BS 10 — Plate & blind flange — Table H
BS 10 Plate & blind flange — Table H — 22 sizes.
| Size (NB) | Outside dia (OD) (mm) | Bore / ID (plate) (mm) | Thickness — plate RF (mm) | Thickness — blind RF (mm) | PCD (web ref.) (mm) | No. of bolts (web ref.) | Bolt size (web ref.) (mm) |
|---|---|---|---|---|---|---|---|
| 15 | 114.3 | 23.3 | 12.7 | 12.7 | 82.6 | 4 | 15.9 |
| 20 | 114.3 | 28.7 | 12.7 | 12.7 | 82.6 | 4 | 15.9 |
| 25 | 120.7 | 35.4 | 14.3 | 14.3 | 87.3 | 4 | 15.9 |
| 32 | 133.4 | 44.2 | 17.5 | 17.5 | 98.4 | 4 | 15.9 |
| 40 | 139.7 | 50.3 | 17.5 | 17.5 | 104.8 | 4 | 15.9 |
| 50 | 165.1 | 62.3 | 19.1 | 19.1 | 127 | 4 | 15.9 |
| 65 | 184.2 | 75 | 19.1 | 19.1 | 146.1 | 8 | 15.9 |
| 80 | 203.2 | 90.9 | 22.2 | 22.2 | 165.1 | 8 | 15.9 |
| 90 | 215.9 | 103.6 | 22.2 | 22.2 | — | — | — |
| 100 | 228.6 | 116.3 | 25.4 | 25.4 | 190.5 | 8 | 15.9 |
| 125 | 279.4 | 143.3 | 28.6 | 28.6 | 235 | 8 | 19.1 |
| 150 | 304.8 | 170.3 | 28.6 | 28.6 | 260.4 | 12 | 19.1 |
| 175 | 336.6 | 192.5 | 31.8 | 31.8 | — | — | — |
| 200 | 368.3 | 221.1 | 31.8 | 31.8 | 323.9 | 12 | 19.1 |
| 225 | 406.4 | 246.5 | 34.9 | 34.9 | — | — | — |
| 250 | 431.8 | 275 | 34.9 | 34.9 | 381 | 12 | 22.2 |
| 300 | 489 | 325.9 | 38.1 | 38.1 | 438.2 | 16 | 22.2 |
| 350 | 552.5 | 357.6 | 41.3 | 41.3 | 495.3 | 16 | 25.4 |
| 400 | 609.6 | 408.4 | 44.5 | 44.5 | 552.5 | 20 | 25.4 |
| 450 | 673.1 | 459.2 | 47.6 | 47.6 | 609.6 | 20 | 28.6 |
| 500 | 736.6 | 510 | 50.8 | 50.8 | 673.1 | 24 | 28.6 |
| 600 | 850.9 | 611.6 | 57.2 | 57.2 | 781.1 | 24 | 31.8 |
- PLATE FF thickness identical to PLATE thickness for every size; FF column omitted.
- BLIND FF thickness identical to BLIND thickness for every size; FF column omitted.