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ASME B16.1 2015

ASME B16.1 2015

$98.04

ASME B16.1 – 2015: Gray Iron Pipe Flanges and Flanged Fittings: Classes 25, 125, and 250

Published By Publication Date Number of Pages
ASME 2015 70
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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
9 ASME B16.1-2015 SUMMARY OF CHANGES
10 LIST OF CHANGES IN RECORD NUMBER ORDER
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
2.6.1 Pressure Rating Designation.
2.6.2 Size.
3 PRESSURE-TEMPERATURE RATINGS
3.1 General
13 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
6 MATERIALS
6.1 Castings
6.2 Bolting
7 FITTING DIMENSIONS AND TOLERANCES
7.1 Wall Thickness
14 7.2 Facing
7.3 Center-to-Face Dimensions
7.3.1 Side Outlet Fittings.
7.3.2 Elbows
7.3.3 Tees, Crosses, and Laterals
7.3.4 True YŒs.
7.3.5 Reducers and Eccentric Reducers.
7.4 Center-to-Face Tolerances
7.5 Threaded Flanges
7.5.1 General.
7.5.2 Class 125.
15 7.5.3 Class 250.
7.6 Flange Bolt Holes
7.6.1 Flange Bolt Holes.
7.6.2 Flange Bolt Hole Tolerance.
7.6.3 Bolt Circle Diameter.
7.6.4 Bolt Hole to Bolt Hole.
7.6.5 Bolt Circle Concentricity.
7.6.6 Tolerance.
7.7 Spot Facing
7.8 Crosses and Lateral Reinforcement
7.9 Drain Connections
7.9.1 Threaded Connections.
7.9.2 Location Designation.
8 BOLT, NUT, AND GASKET DIMENSIONS
8.1 Bolting
8.2 Gaskets
16 9 HYDROSTATIC TESTS
10 CERTIFICATIONS
17 Figures
Fig. 1 Method of Designating Outlets of Reducing Fittings in Specifications
18 Fig. 2 Drain Connections
19 Fig. 3 Method of Designating Location of Tapped Holes for Drains When Specified
20 Tables
Table 1 Pressure–Temperature Ratings
21 Table 2 Class 250 Flange and Bolting Dimensions
23 Table 3 Dimensions of Class 25 Gray Iron Flanged Fittings
25 Table 4 Dimensions of Class 125 Gray Iron Flanged Fittings
30 Table 5 Dimensions of Class 250 Gray Iron Flanged Fittings
35 Table 6 Dimensions of Anchorage Bases for Straight and Reducing Class 125 Tees
37 Table 7 Dimensions of Anchorage Bases for Straight and Reducing Class 250 Tees
39 Table 8 Class 25 Flange and Bolting Dimensions
40 Table 9 Class 125 Flange and Bolting Dimensions
41 Table 10 Minimum Thread Length
42 MANDATORY APPENDIX I DIMENSIONS OF FITTINGS IN U.S. CUSTOMARY UNITS
43 Fig. I-1 Method of Designating Outlets of Reducing Fittings in Specifications
44 Fig. I-2 Drain Connections
45 Fig. I-3 Method of Designating Location of Tapped Holes for Drains When Specified
46 Table I-1 Pressure–Temperature Ratings
47 Table I-2 Class 250 Flange and Bolting Dimensions
49 Table I-3 Dimensions of Class 25 Gray Iron Flanged Fittings
51 Table I-4 Dimensions of Class 125 Gray Iron Flanged Fittings
56 Table I-5 Dimensions of Class 250 Gray Iron Flanged Fittings
61 Table I-6 Dimensions of Anchorage Bases for Straight and Reducing Class 125 Tees
63 Table I-7 Dimensions of Anchorage Bases for Straight and Reducing Class 250 Tees
65 Table I-8 Class 25 Flange and Bolting Dimensions
66 Table I-9 Class 125 Flange and Bolting Dimensions
67 Table I-10 Minimum Thread Length
68 MANDATORY APPENDIX II REFERENCES
69 NONMANDATORY APPENDIX A QUALITY SYSTEM PROGRAM

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