| Rexroth A4VSO Series Axial Piston Variable Pump |
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| Product Overview |
| The Rexroth A4VSO is a high-performance axial piston pump with
swashplate design, engineered for open-circuit hydraulic systems.
Its variable displacement mechanism enables precise flow control,
making it ideal for industrial and mobile applications requiring
energy efficiency and dynamic response. |
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| Key Features: |
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| • Displacement Range: 28 to 500 cc/rev (multiple models available) |
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| • Pressure Rating: |
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| ◦ Maximum Operating Pressure: 350 bar (5,076 psi) |
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| ◦ Peak Pressure: 400 bar (5,802 psi) |
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| • Speed Range: Up to 3,600 rpm (model-dependent) |
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| • Control Options: |
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| ◦ Hydraulic displacement control (HD) |
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| ◦ Electro-proportional control (EP) |
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| ◦ Load-sensing control (DA) |
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| • Efficiency: >95% volumetric efficiency at rated conditions |
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| • Fluid Compatibility: Mineral oils, biodegradable fluids
(HETG/HEES) |
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| Technical Highlights: |
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| • Swashplate Design: Precision-machined for reduced noise (<70
dB(A)) and extended service life |
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| • Port Configuration: SAE flanges or threaded ports (ISO 6149) |
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| • Materials: Aluminum or cast iron housing options for corrosion
resistance |
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| • Integrated Options: Pressure relief valve, charge pump port (for
closed-loop variants) |
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| Typical Applications: |
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| • Plastic injection molding machines |
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| • Test rigs & simulation systems |
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| • Construction equipment (e.g., excavators, cranes) |
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| • Marine and offshore hydraulics |
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| Certifications & Standards: |
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| • ISO 4401, NFPA, DIN/ISO 9001 compliant |
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| • RoHS & REACH compliant |
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| Service Information: |
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| • Recommended oil viscosity: 16 to 160 mm²/s |
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| • Maintenance interval: 5,000 operating hours (standard conditions) |
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| Ordering Example: |
| A4VSO 180 EP2 D/10R-PPB13N00 |
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| • 180 cc/rev displacement |
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| • Electro-proportional control (EP2) |
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| • Clockwise rotation |
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| • SAE flange porting |
