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China center hole hydraulic jack

The China center hole hydraulic jack is usually used to the construction of bridge and buildings, railway and subway, water conservancy and hydropower engineering and China center hole hydraulic jack is suitable for the tension of group anchors with 1860-2000 sizes, Φ15.24, Φ12.7 strands.

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The China center hole hydraulic jack is a special jack for prestressing bars, such as tensile steel hinge lines.
The China center hole hydraulic jack needs to be used with the tensioning oil pump, and the power of the tensioning and the back top is provided by the high pressure oil of the tensioning oil pump.
According to the different structure, it can be divided into the front card jack and the core jack.
post tension mono jack
post tension mono jack
The China center hole hydraulic jack has a compact structure, stable work in tension, high oil pressure and large tensile force. China center hole hydraulic jack is widely used in prestressed construction projects such as highway Bridges, railway Bridges, hydroelectric DAMS and high-rise buildings.
The tension force of the prestressed tensioning jack is accurate or not, which will directly affect the engineering quality and safety production.
Therefore, it is very important to calibrate it and provide accurate and reliable test data.
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