Type- Carbon steel, BS 1387; welded Black, Sandblasted
BSPT, ISO7/1.

| Size | Threaded Tube BS 1387 | Length | ||||||
| O.D. B, mm | Wall thickness S, mm | Running nipples | Barrel nipples | |||||
| DN | inch | Light | Medium
/ Heavy |
Light | Medium | Heavy | L,mm | L, mm |
| 6 | 1/8 | 10.2 | 10.2 | 1.6 | 2.0 | 16 | 30mm – 2500mm | |
| 8 | 1/4 | 13.6 | 13.9 | 1.8 | 2.3 | 2.9 | 18 | 30mm – 2500mm |
| 10 | 3/8 | 17.1 | 17.4 | 1.8 | 2.3 | 2.9 | 22 | 30mm – 2500mm |
| 15 | 1/2 | 21.4 | 21.7 | 2.0 | 2.6 | 3.2 | 25 | 30mm – 2500mm |
| 20 | 3/4 | 26.9 | 27.2 | 2.3 | 2.6 | 3.2 | 30 | 30mm – 2500mm |
| 25 | 1 | 33.8 | 34.2 | 2.6 | 3.2 | 4.0 | 35 | 30mm – 2500mm |
| 32 | 11/4 | 42.5 | 42.9 | 2.6 | 3.2 | 4.0 | 38 | 30mm – 2500mm |
| 40 | 11/2 | 48.4 | 48.8 | 2.9 | 3.2 | 4.0 | 38 | 30mm – 2500mm |
| 50 | 2 | 60.2 | 60.8 | 2.9 | 3.6 | 4.5 | 45 | 30mm – 2500mm |
| 65 | 21/2 | 76.0 | 76.6 | 3.2 | 3.6 | 4.5 | 55 | 30mm – 2500mm |
| 80 | 3 | 88.7 | 89.5 | 3.2 | 4.0 | 5.0 | 60 | 30mm – 2500mm |
| 100 | 4 | 113.9 | 114.9 | 3.6 | 4.5 | 5.4 | 70 | 30mm – 2500mm |
| 125 | 5 | 139.7 | 5.0 | 5.4 | 85 | 30mm – 2500mm | ||
| 150 | 6 | 165.1 | 5.0 | 5.4 | 100 | 30mm – 2500mm | ||