Jack and Pump
YYH Onion Jack
Application: a special tool for the on-site embossing of the steel strand of the H-shaped anchorage in the prestress construction.
The steel strand onion jack is a special extrusion equipment for making H shaped fixed-end anchorage. It is mainly used to press the fixed end of the prestressed steel strand into a pear-shaped scattered flower shape. Replace the tool wedge that clamps the steel strand, which can be used for other specifications of the steel strand.
- The piston head in the top pressure cylinder has a large diameter, and the work can be completed under a lower pressure.
- The frame is made of high-quality carbon structural steel plate with a thickness of 4mm, which has high strength and firm and reliable welding.
- The tool wedge is made of 20CrMnTi material, which has a long life.
Specification of YYH Onion Jack
Nominal Pressure (MPa)
Nominal Force (kN)
Cylinder Area (mm2)
Return Pressure (MPa)
For Strand Diameter (mm)