ASME B16 3 2011

ASME B16 3 2011

ASME B16 3 2011

ASME B16 3 2011 – American Society of Mechanical Engineers / 10-Oct-2011 / 52 pages ISBN: 9780791833810 This  ASME B16 3 2011 Standard covers malleable iron threaded fittings, Classes 150 and 300. It also contains provisions for using steel for caps and couplings in Class 150 for NPS 3/8 and smaller.

This standard ASME B16 3 2011 includes: (a) pressure-temperature ratings (b) size and method of designating openings of reducing fittings (c) marking (d) material (e) dimensions and tolerances (f) threading (g) coatings.

CONTENTS of ASME B16 3 2011

Foreword…. . . . . . . . . . . iv
Committee Roster…. . vi
Correspondence With the B16
Committee.. . . . . . . . . . . . . vii
Summary of Changes… . . . . . . . . . . . . . . . viii
1 Scope…. . . . . . . . . . 1.
2 General…. . . . . . . . 1
3 Pressure–Temperature Ratings… . . . 1
4 Size….. . . . . . . . . . . 2
5 Marking…. . . . . . . . 2
6 Material…. . . . . . . . 2
7 Dimensions and Tolerances… . . . . . . 2
8 Threading…. . . . . . 3
9 Ribs…. . . . . . . . . . . 3
10 Plugs, Bushings, and Locknuts… . . 3
11 Face Bevel….. . . . . 3
12 Coatings…. . . . . . . 3
Figures 1 Identification of Reducing Fittings.. . . . . . . . . . . . . . . 2..
ANSI ASME B16 3 2011 2 Gaging of Chamfered Internal Threads.. . . . . . . . . . . 3

Tables of ASME B16 3 2011
1 Pressure–Temperature Ratings… . 5
2 Inspection Tolerances… . . . . . . . . . . 5
3 Dimensions of Class 150, 90-deg Elbows, Tees, and Crosses, and 45-deg Elbows (Straight Sizes)… . . . . . . . . . . . . . . 6
4 Dimensions of Class 150, 90-deg Elbows and Crosses (Reducing Sizes) . . . . . . . . . . . . . 7
5 Dimensions of Class 150 Tees (Reducing Sizes).. . . 8
6 Dimensions of Class 150, 45-deg Y-Branches (Straight Sizes). . . . . . . 9
7 Dimensions of Class 150 Street Tees and 90-deg and 45-deg Street Elbows . . . . . . . . . . 10
8 Dimensions of Class 150 Couplings (Straight and Reducing Sizes). . 11
9 Dimensions of Class 150 Caps… . 12 ANSI ASME B16 3 2011
10 Dimensions of Class 150, Closed-, Medium-, and Open-Pattern Return Bends . . . . . . 13
11 Dimensions of Class 300, 90-deg Elbows, Tees, and Crosses, and 45-deg Elbows (Straight Sizes)… . . .14
12 Center-to-End Dimensions of Class 300, 90-deg Elbows (Reducing Sizes) . . . . . . . . . . . 14
13 Center-to-End Dimensions of Class 300 Tees (Reducing Sizes). . . . . . 15
14 Dimensions of Class 300 Couplings.. . . . . . . . . . . . . . 16
15 Dimensions of Class 300 Reducing Couplings.. . . . 17
16 Dimensions of Class 300 Caps… . 18
17 Dimensions of Class 300, 90-deg and 45-deg Street Elbows. . . . . . . . . 19
18 Dimensions of Class 300 Return Bends.. . . . . . . . . . .
19 Mandatory Appendices I Dimensions of Fittings in U.S. Customary Units.. . 21 ASME B16 3 2011
II References…. . . . . 38 Nonmandatory Appendix A Quality System Program… . . . . . . . 39

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