Introduction of Hollow Plunger Hydraulic Jack：
The bridge construction project is very complicated. The reliability of the equipment directly affects the success or failure of the project.
In the bridge erection project, an electric pump station can provide power for 4 to 32 (or more) synchronous lock nut jacks, and synchronous lock nut jacking can be used to install or replace bridge support pads.
Bridge Maintenance, Bridge Lifting and Bearing Replacement
Lifting, Falling, Weighing for Heavy Construction
Center of gravity measurement, reinforcement support/load transfer from temporary support to fixed support
Heavy equipment installation, bridge section pushing and box jacking.
Parameters of Hollow Plunger Hydraulic Jack:
Model | tonnageTon | Stroke mm | Body height mm | Stretch height mm | Cylinder outside diameter D(mm) | Weight Kg | Maximum working pressure Mpa(bar) |
DS-50×4 | 5 | 6.35 | 40 | 46.35 | 64×52 | 1.0 | 40(400) |
DS-100×4 | 10 | 11.2 | 48 | 59.2 | 83×66 | 1.4 | 63 (630) |
DS-200×4 | 20 | 11.2 | 56 | 67.2 | 100×84 | 3.1 | 63 (630) |
DS-300×4 | 30 | 12.7 | 66 | 78.7 | 128×105 | 4.5 | 63 (630) |
DS-500×4 | 50 | 16 | 75 | 91 | 145×128 | 6.8 | 63 (630) |
DS-750×4 | 75 | 16 | 86 | 102 | 188×158 | 11.4 | 63 (630) |
DS-1000×4 | 100 | 16 | 96 | 112 | 208×182 | 14.5 | 63 (630) |
DS-1500×4 | 150 | 16 | 106 | 122 | 250×220 | 26.3 | 63 (630) |
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