Product Overview
The Rexroth A10VSO28DFR1/31R-VPA12N00 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 flow control through its integrated DFR1 pressure and flow compensator. The A10VSO series is globally recognized for its high power density, excellent suction characteristics, and long service life, making it the benchmark choice for demanding continuous-duty applications. With a nominal displacement of 28 cm³/rev and a size 31 frame, this pump provides reliable, energy-efficient hydraulic power for a wide range of industrial machinery.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Axial Piston Variable Displacement Pump |
| Model Designation | A10VSO28DFR1/31R-VPA12N00 |
| Nominal Displacement | 28 cm³/rev |
| Control Type | DFR1 — Pressure & Flow (Load-Sensing) Compensator |
| Operating Pressure | Up to 280 bar (continuous), 350 bar (peak) |
| Mounting & Connection | SAE / ISO Standard Flange, Splined Drive Shaft |
| Direction of Rotation | Clockwise (R — viewed from shaft end) |
Engineering Features & Advantages
- Precision Swashplate Performance: Axial piston design with hardened swashplate and precision-ground pistons ensures high volumetric efficiency and consistent flow output across the full pressure range.
- DFR1 Load-Sensing Control: Integrated pressure and flow compensator automatically adjusts displacement to match system demand, minimizing energy loss and heat generation in open-circuit systems.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with robust bearing design, high-quality cylinder barrel, and optimized suction characteristics for high-speed operation.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth A10VSO series mounting and port configurations, ensuring drop-in replacement without system modification.
Typical Industrial Applications
This pump is ideally suited for plastic injection molding machines, metallurgical presses, CNC machine tools, and general industrial hydraulic power units requiring precise pressure and flow control in open-circuit configurations. It is also commonly deployed in construction machinery, marine hydraulic systems, and automated production lines where energy efficiency and reliable variable displacement performance are critical.
PRODUCT IMAGES
REXROTH A10VSO28DFR1/31R-VPA12N00 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 A10VSO28DFR1/31R-VPA12N00 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.
