Rexroth A10VO Piston Pump | A10VO28 A10VO45 A10VO71 | A10VO71DFR/31R
| Model Number | A10VO71DFR/31R-PSC62N00 |
|---|
Product Description
LIC Hydraulic’s Rexroth A10VO Series axial piston variable pumps are the industry benchmark for open-circuit hydraulic power. Available in displacements like A10VO28, A10VO45, and A10VO71, this series is engineered to deliver high pressure, high efficiency, and maximum versatility. Our 100% Drop-in Interchangeable models, such as the A10VO71DFR/31R-PSC62N00, feature advanced Load Sensing (DFR) control, which adjusts flow and pressure based on real-time load demand. Built for continuous operation at $280\text{ bar}$, the A10VO series offers a compact footprint and rugged durability for both mobile and industrial applications.
Technical Specifications (Quick Reference)
Series Framework: A10VO Series 31.
Displacement Range: $28, 45, 71\text{ cc/rev}$.
Rated Pressure: $280\text{ bar}$ ($4000\text{ PSI}$).
Peak Pressure: $350\text{ bar}$ ($5100\text{ PSI}$).
Control Options: DFR (Load Sensing), DR (Pressure Control), DFLR (Power Control).
Mounting: SAE 2-Bolt and 4-Bolt flanges with multiple shaft options (Keyed/Splined).
Key Technical Advantages
Load Sensing Technology (DFR): The integrated DFR compensator ensures that the pump only delivers the necessary flow and pressure required by the actuators, drastically reducing energy consumption and heat generation.
Quiet & Reliable Performance: Optimized swashplate bearings and vibration-damping valve plates provide exceptionally low noise levels even at high operational speeds.
High Power-to-Weight Ratio: The robust yet compact design allows for high power output in tight installation spaces, making it ideal for mobile equipment chassis.
Modular Extension: Features high-quality through-drive capability, allowing for the attachment of additional gear or piston pumps to drive multiple hydraulic circuits from a single input shaft.
Application Areas
Construction Machinery: Primary and secondary hydraulic circuits for excavators, cranes, and loaders.
Industrial HPUs: Powering metal forming presses, plastic injection machines, and automation lines.
Waste Management: Hydraulic drives for compactor trucks and recycling equipment.
Expert Maintenance Tips
Case Filling is Critical: Before the initial startup, fill the pump housing with clean hydraulic fluid through the highest drain port. Failure to do so will result in immediate “dry start” damage to the piston shoes and swashplate.
LS Line Bleeding: For DFR models, ensure the Load Sense signal line is bled of all air to prevent erratic pressure oscillations and ensure rapid response.
Filtration Standard: Maintain oil cleanliness to ISO 4406 19/17/14 or better. Piston pumps operate with micron-level tolerances; even small particles can lead to internal scoring and a drop in volumetric efficiency.
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