Product Overview
The Rexroth A4VSO 45 DR/30R-PPA12N00 (Material Number: R902428406) is a high-performance axial piston variable displacement pump engineered by Bosch Rexroth for demanding industrial hydraulic systems. Operating on the proven swashplate principle, this pump features a nominal displacement of 45 cm³/rev and is configured with a DR pressure control (constant pressure) regulator, which automatically adjusts displacement to maintain a preset system pressure regardless of load or flow demand. The A4VSO series is renowned for its robust construction, high power density, and long service life, making it a benchmark component in open-circuit industrial hydraulics. With a nominal pressure rating of 350 bar and a peak pressure capability of 400 bar, this pump delivers reliable, efficient performance in continuous-duty applications where precise pressure control and energy efficiency are critical.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Axial Piston Variable Displacement Pump |
| Model Designation | A4VSO 45 DR/30R-PPA12N00 |
| Material Number | R902428406 |
| Nominal Displacement | 45 cm³/rev |
| Control Type | DR – Pressure Control (Constant Pressure) |
| Operating Pressure | Nominal 350 bar / Peak 400 bar |
| Mounting & Connection | SAE flange mounting; ISO standard port connections |
| Direction of Rotation | Clockwise (viewed from drive shaft) |
| Circuit Type | Open Circuit |
Engineering Features & Advantages
- Precision Swashplate Performance: The axial piston swashplate design delivers high volumetric efficiency and smooth variable displacement, enabling precise flow and pressure modulation across the full operating range.
- DR Pressure Control: The integrated constant pressure regulator automatically reduces displacement to near-zero when system pressure is reached, minimizing energy consumption and heat generation during idle or holding phases.
- High Power Density: Compact envelope with a high pressure rating of 350 bar nominal and 400 bar peak, suitable for space-constrained installations requiring substantial hydraulic power.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, with robust bearings, hardened piston shoes, and a durable valve plate for extended service life.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original Rexroth A4VSO OEM standards, ensuring drop-in replacement without modification.
Typical Industrial Applications
This pump is ideally suited for a wide range of heavy industrial hydraulic systems, including plastic injection molding
PRODUCT IMAGES
Rexroth A4VSO 45 DR/30R-PPA12N00 / R902428406 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 A4VSO 45 DR/30R-PPA12N00 / R902428406 Axial Piston Variable Displacement Pump. This German-made hydraulic pump features a swashplate design, delivering reliable, high-pressure fluid power for heavy-duty industrial systems.
