Specifications
Our underwater tensioners are characterized by their speed and efficiency, enhancing equipment reliability in deep-sea operations, improving safety, and significantly increasing efficiency.
To expand the application range of our hydraulic bolt tensioners, we stock various lengths of ultra-high-pressure hoses, ranging from 5 meters to 210 meters. A specialized winding machine is provided for the 210-meter hose.
| Model |
Applicable Bolts |
Maximum Working Pressure bar |
Maximum Load KN |
Stress Area mm² |
Maximum Stroke mm |
Weight kg |
A mm |
B mm |
C mm |
D mm |
|
| WST1 |
M20 M22 |
3/4” 7/8” |
1,500 |
140 |
943 |
20 |
≈1.7 |
66 |
96.5 |
48 |
117 |
| WST2 |
M24 M27 M30 |
1” 1-1/8” |
1,500 |
239 |
1596 |
30 |
≈3.7 |
82 |
127 |
60 |
147 |
| WST3 |
M33 M36 |
1-1/4” 1-3/8” |
1,500 |
380 |
2533 |
30 |
≈6.0 |
97 |
137 |
77 |
163 |
| WST4 |
M39 M42 |
1-1/2” 1-5/8” |
1,500 |
551 |
3676 |
30 |
≈7.0 |
111 |
145.5 |
90 |
169.25 |
| WST5 |
M45 M48 M52 |
1-3/4” 1-7/8” 2” |
1,500 |
880 |
5868 |
30 |
≈11.2 |
136 |
158 |
114 |
189 |
| WST6 |
M56 M60 M64 M72 |
2-1/4” 2-1/2” 2-3/4” |
1,500 |
1564 |
10433 |
30 |
≈21.3 |
177 |
180.5 |
140 |
223 |
| WST7 |
M76 M80 M85 M90 |
3” 3-1/4” 3-1/2” |
1,500 |
2576 |
17174 |
30 |
≈33.6 |
217 |
202 |
180 |
255.25 |
WST series underwater bolt tensioners
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Floor 2, Building 23, Haier Zhigu, 66 Guangfulin East Road, Songjiang District, Shanghai
