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Help CenterZB2×2-50 Dual-Output Hydraulic Power Pump for Prestressed Tensioning
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English Product Details
Primary Purpose
This ZB2×2-50 electric oil pump is a purpose-built hydraulic power unit designed to supply high-pressure oil to prestressed tensioning jacks, extrusion tools, and other hydraulic equipment used in bridge and civil engineering projects. It delivers the stable, controlled power required for safe and accurate tensioning operations.
Technical Specifications
The pump features a precision plunger configuration with 10mm diameter, 6.8mm stroke, and 2×3 plungers, ensuring consistent oil delivery. It is powered by a 3kW motor running at 1420r/min, offering reliable performance with low noise. With a rated pressure of 50Mpa and a rated displacement of 2×2L/min, it meets the standard pressure and flow requirements for most prestressed jack applications.
Design and Mobility
The pump is equipped with a 42L oil tank to support extended periods of continuous use. It includes two independent oil outlets, allowing simultaneous operation of two jacks to improve work efficiency. The compact overall dimensions of 680×490×800mm, combined with a wheeled base, make it easy to move around construction sites. The unit weighs 75kg without oil and 120kg when filled, balancing stability and portability.
Key Benefits
This pump provides dual-output functionality, enabling synchronous tensioning and reducing construction time. Its robust and straightforward design minimizes maintenance needs and extends service life. It is compatible with standard hydraulic oils, helping to keep operational costs low. The pump’s proven reliability under harsh field conditions makes it a dependable choice for heavy-duty prestressed construction environments.
| Item | Specification |
|---|---|
| Model | ZB2×2-50 |
| Plunger Diameter (mm) | 10 |
| Plunger Stroke (mm) | 6.8 |
| Plunger Quantity | 2×3 |
| Motor Power (kW) | 3 |
| Motor Speed (r/min) | 1420 |
| Number of Oil Outlets | 2 |
| Rated Pressure (Mpa) | 50 |
| Rated Displacement (L/min) | 2×2 |
| Oil Tank Capacity (L) | 42 |
| Weight (kg) | 75 (without oil) / 120 (with oil) |
| Dimensions (L×W×H, mm) | 680×490×800 |
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