| Designations | Tube O.D | d | A | ℓ |
| D | ||||
|---|---|---|---|---|
| BP-06 | 6 | 8.0 | 9.0 | 13.5 |
| BP-08 | 8 | 10.0 | 11.0 | 13.5 |
| BP-10 | 10 | 12.0 | 13.0 | 14.5 |
| BP-12 | 12 | 14.0 | 15.0 | 14.5 |
| BP-15 | 15 | 17.0 | 18.0 | 16.0 |
| BP-16 | 16 | 18.0 | 19.0 | 16.0 |
| BP-18 | 18 | 20.0 | 21.0 | 17.5 |
| BP-20 | 20 | 22.0 | 23.0 | 17.5 |
| BP-22 | 22 | 24.0 | 25.0 | 17.5 |
| BP-25 | 25 | 27.4 | 28.5 | 19.0 |
| BP-28 | 28 | 30.4 | 31.5 | 19.0 |
| BP-30 | 30 | 32.4 | 33.5 | 20.0 |
| BP-32 | 32 | 34.4 | 35.5 | 20.0 |