BSP hydraulic adapters feature a threaded connection system based on the British Standard Pipe thread standard. There are two types of BSP threads: BSPP and BSPT. Topol Power manufactures a comprehensive range of precision metric adapters to accommodate diverse hydraulic configuration requirements.
| PAPT NO. | THREAD | DIMENSIONS | ||||
| E | F | A | B | L | S1 | |
| 1B-02 | G1/8＂X28 | G1/8＂X28 | 10 | 10 | 26 | 14 |
| 1B-02-04 | G1/8＂X28 | G1/4＂X19 | 10 | 12 | 28 | 19 |
| 1B-04 | G1/4＂X19 | G1/4＂X19 | 12 | 12 | 30 | 19 |
| 1B-04-06 | G1/4＂X19 | G3/8＂X19 | 12 | 13.5 | 33.5 | 22 |
| 1B-04-08 | G1/4＂X19 | G1/2＂X14 | 12 | 16 | 38 | 27 |
| 1B-06 | G3/8＂X19 | G3/8＂X19 | 13.5 | 13.5 | 35 | 22 |
| 1B-06-08 | G3/8＂X19 | G1/2＂X14 | 13.5 | 16 | 39.5 | 27 |
| 1B-08 | G1/2＂X14 | G1/2＂X14 | 16 | 16 | 42 | 27 |
| 1B-08-10 | G1/2＂X14 | G5/8＂X14 | 16 | 17.5 | 43.5 | 30 |
| 1B-10 | G5/8＂X14 | G5/8＂X14 | 17.5 | 17.5 | 45 | 30 |
| 1B-10-12 | G5/8＂X14 | G3/4＂X14 | 17.5 | 18.5 | 47 | 32 |
| 1B-12 | G3/4＂X14 | G3/4＂X14 | 18.5 | 18.5 | 48 | 32 |
| 1B-12-16 | G3/4＂X14 | G1＂X11 | 18.5 | 20.5 | 52.5 | 41 |
| 1B-12-20 | G3/4＂X14 | G1.1/4＂X11 | 18.5 | 20.5 | 53.5 | 50 |
| 1B-16 | G1＂X11 | G1＂X11 | 20.5 | 20.5 | 55.5 | 41 |
| 1B-16-20 | G1＂X11 | G1.1/4＂X11 | 20.5 | 20.5 | 58 | 50 |
| 1B-16-24 | G1＂X11 | G1.1/2＂X11 | 20.5 | 23 | 60.5 | 55 |
| 1B-20 | G1.1/4＂X11 | G1.1/4＂X11 | 20.5 | 20.5 | 58 | 50 |
| 1B-20-24 | G1.1/4＂X11 | G1.1/2＂X11 | 20.5 | 23 | 60.5 | 55 |
| 1B-24 | G1.1/2＂X11 | G1.1/2＂X11 | 23 | 23 | 63 | 55 |
| 1B-24-32 | G1.1/2＂X11 | G2＂X11 | 23 | 25.5 | 66.5 | 70 |
| 1B-32 | G2＂X11 | G2＂X11 | 25.5 | 25.5 | 69 | 70 |
