For 6B Studded Flange Connections with R Gaskets

| Flange | Pressure | Stud | Tap End | Nut End | Overall |
| Size | Rating (PSI) | Diameter | Length | Length | Length |
| 2-1/16" |
2000 |
0.625 |
0.761 |
1.563 |
3.375 |
| 2-1/16" |
3000 |
0.875 |
1.042 |
2.188 |
4.375 |
| 2-1/16" |
5000 |
0.875 |
1.042 |
2.188 |
4.375 |
| 2-9/16" |
2000 |
0.750 |
0.900 |
1.875 |
3.750 |
| 2-9/16" |
3000 |
1.000 |
1.188 |
2.500 |
4.750 |
| 2-9/16" |
5000 |
1.000 |
1.188 |
2.500 |
4.750 |
| 3-1/8" |
2000 |
0.750 |
0.900 |
1.875 |
3.875 |
| 3-1/8" |
3000 |
0.875 |
1.042 |
2.188 |
4.375 |
| 3-1/8" |
5000 |
1.125 |
1.313 |
2.813 |
5.250 |
| 4-1/16" |
2000 |
0.875 |
1.042 |
2.188 |
4.375 |
| 4-1/16" |
3000 |
1.125 |
1.313 |
2.813 |
5.125 |
| 4-1/16" |
5000 |
1.250 |
1.438 |
3.125 |
5.750 |
| 5-1/8" |
2000 |
1.000 |
1.188 |
2.500 |
4.875 |
| 5-1/8" |
3000 |
1.250 |
1.438 |
3.125 |
5.625 |
| 5-1/8" |
5000 |
1.500 |
1.688 |
3.750 |
7.000 |
| 7-1/16" |
2000 |
1.000 |
1.188 |
2.500 |
5.000 |
| 7-1/16" |
3000 |
1.125 |
1.313 |
2.813 |
5.625 |
| 7-1/16" |
5000 |
1.375 |
1.563 |
3.438 |
7.250 |
| 9" |
2000 |
1.125 |
1.313 |
2.813 |
5.625 |
| 9" |
3000 |
1.375 |
1.563 |
3.438 |
6.375 |
| 9" |
5000 |
1.625 |
1.813 |
4.063 |
8.125 |
| 11" |
2000 |
1.250 |
1.438 |
3.125 |
6.125 |
| 11" |
3000 |
1.375 |
1.563 |
3.438 |
6.625 |
| 11" |
5000 |
1.875 |
2.063 |
4.688 |
9.250 |
| 13-5/8" |
2000 |
1.250 |
1.438 |
3.125 |
6.250 |
| 13-5/8" |
3000 |
1.375 |
1.563 |
3.438 |
7.000 |
| 16-3/4" |
2000 |
1.500 |
1.688 |
3.750 |
7.125 |
| 16-3/4" |
3000 |
1.625 |
1.813 |
4.063 |
8.000 |
| 21-1/4" |
2000 |
1.625 |
1.813 |
4.063 |
8.000 |
| 20-3/4" |
3000 |
2.000 |
2.188 |
5.000 |
9.625 |