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Dimension Table
| Nominal Pipe Size (inches) |
| Ring |
ANSI (LB) |
API/ANSI (LB) |
MSS SP 44 (LB) |
|
|
| No: |
150 |
300-600 |
900 |
1500 |
2500 |
720-900 |
2000 |
3000 |
5000 |
150 |
300-600 |
900 |
| R-11 |
|
1/2 |
|
|
|
|
|
|
|
|
|
|
| R-12 |
|
|
1/2 |
1/2 |
|
|
|
|
|
|
|
|
| R-13 |
|
3/4 |
|
|
1/2 |
|
|
|
|
|
|
|
| R-14 |
|
|
3/4 |
3/4 |
|
|
|
|
|
|
|
|
| R-15 |
1 |
|
|
|
|
|
|
|
|
|
|
|
| R-16 |
|
1 |
1 |
1 |
3/4 |
|
1 |
1 |
1 |
1 |
|
|
| R-17 |
1 1/4 |
|
|
|
|
|
|
|
|
|
|
|
| R-18 |
|
1 1/4 |
1 1/4 |
1 1/4 |
1 |
1 1/4 |
1 1/4 |
1 1/4 |
1 1/4 |
|
|
|
| R-19 |
1 1/2 |
|
|
|
|
|
|
|
|
|
|
|
| R-20 |
|
1 1/2 |
1 1/2 |
1 1/2 |
|
1 1/2 |
1 1/2 |
1 1/2 |
1 1/2 |
|
|
|
| R-21 |
|
|
|
|
1 1/4 |
|
|
|
|
|
|
|
| R-22 |
2 |
|
|
|
|
|
|
|
|
|
|
|
| R-23 |
|
2 |
|
|
1 1/2 |
2 |
2 |
|
|
|
|
|
| R-24 |
|
|
2 |
2 |
|
|
|
2 |
2 |
|
|
|
| R-25 |
2 1/2 |
|
|
|
|
|
|
|
|
|
|
|
| R-26 |
|
2 1/2 |
|
|
2 |
2 1/2 |
2 1/2 |
|
|
|
|
|
| R-27 |
|
|
2 1/2 |
2 1/2 |
|
|
|
2 1/2 |
2 1/2 |
|
|
|
| R-28 |
|
|
|
|
2 1/2 |
|
|
|
|
|
|
|
| R-29 |
3 |
|
|
|
|
|
|
|
|
|
|
|
| R-30 |
|
3 |
|
|
|
|
|
|
|
|
|
|
| R-31 |
|
3 |
3 |
|
|
3 |
3 |
3 |
|
|
|
|
| R-32 |
|
|
|
|
3 |
|
|
|
|
|
|
|
| R-33 |
3 1/2 |
|
|
|
|
|
|
|
|
|
|
|
| R-34 |
|
3 1/2 |
|
|
|
|
|
|
|
|
|
|
| R-35 |
|
|
|
3 |
|
|
|
|
|
|
|
|
| R-36 |
4 |
|
|
|
|
|
|
|
|
|
|
|
| R-37 |
|
4 |
4 |
|
|
4 |
4 |
4 |
3 1/2 |
|
|
|
| R-38 |
|
|
|
|
4 |
|
|
|
|
|
|
|
| R-39 |
|
|
|
4 |
|
|
|
|
4 |
|
|
|
| R-40 |
5 |
|
|
|
|
|
|
|
|
|
|
|
| R-41 |
|
5 |
5 |
|
|
5 |
5 |
5 |
|
|
|
|
| R-42 |
|
|
|
|
5 |
|
|
|
|
|
|
|
| R-43 |
6 |
|
|
|
|
|
|
|
|
|
|
|
| R-44 |
|
|
|
5 |
|
|
|
|
5 |
|
|
|
| R-45 |
|
6 |
6 |
|
|
6 |
6 |
6 |
|
|
|
|
| R-46 |
|
|
|
6 |
|
|
|
|
6 |
|
|
|
| R-47 |
|
|
|
|
6 |
|
|
|
|
|
|
|
| R-48 |
8 |
|
|
|
|
|
|
|
|
|
|
|
| R-49 |
|
8 |
8 |
|
|
8 |
8 |
8 |
|
|
|
|
| R-50 |
|
|
|
8 |
|
|
|
|
8 |
|
|
|
| R-51 |
|
|
|
|
8 |
|
|
|
|
|
|
|
| R-52 |
10 |
|
|
|
|
|
|
|
|
|
|
|
| R-53 |
|
10 |
10 |
|
|
10 |
10 |
10 |
|
|
|
|
| R-54 |
|
|
|
10 |
|
|
|
|
10 |
|
|
|
| R-55 |
|
|
|
|
10 |
|
|
|
|
|
|
|
| R-56 |
12 |
|
|
|
|
|
|
|
|
|
|
|
| R-57 |
|
12 |
12 |
|
|
12 |
12 |
12 |
|
|
12 |
12 |
| R-58 |
|
|
|
12 |
|
|
|
|
|
|
|
|
| R-59 |
14 |
|
|
|
|
|
|
|
|
|
|
|
| R-60 |
|
|
|
|
12 |
|
|
|
|
|
|
|
| R-61 |
|
14 |
|
|
|
14 |
14 |
14 |
|
|
14 |
|
| R-62 |
|
|
14 |
|
|
|
|
|
|
|
|
14 |
| R-63 |
|
|
|
14 |
|
|
|
|
|
|
|
|
| R-64 |
16 |
|
|
|
|
|
|
|
|
|
|
|
| R-65 |
|
16 |
|
|
|
16 |
16 |
|
|
|
16 |
|
| R-66 |
|
|
16 |
|
|
|
|
16 |
|
|
|
16 |
| R-67 |
|
|
|
16 |
|
|
|
|
|
|
|
|
| R-68 |
18 |
|
|
|
|
|
|
|
|
|
|
|
| R-69 |
|
18 |
|
|
|
18 |
18 |
|
|
|
18 |
|
| R-70 |
|
|
18 |
|
|
|
|
18 |
|
|
|
18 |
| R-71 |
|
|
|
18 |
|
|
|
|
|
|
|
|
| R-72 |
20 |
|
|
|
|
|
|
|
|
|
|
|
| R-73 |
|
20 |
|
|
|
20 |
20 |
|
|
|
20 |
|
| R-74 |
|
|
20 |
|
|
|
|
20 |
|
|
|
20 |
| R-75 |
|
|
|
20 |
|
|
|
|
|
|
|
|
| R-76 |
24 |
|
|
|
|
|
|
|
|
|
|
|
| R-77 |
|
24 |
|
|
|
|
|
|
|
|
24 |
|
| R-78 |
|
|
24 |
|
|
|
|
|
|
|
|
24 |
| R-79 |
|
|
|
24 |
|
|
|
|
|
|
|
|
| R-80 |
|
|
|
|
|
|
|
|
|
22 |
|
|
| R-81 |
|
|
|
|
|
|
|
|
|
|
22 |
|
| R-82 |
|
|
|
|
|
|
|
|
1 |
|
|
|
| R-84 |
|
|
|
|
|
|
|
|
1 1/2 |
|
|
|
| R-85 |
|
|
|
|
|
|
|
|
2 |
|
|
|
| R-86 |
|
|
|
|
|
|
|
|
2 1/2 |
|
|
|
| R-87 |
|
|
|
|
|
|
|
|
3 |
|
|
|
| R-88 |
|
|
|
|
|
|
|
|
4 |
|
|
|
| R-89 |
|
|
|
|
|
|
|
|
3 1/2 |
|
|
|
| R-90 |
|
|
|
|
|
|
|
|
5 |
|
|
|
| R-91 |
|
|
|
|
|
|
|
|
10 |
|
|
|
| R-92 |
|
|
|
|
|
|
|
|
|
|
|
|
| R-93 |
|
|
|
|
|
|
|
|
|
|
26 |
|
| R-94 |
|
|
|
|
|
|
|
|
|
|
28 |
|
| R-95 |
|
|
|
|
|
|
|
|
|
|
30 |
|
| R-96 |
|
|
|
|
|
|
|
|
|
|
32 |
|
| R-97 |
|
|
|
|
|
|
|
|
|
|
34 |
|
| R-98 |
|
|
|
|
|
|
|
|
|
|
36 |
|
| R-99 |
|
|
|
|
|
|
|
8 |
8 |
|
|
|
| R-100 |
|
|
|
|
|
|
|
|
|
|
|
26 |
| R-101 |
|
|
|
|
|
|
|
|
|
|
|
28 |
| R-102 |
|
|
|
|
|
|
|
|
|
|
|
30 |
| R-103 |
|
|
|
|
|
|
|
|
|
|
|
32 |
| R-104 |
|
|
|
|
|
|
|
|
|
|
|
34 |
| R-105 |
|
|
|
|
|
|
|
|
|
|
|
36 |
|