ZB4-600

To supply high-pressure, stable, and controllable hydraulic oil to prestressing jacks (typically at pressures of 50–80 MPa) To drive the jacks to tension steel strands or reinforcing bars, thereby applying prestressing using the pre-tensioning or post-tensioning method

Z32x2-50

To supply high-pressure, stable, and controllable hydraulic oil to prestressing jacks (typically at pressures of 50–80 MPa) To drive the jacks to tension steel strands or reinforcing bars, thereby applying prestressing using the pre-tensioning or post-tensioning method

Prototype with dual circuits

Solenoid-operated single-circuit oil pump = a hydraulic power unit featuring a single oil circuit (with only one high-pressure outlet and return line) and an integrated solenoid directional control/unloading valve, specifically designed for precise, electronically controlled, and pressure-maintaining operation of a single actuator (single jack or single cylinder).

Single-loop prototype

Solenoid-operated single-circuit oil pump = a hydraulic power unit featuring a single oil circuit (with only one high-pressure outlet and return line) and an integrated solenoid directional control/unloading valve, specifically designed for precise, electronically controlled, and pressure-maintaining operation of a single actuator (single jack or single cylinder).

Dual-circuit solenoid valve

Solenoid-operated single-circuit oil pump = a hydraulic power unit featuring a single oil circuit (with only one high-pressure outlet and return line) and an integrated solenoid directional control/unloading valve, specifically designed for precise, electronically controlled, and pressure-maintaining operation of a single actuator (single jack or single cylinder).

Single-circuit solenoid valve

Solenoid-operated single-circuit oil pump = a hydraulic power unit featuring a single oil circuit (with only one high-pressure outlet and return line) and an integrated solenoid directional control/unloading valve, specifically designed for precise, electronically controlled, and pressure-maintaining operation of a single actuator (single jack or single cylinder).

Integrated Mortar Pump

The integrated design of the mixing and storage tank and pumping mechanism eliminates the need for a separate mixer. The feeding, mixing and conveying are completed in one go. It can transport cement mortar, cement slurry and grouting material, and is mostly used in small-scale grouting, repair, plastering and prestressed assisted grouting construction site scenarios.

Twin-Cylinder Slurry Pump

The dual-cylinder grouting pump uses two oil cylinders to alternately suck and discharge grout, resulting in continuous discharge without pulses, high pressure, and stable flow. Compared with the single-cylinder pump, it has higher efficiency and better pressure stabilization effect, making it the main equipment for large-scale grouting projects in roads, bridges, tunnels, mines, and foundation pits.

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