BS 10 - 1962 TABLE H
|
Flange size designation (Nominal bore of pipe) |
Apprx. Outside diameterof steel pipe. |
Diameter of flange O.D. |
Bold circle diameter P.C.D |
No. Of Bolts |
Diameter of Bolts |
Thickness Slip onFlange. |
| inches | inches | inches | inches | inches | inches | |
| 1/2 | 27/32 | 4 1/2 | 3 1/4 | 4 | 5/8 | 1/2 |
| 3/4 | 1 1/16 | 4 1/2 | 3 1/4 | 4 | 5/8 | 1/2 |
| 1 | 1 11/32 | 4 3/4 | 3 7/16 | 4 | 5/8 | 9/16 |
| 1 1/4 | 1 11/16 | 5 1/4 | 3 7/8 | 4 | 5/8 | 11/16 |
| 1 1/2 | 1 29/32 | 5 1/2 | 4 1/8 | 4 | 5/8 | 11/16 |
| 2 | 2 3/8 | 6 1/2 | 5 | 4 | 5/8 | 3/4 |
| 2 1/2 | 3 | 7 1/4 | 5 3/4 | 8 | 5/8 | 3/4 |
| 3 | 3 1/2 | 8 | 6 1/2 | 8 | 5/8 | 7/8 |
| 3 1/2 | 4 | 8 1/2 | 7 | 8 | 5/8 | 7/8 |
| 4 | 4 1/2 | 9 | 7 1/2 | 8 | 3/4 | 1 |
| 5 | 5 1/2 | 11 | 9 1/4 | 8 | 3/4 | 1 1/8 |
| 6 | 6 5/8 | 12 | 10 1/4 | 12 | 3/4 | 1 1/8 |
| 7 | 7 5/8 | 13 1/4 | 11 1/2 | 12 | 3/4 | 1 1/4 |
| 8 | 8 5/8 | 14 1/2 | 12 3/4 | 12 | 3/4 | 1 1/4 |
| 9 | 9 5/8 | 16 | 14 | 12 | 7/8 | 1 3/4 |
| 10 | 10 3/4 | 17 | 15 | 12 | 7/8 | 1 3/8 |
| 12 | 12 3/4 | 19 1/4 | 17 1/4 | 16 | 7/8 | 1 5/8 |
| 14 | 14 | 21 3/4 | 19 1/2 | 16 | 1 | 1 7/8 |
| 16 | 16 | 24 | 21 3/4 | 20 | 1 | 2 1/8 |
| 18 | 18 | 26 1/2 | 24 | 20 | 1 1/8 | 2 3/8 |
| 20 | 20 | 29 | 26 1/2 | 24 | 1 1/8 | 2 5/8 |
| 22 | 22 | 31 | 28 1/2 | 24 | 1 1/8 | 2 3/4 |
| 24 | 24 | 33 1/2 | 30 3/4 | 24 | 1 1/4 | 3 |