
Single-stage automatic reset gear hydraulic bolt tensioner
Single-stage automatic reset gear hydraulic bolt tensioner
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Product Description
Product Line:Single-stage automatic reset gear hydraulic bolt tensioner
- •Manufactured from ultra-high-strength alloy steel for superior corrosion and wear resistance with exceptional durability.
- •Universal bolt tensioner for all sizes; simple operation with high precision.
- •Over-travel protection device - Safety valve to prevent seal damage and ensure operator safety.
- •Automated return mechanism design for improved efficiency and reduced physical strain.
- •High stress tolerance, compact size, lightweight
- •Supports manual, pneumatic hydraulic, and electric pumps; multiple tensioners can be synchronized for bolt removal and tightening via a manifold.
- •Tailored to your site requirements. Standard operating pressure: 150 MPa.
- •Increase efficiency by turning the gear with a ratchet wrench.
Considered Secure
The manufacturer's rated load and stroke are maximum safety limits. Best practice recommends using no more than 80% of these ratings!
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Technical Specifications
| Model | Bolt Diameter | Tensile Force (kN) | Hydraulic Area (kg) | A (mm) | B (mm) | C (mm) | D (mm) | E (mm) | F (mm) | Stroke (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| QHT18 | M18 | 140 | 1256 | 70 | 60 | 45 | 29 | / | 140 | 8 |
| QHT24 | M24 | 240 | 1500 | 80 | 68 | 50 | 35 | / | 140 | 8 |
| QHT27 | M27 | 305 | 1906 | 90 | 75 | 55 | 38 | / | 160 | 8 |
| QHT30 | M30 | 340 | 2125 | 96 | 79 | 59 | 42 | / | 160 | 8 |
| QHT36 | M36 | 455 | 2645 | 105 | 82 | 62 | 45 | / | 151 | 8 |
| QHT39 | M39 | 565 | 3532 | 110 | 88 | 70 | 45 | / | 161 | 8 |
| QHT42 | M42 | 682 | 4262 | 118 | 90 | 72 | 45 | / | 161 | 8 |
| QHT48 | M48 | 865 | 5341 | 130 | 102 | 80 | 51 | / | 171 | 8 |
| QHT56 | M56 | 1159 | 7245 | 155 | 120 | 95 | 60 | / | 200 | 8 |
| QHT64 | M64 | 1624 | 10151 | 178 | 136 | 107 | 67 | / | 225 | 10 |
| QHT72 | M72 | 2165 | 13528 | 205 | 152 | 120 | 77 | / | 265 | 10 |
| QHT80 | M80 | 2551 | 15944 | 220 | 172 | 135 | 85 | / | 280 | 10 |
| QHT90 | M90 | 3578 | 22364 | 260 | 195 | 153 | 95 | / | 310 | 10 |
| QHT100 | M100 | 3619 | 22619 | 270 | 210 | 165 | 105 | / | 340 | 10 |
| QHT105 | M105 | 4526 | 28287 | 280 | 220 | 175 | 110 | / | 360 | 10 |
| QHT110 | M110 | 5027 | 31416 | 300 | 230 | 180 | 115 | / | 370 | 10 |
| QHT125 | M125 | 6220 | 38877 | 340 | 260 | 205 | 130 | / | 420 | 10 |
| QHT140 | M140 | 7540 | 47124 | 380 | 290 | 230 | 145 | / | 465 | 10 |
| QHT160 | M160 | 8965 | 56156 | 420 | 302 | 247 | 157 | / | 500 | 12 |
| QHT160 | M160 | 9312 | 58198 | 430 | 315 | 255 | 167 | / | 530 | 12 |
| QHT170 | M170 | 10566 | 66973 | 460 | 335 | 270 | 177 | / | 560 | 12 |



