Guangdong Yanhui Hydraulic Co., Ltd. is one of the leading manufacturers and suppliers of a4vg56 hydraulic piston pump in China. We warmly welcome you to wholesale bulk a4vg56 hydraulic piston pump for sale here from our factory. If you have any enquiry about pricelist and quotation, please feel free to email us.
Product Overview
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Variable hydraulic piston pumps are engineered to deliver high-performance hydraulic power with maximum efficiency and flexibility. Unlike fixed displacement pumps, these pumps can adjust their output flow according to system demand, providing energy savings, precise control, and improved equipment longevity.
Most variable piston pumps use axial piston designs with either a swash plate or bent-axis configuration. The swash plate's angle determines piston stroke length, which changes the displacement and flow while maintaining system pressure. Advanced models include pressure-compensated, load-sensing, or electro-proportional control, allowing precise flow and pressure adjustments for different operational needs.
Key Advantages
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- High volumetric efficiency
- Adjustable displacement for variable flow
- Robust design suitable for continuous operation
- Compatibility with multiple hydraulic fluids
Technical Specifications
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| Parameter | Specification |
|---|---|
| Model | A4VG56 |
| Type | Axial Piston Pump (Variable Displacement) |
| Maximum Pressure | 350 bar (5075 psi) |
| Displacement Range | 56 cm³/rev |
| Maximum Flow Rate | 180–200 L/min |
| Rated Speed | 2500 rpm |
| Rotation | Clockwise or Counterclockwise |
| Mounting Flange | SAE standard |
| Hydraulic Fluid Temperature | -20°C to 80°C |
| Fluid Compatibility | Mineral oil, HLP/HVLP type fluids |
| Efficiency | Volumetric: >92%, Overall: >88% |
| Weight | Approx. 80 kg |
Applications
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- Construction machinery: excavators, loaders, and cranes
- Industrial machinery: presses, injection molding machines, and machine tools
- Agricultural machinery: tractors, harvesters, and sprayers
- Marine applications: winches, steering systems, and deck machinery
- Mobile equipment requiring precise hydraulic control and energy efficiency
Related Models
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- A4VG28
- A4VG45
- A4VG71
- A4VG90
These models offer different displacements and flow rates while maintaining similar performance characteristics. Our team can help you select the right model based on your application requirements.
FAQ
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Q1: What is the maximum pressure rating of the A4VG56 pump?
A1: The maximum operating pressure is 350 bar (5075 psi).
Q2: Can this pump handle different hydraulic fluids?
A2: Yes, it is compatible with mineral oil-based fluids including HLP and HVLP types.
Q3: Is the pump adjustable for variable flow?
A3: Yes, it features a swashplate design allowing variable displacement and flow adjustment.
Q4: How long is the typical lifespan of this pump?
A4: With proper maintenance, the pump can operate reliably for several thousand hours.
Q5: Does Yanhui Hydraulic supply original brand pumps only?
A5: Yes, we only provide 100% original factory parts from top hydraulic brands to ensure quality and reliability.
Contact Us
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Request a Quote Today to ensure your hydraulic system performs at its best with genuine Nachi components from Yanhui Hydraulic.
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