Topside bolt tensioner – imperial – STS
Topside bolt tensioner – imperial – STS
Single acting design with manual piston retraction. High grade alloy steel construction with nitrocarburised, corrosion resistant, piston. Maximum stroke indicator to warn against piston over extension. Self-energising seals for improved performance and longevity of use at high pressure. Dual quick connect inlet and outlet couplers for easy multiple tensioner connection. Designed to fit most sizes of ANSI and API flanges and some Compact flanges. Interchangeable accessories to cover multiple stud bolt sizes using same tensioner.
Technical specifications
| Model number | Bolt thread size | Threads per inch | Capacity | Effective area | Stroke | Weight | Dimensions [mm] | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [kN] | [t] | [cm2] | [mm] | [kg] | A | B | C (min) | D | E | F | |||
| STS1-075B1 | 3/4″ | 10 | 234 | 23.9 | 15.6 | 10 | 1.7 | 74 | 28 | 74 | 90 | 45 | 51 |
| STS1-087B1 | 7/8″ | 9 | 234 | 23.9 | 15.6 | 10 | 1.7 | 74 | 28 | 74 | 90 | 45 | 54 |
| STS1-100B2 | 1″ | 8 | 234 | 23.9 | 15.6 | 10 | 1.9 | 74 | 30 | 80 | 98 | 45 | 61 |
| STS1-112B2 | 1 1/8″ | 8 | 234 | 23.9 | 15.6 | 10 | 1.9 | 74 | 30 | 80 | 98 | 45 | 64 |
| STS2-125B1 | 1 1/4″ | 8 | 457 | 46.6 | 30.5 | 15 | 3.5 | 102 | 39 | 103 | 128 | 54 | 74 |
| STS2-137B1 | 1 3/8″ | 8 | 457 | 46.6 | 30.5 | 15 | 3.5 | 102 | 39 | 103 | 128 | 54 | 77 |
| STS2-150B1 | 1 1/2″ | 8 | 457 | 46.6 | 30.5 | 15 | 35 | 102 | 39 | 103 | 128 | 54 | 80 |
| STS3-162B1 | 1 5/8″ | 8 | 822 | 83.8 | 54.8 | 15 | 6.1 | 133 | 47 | 115 | 150 | 56 | 92 |
| STS3-175B1 | 1 3/4″ | 8 | 822 | 83.8 | 54.8 | 15 | 6.1 | 133 | 47 | 115 | 150 | 56 | 93 |
| STS3-175B2 | 1 3/4″ | 8 | 822 | 83.8 | 54.8 | 15 | 6.3 | 133 | 50 | 117 | 155 | 56 | 104 |
| STS3-187B1 | 1 7/8″ | 8 | 822 | 83.8 | 54.8 | 15 | 6.1 | 133 | 47 | 115 | 150 | 56 | 97 |
| STS3-187B2 | 1 7/8″ | 8 | 822 | 83.8 | 54.8 | 15 | 6.3 | 133 | 50 | 117 | 155 | 56 | 104 |
| STS3-200B2 | 2″ | 8 | 822 | 83.8 | 54.8 | 15 | 6.3 | 133 | 50 | 117 | 155 | 56 | 104 |
| STS4-187B1 | 1 7/8″ | 8 | 1264 | 128.9 | 84.3 | 15 | 10.6 | 163 | 50 | 119 | 149 | 57 | 104 |
| STS4-200B1 | 2″ | 8 | 1264 | 128.9 | 84.3 | 15 | 10.6 | 163 | 50 | 119 | 149 | 57 | 104 |
| STS4-200B2 | 2″ | 8 | 1264 | 128.9 | 84.3 | 15 | 11.8 | 163 | 62 | 119 | 149 | 57 | 106 |
| STS4-225B2 | 2 1/4″ | 8 | 1264 | 128.9 | 84.3 | 15 | 11.8 | 163 | 62 | 135 | 165 | 57 | 121 |
| STS4-250B2 | 2 1/2″ | 8 | 1264 | 128.9 | 84.3 | 15 | 11.8 | 163 | 62 | 135 | 165 | 57 | 127 |
| STS5-250B1 | 2 1/2″ | 8 | 1833 | 186.9 | 122.2 | 15 | 16.0 | 193 | 73 | 145 | 187 | 60 | 134 |
| STS5-275B1 | 2 3/4″ | 8 | 1833 | 186.9 | 122.2 | 15 | 16.0 | 193 | 73 | 145 | 187 | 60 | 140 |
| STS5-300B1 | 3″ | 8 | 1833 | 186.9 | 122.2 | 15 | 16.0 | 193 | 73 | 145 | 187 | 60 | 147 |
| STS6-300B1 | 3″ | 8 | 2649 | 270 | 176.6 | 15 | 23.5 | 233 | 84 | 178 | 216 | 64 | 161 |
| STS6-325B1 | 3 1/4″ | 8 | 2649 | 270 | 176.6 | 15 | 23.5 | 233 | 84 | 178 | 216 | 64 | 167 |
| STS6-350B1 | 3 1/2″ | 8 | 2649 | 270 | 176.6 | 15 | 23.5 | 233 | 84 | 178 | 216 | 64 | 172 |
| STS6-375B3 | 3 3/4″ | 8 | 2649 | 270 | 176.6 | 15 | 29.1 | 233 | 105 | 205 | 257 | 64 | 191 |
| STS6-400B3 | 4″ | 8 | 2649 | 270 | 176.6 | 15 | 29.1 | 233 | 105 | 205 | 257 | 64 | 196 |
