Product Overview
The Rexroth A10VSO 71 DR /31R-PPA12N00 is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for open-circuit industrial hydraulic systems. Featuring a swashplate design with axial pistons, this pump delivers precise, load-sensing pressure and flow control through its DR (pressure controller) configuration. With a nominal displacement of 71 cm³/rev, the A10VSO series is renowned for its high power density, excellent suction characteristics, and long service life. The /31R series designation indicates a specific generation with optimized control response and improved efficiency, making it a preferred choice for demanding continuous-duty applications in plastics machinery, metallurgical equipment, and heavy industrial presses.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Axial Piston Variable Displacement Pump |
| Model Designation | A10VSO 71 DR /31R-PPA12N00 |
| Nominal Displacement | 71 cm³/rev |
| Control Type | DR — Pressure Controller (constant pressure) |
| Operating Pressure | Up to 280 bar continuous / 350 bar peak |
| Mounting & Connection | SAE flange mounting; ISO standard port connections |
| Direction of Rotation | Clockwise (viewed from drive shaft) |
| Shaft Type | Spline shaft (PPA12N00 configuration) |
Engineering Features & Advantages
- Precision Performance: Swashplate axial piston design with DR pressure controller maintains constant system pressure by automatically adjusting displacement to match load demand, reducing energy consumption and heat generation.
- High Power Density: Compact footprint delivers up to 280 bar continuous operating pressure with excellent volumetric and mechanical efficiency across the full speed range.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with robust bearing design, hardened piston shoes, and optimized lubrication for extended service intervals.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth A10VSO series mounting and port standards, ensuring drop-in replacement without system modification.
- Optimized Control Response: The /31R generation features refined control piston and spring assembly for faster pressure compensation and reduced pressure overshoot during dynamic load changes.
Typical Industrial Applications
This pump is ideally suited for plastic injection molding machines requiring precise pressure holding, metallurgical presses and rolling mills, heavy-duty construction and marine hydraulic systems, and CNC machine tools where stable flow and pressure control are critical. It is also widely deployed in die-casting machines, hydraulic power units, and general industrial test stands demanding reliable variable displacement performance.
PRODUCT IMAGES
REXROTH A10VSO 71 DR /31R-PPA12N00 Axial Piston Variable Displacement Pump
⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine REXROTH A10VSO 71 DR /31R-PPA12N00 Axial Piston Variable Displacement Pump. This German-made hydraulic pump features a pressure-controlled design, delivering reliable, high-efficiency fluid power for heavy-duty industrial systems.
