1) The special ZLD bolt tensioner for bridges is light in weight and high in working pressure. It can still work normally under a pressure of 150MPa.
2) The special ZLD hydraulic bolt tensioner for bridges is easy to use and easy to operate. It has a fast return mechanism and a red over-travel cordon, which can greatly reduce the labor intensity of workers and ensure the safety of operators.
3) The surface of the ZLD hydraulic bolt tensioner for bridges has been polished (blackened) to prevent metal oxidation and prolong its service life.
4) The special ZLD hydraulic bolt tensioner for bridge uses double-layer packaging, aluminum-plastic box plus wooden box. TorcStark stocks a large number of ZLD bolt tensioners, which can be shipped immediately. The transportation time depends on the transportation method, and the shortest time is 3-5 days. TorcStark provides a one-year product warranty.
Dimensional Drawing
Specification Table
| Model | Tensile Force KN | Bolt size | Dimension (mm) | Stroke mm | Pressure | Weight Kg | |||
| D1 | D2 | d | H | MPa | |||||
| ZLD30 | 422 | M30 | 94 | 47 | 32 | 210 | 40 | 150 | 8.5 |
| ZLD33 | 500 | M33 | 101 | 51 | 35 | 210 | 40 | 150 | 10.1 |
| ZLD36 | 594 | M36 | 109 | 56 | 38 | 210 | 40 | 150 | 12.7 |
| ZLD39 | 727 | M39 | 121 | 61 | 42 | 210 | 40 | 150 | 14.4 |
| ZLD42 | 866 | M42 | 132 | 66 | 44 | 210 | 40 | 150 | 16.4 |
| ZLD45 | 922 | M45 | 138 | 71 | 47 | 210 | 40 | 150 | 18 |
| ZLD48 | 1027 | M48 | 147 | 76 | 50 | 210 | 40 | 150 | 21 |
| ZLD52 | 1354 | M52 | 166 | 81 | 54 | 210 | 40 | 150 | 25 |
| ZLD56 | 1413 | M56 | 171 | 86 | 58 | 277 | 40 | 150 | 32 |
| ZLD60 | 1688 | M60 | 185 | 91 | 52 | 277 | 40 | 150 | 39 |
| ZLD64 | 1830 | M64 | 193 | 96 | 66 | 277 | 40 | 150 | 48 |
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- All products are designed to exceed global data standards for high-pressure hydraulic equipment.
- Each product will undergo rigorous physical testing before shipping to ensure product quality.
- All products have passed the quality inspection of ISO9001 and EU CE and other institutions.
- Provide safe and reliable tools and industry-leading after-sales service, all products come with a 12 months comprehensive warranty service.
- The stock is sufficient and can be delivered quickly after the user places an order.
- Sufficient spare parts inventory is used for quick maintenance and long-term product operation.