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ASME B16.1 2020

ASME B16.1 2020

$98.04

ASME B16.1 – 2020 Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

Published By Publication Date Number of Pages
ASME 2020 49
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This Standard for Classes 25, 125, and 250 Cast Iron Pipe Flanges and Flanged Fittings. It includes (a) pressure-temperature ratings, (b) sizes and method of designating openings of reducing fittings, (c) marking, (d) materials, (e) dimensions and tolerances, (f) bolting and gaskets (g) pressure testing.

PDF Catalog

PDF Pages PDF Title
4 CONTENTS
5 FOREWORD
7 ASME B16 COMMITTEE ROSTER
8 CORRESPONDENCE WITH THE B16 COMMITTEE
10 ASME B16.1-2020 SUMMARY OF CHANGES
12 1 SCOPE
2 GENERAL
2.1 References
2.2 Quality Systems
2.3 Relevant Units
2.4 Service Conditions
2.5 Convention
2.6 Denotation
13 3 PRESSUREā€“TEMPERATURE RATINGS
3.1 General
3.2 Flanged Joints
3.3 Rating Temperature
3.4 Low-Temperature Ratings
3.5 Ductility
4 SIZE
4.1 Nominal Pipe Size
4.2 Reducing Fittings
5 MARKING
5.1 Fittings
5.2 Flanges
5.3 Material Class
14 6 MATERIALS
6.1 Castings
6.2 Bolting
7 FITTING DIMENSIONS AND TOLERANCES
7.1 Wall Thickness
7.2 Facing
7.3 Center-to-Face Dimensions
15 7.4 Center-to-Face Tolerances
7.5 Threaded Flanges
7.6 Flange Bolt Holes
7.7 Spot Facing
7.8 Crosses and Lateral Reinforcement
7.9 Drain Connections
16 8 BOLT, NUT, AND GASKET DIMENSIONS
8.1 Bolting
8.2 Gaskets
9 HYDROSTATIC TESTS
10 CERTIFICATIONS
17 Tables
Table 3.1-1 Pressureā€“Temperature Ratings
18 Figures
Figure 4.2-1 Method of Designating Outlets of Reducing Fittings in Specifications
19 Table 7.3.2-1 Dimensions of Class 25 Gray Iron Flanged Fittings
34 Table 7.3.2-4 Dimensions of Anchorage Bases for Straight and Reducing Class 125 Tees
38 Table 7.3.2-5 Dimensions of Anchorage Bases for Straight and Reducing Class 250 Tees
40 Table 7.6.1-1 Class 25 Flange and Bolting Dimensions
41 Table 7.6.1-2 Class 125 Flange and Bolting Dimensions
45 Figure 7.9.1-1 Drain Connections
Table 7.9.1-1 Minimum Thread Length
46 Figure 7.9.2-1 Method of Designating Location of Tapped Holes for Drains When Specified
47 MANDATORY APPENDIX I REFERENCES
48 NONMANDATORY APPENDIX A QUALITY SYSTEM PROGRAM

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ASME B16.1 2020
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