The STS imperial bolt tensioner range is designed for topside operation in a wide variety of applications including pipeline flanges, heat exchangers, pressure vessels, compressor covers, boiler feed pumps, anchor bolts and many others.
The range comprises of 26 imperial size options ranging from ¾” to 4” stud diameter and all models are suitable for working pressures up to 21,750 psi.
| Model no. | Bolt Thread Size | Threads Per Inch | Capacity (KN) | Capacity (Tonnes) | Effective Area inch2 | Stroke inch | Weight lbs | DIMENSIONS (inch) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | ||||||||
| STS1-075B1 | 3/4” | 10 | 234 | 26 | 2.42 | 0.39 | 3.7 | 2.92 | 1.10 | 2.92 | 3.55 | 1.77 | 2.01 |
| STS1-087B1 | 7/8” | 9 | 234 | 26 | 2.42 | 0.39 | 3.7 | 2.92 | 1.10 | 2.92 | 3.55 | 1.77 | 2.13 |
| STS1-100B2 | 1” | 8 | 234 | 26 | 2.42 | 0.39 | 3.7 | 2.92 | 1.18 | 3.15 | 3.86 | 1.77 | 2.40 |
| STS1-112B2 | 1 1/8” | 8 | 234 | 26 | 2.42 | 0.39 | 3.7 | 2.92 | 1.18 | 3.15 | 3.86 | 1.77 | 2.52 |
| STS2-125B1 | 1 1/4” | 8 | 457 | 51 | 4.73 | 0.59 | 7.7 | 4.02 | 1.54 | 4.06 | 5.04 | 2.13 | 2.92 |
| STS2-137B1 | 1 3/8” | 8 | 457 | 51 | 4.73 | 0.59 | 7.7 | 4.02 | 1.54 | 4.06 | 5.04 | 2.13 | 3.03 |
| STS2-150B1 | 1 1/2” | 8 | 457 | 51 | 4.73 | 0.59 | 7.7 | 4.02 | 1.54 | 4.06 | 5.04 | 2.13 | 3.15 |
| STS3-162B1 | 1 5/8” | 8 | 822 | 92 | 8.49 | 0.59 | 13.4 | 5.24 | 1.85 | 4.53 | 5.91 | 2.21 | 3.62 |
| STS3-175B1 | 1 3/4” | 8 | 822 | 92 | 8.49 | 0.59 | 13.4 | 5.24 | 1.85 | 4.53 | 5.91 | 2.21 | 3.66 |
| STS3-175B2 | 1 3/4” | 8 | 822 | 92 | 8.49 | 0.59 | 13.4 | 5.24 | 1.97 | 4.61 | 6.11 | 2.21 | 4.10 |
| STS3-187B1 | 1 7/8” | 8 | 822 | 92 | 8.49 | 0.59 | 13.4 | 5.24 | 1.85 | 4.53 | 5.91 | 2.21 | 3.82 |
| STS3-187B2 | 1 7/8” | 8 | 822 | 92 | 8.49 | 0.59 | 13.4 | 5.24 | 1.97 | 4.61 | 6.11 | 2.21 | 4.10 |
| STS3-200B2 | 2” | 8 | 822 | 92 | 8.49 | 0.59 | 13.4 | 5.24 | 1.97 | 4.61 | 6.11 | 2.21 | 4.10 |
| STS4-187B1 | 1 7/8” | 8 | 1264 | 142 | 13.07 | 0.59 | 23.4 | 6.42 | 1.97 | 4.69 | 5.87 | 2.25 | 4.10 |
| STS4-200B1 | 2” | 8 | 1264 | 142 | 13.07 | 0.59 | 23.4 | 6.42 | 1.97 | 4.69 | 5.87 | 2.25 | 4.10 |
| STS4-200B2 | 2” | 8 | 1264 | 142 | 13.07 | 0.59 | 23.4 | 6.42 | 2.44 | 4.69 | 5.87 | 2.25 | 4.18 |
| STS4-225B2 | 2 1/4” | 8 | 1264 | 142 | 13.07 | 0.59 | 23.4 | 6.42 | 2.44 | 5.32 | 6.50 | 2.25 | 4.77 |
| STS4-250B2 | 2 1/2” | 8 | 1264 | 142 | 13.07 | 0.59 | 23.4 | 6.42 | 2.44 | 5.32 | 6.50 | 2.25 | 5.00 |
| STS5-250B1 | 2 1/2” | 8 | 1833 | 206 | 18.94 | 0.59 | 35.3 | 7.60 | 2.88 | 5.71 | 7.37 | 2.36 | 5.28 |
| STS5-275B1 | 2 3/4” | 8 | 1833 | 206 | 18.94 | 0.59 | 35.5 | 7.60 | 2.88 | 5.71 | 7.37 | 2.36 | 5.52 |
| STS5-300B1 | 3” | 8 | 1833 | 206 | 18.94 | 0.59 | 35.3 | 7.60 | 2.88 | 5.71 | 7.37 | 2.36 | 5.79 |
| STS6-300B1 | 3” | 8 | 2649 | 298 | 27.37 | 0.59 | 51.8 | 9.18 | 3.31 | 7.01 | 8.51 | 2.52 | 6.34 |
| STS6-325B1 | 3 1/4” | 8 | 2649 | 298 | 27.37 | 0.59 | 51.8 | 9.18 | 3.31 | 7.01 | 8.51 | 2.52 | 6.58 |
| STS6-350B1 | 3 1/2” | 8 | 2649 | 298 | 27.37 | 0.59 | 51.8 | 9.18 | 3.31 | 7.01 | 8.51 | 2.52 | 6.78 |
