Manufacturer: Daiwa Kenko
Model: DP-1J; DP-3J; DP-3J2

Preload jack DP type

1. The preload jack is used for various purposes such as preloading, dismantling of girders, refilling, repairing structural columns, and raising bridges.

2. It is also widely used due to its ease of handling and economical cost.

3. The preload jack is a set product consisting of an oil jack, a high-pressure hose, and an oil pump

DP-1 type & DP-3 type

◆ This jack is easy to operate and is used for various purposes such as loading test and on-site construction.

◆ The DP-1 and DP-3 have a built-in spring in the oil jack, so when the pre-rotation is completed and the pressure is set to “0”, the discharged piston is automatically retracted.

◆ Since the head is screwed, the length can be adjusted according to the purpose of use.

◆ The oil pump is automatically switched between high and low, and the piston discharges quickly at low pressure, and there is little resistance at high pressure, and the pressurization operation is smooth.

◆ The main body is small and lightweight and easy to move.

Combination Example

Specification