. S. Customary units, with diameter of bolts and flange bolt hole expressed in inch units.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
7 FOREWORD
8 ASME B16 COMMITTEE ROSTER
9 CORRESPONDENCE WITH THE B16 COMMITTEE
11 ASME B16.47-2020 SUMMARY OF CHANGES
13 LIST OF CHANGES IN RECORD NUMBER ORDER
14 1 GENERAL
1.1 Scope
1.2 Flange Series
1.3 References
1.4 Time of Purchase, Manufacture, or Installation
1.5 User Accountability
1.6 Quality Systems
1.7 Relevant Units
1.8 Selection of Materials
1.9 Convention
15 1.10 Denotation
1.11 Similar Flanges
1.12 Cases
2 PRESSURE–TEMPERATURE RATINGS
2.1 General
2.2 Flanged Joints
2.3 Ratings of Flanged Joints
2.4 Rating Temperature
2.5 Temperature Considerations
16 2.6 System Pressure Testing
2.7 Welding Neck Flanges
2.8 Multiple Material Grades
3 COMPONENT SIZE: NOMINAL PIPE SIZE
4 MARKING
4.1 General
4.2 Identification Markings
17 5 MATERIALS
5.1 General
5.2 Mechanical Properties
5.3 Bolting
18 5.4 Gaskets
6 DIMENSIONS
6.1 Flange Facings
19 6.2 Flange Bolt Holes
6.3 Bolting Bearing Surfaces
6.4 Welding End Preparation for Welding Neck Flanges
6.5 Flange Bolting Dimensions
6.6 Gaskets
6.7 Hub Dimensions
7 TOLERANCES
7.1 Facings
7.2 Flange Thickness
7.3 Welding End Flange Ends and Hubs
20 7.4 Hub Length for Welding Neck Flanges
7.5 Drilling and Facing
8 PRESSURE TESTING
8.1 Flange Test
21 Figures
Figure 1 Welding Ends (Welding Neck Flanges, No Backing Rings)
22 Figure 2 Welding Ends (Welding Neck Flanges With Backing Rings)
23 Figure 3 Welding Ends (Welding Neck Flanges)
24 Tables
Table 1 List of Material Specifications
26 Table 2 List of Bolting Specifications (Applicable ASTM Specifications)
27 Table 3 Pressure–Temperature Ratings for Group 1.1 Materials
28 Table 3C Pressure–Temperature Ratings for Group 1.1 Materials
29 Table 4 Pressure–Temperature Ratings for Group 1.2 Materials
30 Table 4C Pressure–Temperature Ratings for Group 1.2 Materials
31 Table 5 Pressure–Temperature Ratings for Group 1.3 Materials
32 Table 5C Pressure–Temperature Ratings for Group 1.3 Materials
33 Table 6 Pressure–Temperature Ratings for Group 1.4 Materials
34 Table 6C Pressure–Temperature Ratings for Group 1.4 Materials
35 Table 7 Pressure–Temperature Ratings for Group 1.5 Materials
36 Table 7C Pressure–Temperature Ratings for Group 1.5 Materials
37 Table 8 Pressure–Temperature Ratings for Group 1.7 Materials
38 Table 8C Pressure–Temperature Ratings for Group 1.7 Materials
39 Table 9 Pressure–Temperature Ratings for Group 1.9 Materials
40 Table 9C Pressure–Temperature Ratings for Group 1.9 Materials
41 Table 10 Pressure–Temperature Ratings for Group 1.10 Materials
42 Table 10C Pressure–Temperature Ratings for Group 1.10 Materials
43 Table 11 Pressure–Temperature Ratings for Group 1.11 Materials
44 Table 11C Pressure–Temperature Ratings for Group 1.11 Materials
45 Table 12 Pressure–Temperature Ratings for Group 1.13 Materials
46 Table 12C Pressure–Temperature Ratings for Group 1.13 Materials
47 Table 13 Pressure–Temperature Ratings for Group 1.14 Materials
48 Table 13C Pressure–Temperature Ratings for Group 1.14 Materials
49 Table 14 Pressure–Temperature Ratings for Group 1.15 Materials
50 Table 14C Pressure–Temperature Ratings for Group 1.15 Materials
51 Table 15 Pressure–Temperature Ratings for Group 1.17 Materials
52 Table 15C Pressure–Temperature Ratings for Group 1.17 Materials
53 Table 16 Pressure–Temperature Ratings for Group 1.18 Materials
54 Table 16C Pressure–Temperature Ratings for Group 1.18 Materials
55 Table 17 Pressure–Temperature Ratings for Group 2.1 Materials
56 Table 17C Pressure–Temperature Ratings for Group 2.1 Materials
57 Table 18 Pressure–Temperature Ratings for Group 2.2 Materials
58 Table 18C Pressure–Temperature Ratings for Group 2.2 Materials
59 Table 19 Pressure–Temperature Ratings for Group 2.3 Materials
60 Table 19C Pressure–Temperature Ratings for Group 2.3 Materials
61 Table 20 Pressure–Temperature Ratings for Group 2.4 Materials
62 Table 20C Pressure–Temperature Ratings for Group 2.4 Materials
63 Table 21 Pressure–Temperature Ratings for Group 2.5 Materials
64 Table 21C Pressure–Temperature Ratings for Group 2.5 Materials
65 Table 22 Pressure–Temperature Ratings for Group 2.6 Materials
66 Table 22C Pressure–Temperature Ratings for Group 2.6 Materials
67 Table 23 Pressure–Temperature Ratings for Group 2.7 Materials
68 Table 23C Pressure–Temperature Ratings for Group 2.7 Materials
69 Table 24 Pressure–Temperature Ratings for Group 2.8 Materials
70 Table 24C Pressure–Temperature Ratings for Group 2.8 Materials
71 Table 25 Pressure–Temperature Ratings for Group 2.9 Materials
72 Table 25C Pressure–Temperature Ratings for Group 2.9 Materials
73 Table 26 Pressure–Temperature Ratings for Group 2.10 Materials
74 Table 26C Pressure–Temperature Ratings for Group 2.10 Materials
75 Table 27 Pressure–Temperature Ratings for Group 2.11 Materials
76 Table 27C Pressure–Temperature Ratings for Group 2.11 Materials
77 Table 28 Pressure–Temperature Ratings for Group 2.12 Materials
78 Table 28C Pressure–Temperature Ratings for Group 2.12 Materials
79 Table 29 Dimensions of Ring-Joint Facings
80 Table 29C Dimensions of Ring-Joint Facings
81 Table 30 Permissible Imperfections in Flange Facing Finish
Table 30C Permissible Imperfections in Flange Facing Finish
82 Table 31 Dimensions of Class 150 Series A Flanges
84 Table 31C Dimensions of Class 150 Series A Flanges
86 Table 32 Dimensions of Class 300 Series A Flanges
88 Table 32C Dimensions of Class 300 Series A Flanges
90 Table 33 Dimensions of Class 400 Series A Flanges
92 Table 33C Dimensions of Class 400 Series A Flanges
94 Table 34 Dimensions of Class 600 Series A Flanges
96 Table 34C Dimensions of Class 600 Series A Flanges
98 Table 35 Dimensions of Class 900 Series A Flanges
100 Table 35C Dimensions of Class 900 Series A Flanges
102 Table 36 Dimensions of Class 75 Series B Flanges
104 Table 36C Dimensions of Class 75 Series B Flanges
106 Table 37 Dimensions of Class 150 Series B Flanges
108 Table 37C Dimensions of Class 150 Series B Flanges
110 Table 38 Dimensions of Class 300 Series B Flanges
112 Table 38C Dimensions of Class 300 Series B Flanges
114 Table 39 Dimensions of Class 400 Series B Flanges
116 Table 39C Dimensions of Class 400 Series B Flanges
118 Table 40 Dimensions of Class 600 Series B Flanges
120 Table 40C Dimensions of Class 600 Series B Flanges
122 Table 41 Dimensions of Class 900 Series B Flanges
124 Table 41C Dimensions of Class 900 Series B Flanges
125 Table 42 Flange Bolting Dimensional Recommendations
126 MANDATORY APPENDIX I REFERENCES
128 NONMANDATORY APPENDIX A METHODS USED FOR ESTABLISHING PRESSURE–TEMPERATURE RATINGS
A-1 GENERAL CONSIDERATIONS
A-2 PRESSURE–TEMPERATURE RATING METHOD
129 A-3 MAXIMUM RATINGS
130 Table A-1 Rating Ceiling Values in bar
131 Table A-2 Rating Ceiling Values in psig
132 NONMANDATORY APPENDIX B GASKETS (OTHER THAN RING-JOINT)
B-1 GASKET MATERIALS AND CONSTRUCTION
B-2 GASKET DIMENSIONS
133 Table B-1 Gasket Groups and Typical Materials
134 NONMANDATORY APPENDIX C QUALITY SYSTEM PROGRAM
135 Table D-1 F Values
NONMANDATORY APPENDIX D METHOD FOR CALCULATING BOLT LENGTHS
136 Figure D-1 Specified Stud Bolt Length
Table D-2 n Values for Stud Bolt Length, A

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