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Rexroth A4VSO180DR/30R-PPB13N00 Hydraulic Pump
Overview
The Rexroth A4VSO180DR/30R-PPB13N00 is a high-performance axial piston variable displacement pump manufactured by Bosch Rexroth. As part of the A4VSO series, this pump features a swashplate design and is engineered for open-circuit hydraulic drive systems, delivering precise control of fluid flow and exceptional reliability in demanding industrial applications. The A4VSO series is widely recognized for its high power density, low noise operation, and very long service life across industries such as metallurgy, mining, marine, and heavy machinery.
Technical Features
Swashplate Axial Piston Design — The pump utilizes a swashplate-type axial piston variable displacement design specifically tailored for open-circuit hydrostatic transmissions. The flow output is proportional to the input drive speed and displacement volume, and by adjusting the swashplate angle, output flow can be infinitely varied.
High Displacement & Pressure Ratings — The pump has a displacement of 180 cm³ per revolution, placing it in the medium-to-high flow range within the A4VSO series. It operates at a nominal pressure of 350 bar (5,076 psi) and can withstand maximum intermittent pressures up to 400 bar (5,800 psi).
DR Constant Pressure Control — The pump is equipped with DR constant pressure control. This control mechanism maintains a stable system pressure regardless of load variations. When the system pressure is below the DR valve setting, the pump operates as a fixed displacement pump; when the set pressure is reached, the DR valve activates, reducing displacement to maintain constant pressure and supply only the oil volume required by the system.
Excellent Suction Performance — The A4VSO series features superior suction characteristics, ensuring reliable operation even under challenging inlet conditions and reducing the likelihood of cavitation. The pump's self-priming capability allows for consistent performance during oil suction.
Through-Drive Capability — The pump features through-drive capability, allowing for the mounting of additional pumps up to the same nominal size directly onto it without requiring separate coupling mechanisms. This modular approach facilitates flexible system design and expansion.
Low Noise & Low Vibration Operation — The pump operates with low working noise and low flow pulsation, enhancing operator comfort and supporting environmental compliance. The A4VSO series achieves noise levels that make it suitable for noise-sensitive industrial environments.
Long Service Life & Robust Construction — Designed with high-quality materials, wear-resistant components, and special long-life, high-precision aerospace-grade full roller bearings, the pump is built for long-term reliability in demanding industrial environments.
High Efficiency — The A4VSO series delivers high efficiency with volumetric efficiency of approximately 95% and overall efficiency of around 90%, contributing to energy savings and reduced operating costs.
Short Control Response Times — The pump features short control response times, ensuring quick adaptation to changing system demands and precise operation in dynamic hydraulic applications.
High Power-to-Weight Ratio — The pump offers a high power-to-weight ratio, contributing to space-saving installation and efficient system design.
Flexible Mounting Options — The pump features ISO and SAE standard flanges for easy integration, with optional shaft types including parallel key or splined shafts.
Wide Operating Range — The pump operates effectively with mineral oil-based hydraulic fluids (HLP according to DIN 51524) across a wide viscosity and temperature range. The recommended operating temperature range is -25°C to +90°C, with a viscosity range of 10 to 1000 mm²/s.
Key Functionalities
Variable Displacement Flow Control — The flow rate is proportional to the drive speed and displacement and can be infinitely varied by adjusting the swashplate angle, providing precise, stepless control over hydraulic output across the entire operating range.
Constant Pressure Regulation — The DR pressure compensator maintains a constant system pressure regardless of load variations. When the pump reaches the set pressure, the controller reduces displacement to match system demand, ensuring stable performance and protecting downstream components. The variable pump delivers only the hydraulic oil required by the consumer, minimizing energy waste.
Open-Circuit Hydrostatic Transmission — The pump is specifically designed for open-circuit operation, focusing on controlling the direction and magnitude of fluid flow within hydraulic systems. This configuration is ideal for applications where the fluid returns to the reservoir after each cycle.
Multiple Pump Configurations — The through-drive capability allows the pump to serve as a primary unit driving secondary pumps, reducing system complexity and eliminating the need for separate couplings and mounting arrangements.
Energy Efficient Operation — The DR constant pressure control enables energy savings compared to fixed displacement pumps in dynamic load scenarios, reducing hydro-mechanical losses, heat generation, and power consumption. High volumetric efficiency (95%) and overall efficiency (90%) contribute to reduced operating costs.
Overload Protection — The pump incorporates built-in high-pressure relief valves to protect the system from excess pressure, ensuring safe operation under varying load conditions. Peak pressure capability up to 400 bar provides a safety margin for transient pressure spikes.
Clockwise Rotation — The pump is designed for clockwise rotation when viewed from the shaft end, denoted by the "R" in its model code, ensuring proper operation and compatibility with other hydraulic components.
High Reliability & Low Maintenance — With its robust construction, high-quality components, and wear-resistant design, the pump ensures long-term operational stability with minimal maintenance requirements. The design life exceeds 10 years under normal operating conditions.
Application Sectors
The Rexroth A4VSO180DR/30R-PPB13N00 hydraulic pump is designed for heavy-duty industrial applications requiring high-pressure, high-power hydraulic drives with precise pressure control. The A4VSO series is widely used across a broad spectrum of industries:
| Industry Sector | Typical Applications |
|---|---|
| Metallurgy & Steel | Rolling mills, continuous casting lines, forging presses, steel mill hydraulic stations, slab handling equipment, metallurgical machinery |
| Heavy Machinery & Forging | Hydraulic presses, forging presses, die-casting machines, heavy forging equipment |
| Ceramic & Refractory Presses | Ceramic press machines, brick presses, refractory material presses, tile presses |
| Mining Equipment | Conveyor drives, crushers, excavators, material handling systems, mining machinery |
| Marine & Offshore | Ship hydraulic systems, deck machinery, marine winches, shipbuilding machinery |
| Construction Machinery | Concrete mixers, concrete pump trucks, mobile cranes, drilling equipment, road rollers |
| Agricultural Machinery | Combine harvesters, agricultural equipment requiring high-pressure hydraulics |
| Machine Tools & Aerospace | CNC machine tools, aerospace equipment, industrial automation |
| Plastics & Rubber Machinery | Plastic injection molding machines, blow molding equipment, rubber processing machinery |
| Paper Manufacturing | Paper machinery hydraulic systems, paper mill equipment |
| Petroleum & Petrochemical | Oil field machinery, petrochemical equipment, drilling rigs |
| Power Generation | Coal handling systems, power plant hydraulic systems |
Performance Specifications
| Specification | Value |
|---|---|
| Manufacturer | Bosch Rexroth |
| Series | A4VSO |
| Model Code | A4VSO180DR/30R-PPB13N00 |
| Material Number (MNR) | R902406263 / R910999125 |
| Pump Type | Axial piston variable displacement pump (swashplate design) |
| Circuit Type | Open circuit |
| Displacement | 180 cm³/rev |
| Nominal Pressure (Continuous) | 350 bar (5,076 psi) |
| Maximum Intermittent Pressure | 400 bar (5,800 psi) |
| Maximum Speed | 1,800 rpm |
| Maximum Flow | 324 L/min |
| Control Type | DR — Constant pressure control |
| Pressure Setting Range | 50 to 350 bar |
| Rotation Direction | Clockwise (R) when viewed from shaft end |
| Control Response Time | Short (≤50 ms typical) |
| Volumetric Efficiency | ~95% |
| Overall Efficiency | ~90% |
| Shaft Type | Parallel key shaft (DIN 6885) |
| Mounting Type | Flange mounting (ISO 4-hole / SAE) |
| Porting | PPB13N00 configuration |
| Through-Drive | N00 — No auxiliary pump, no through-drive shaft extension |
| Seals | NBR (nitrile rubber) with FKM shaft seal |
| Weight | 102 kg |
| Housing Material | Cast iron / Aluminum |
| Fluid Compatibility | Mineral oil-based hydraulic fluids (HLP per DIN 51524), water-glycol (specify when ordering) |
| Fluid Cleanliness Requirement | NAS 9 class or better (ISO 4406 minimum) |
| Operating Temperature Range (Oil) | -25°C to +90°C |
| Operating Temperature Range (Environment) | -15°C to +60°C |
| Viscosity Range | 10 to 1000 mm²/s |
| Recommended Operating Viscosity | 16–36 mm²/s |
| Maximum Leakage Oil Temperature | 90°C |
| Cold Start Minimum Temperature | -25°C (with appropriate fluid viscosity) |
Conclusion
The Rexroth A4VSO180DR/30R-PPB13N00 is a high-performance axial piston variable displacement pump that exemplifies Bosch Rexroth's decades of expertise in hydraulic drive technology. With its advanced swashplate design, DR constant pressure control, excellent suction performance, through-drive capability, and robust construction, it delivers exceptional power density, precise flow control, and reliable operation for demanding open-circuit hydraulic systems.
The pump's variable displacement capability with DR constant pressure control ensures energy-efficient operation, while its low noise profile (suitable for noise-sensitive environments), high volumetric efficiency (~95%), and long service life (exceeding 10 years under normal conditions) make it an ideal solution for a wide range of industrial applications—from steel mills, forging presses, and ceramic presses to mining equipment, marine systems, construction machinery, agricultural equipment, and machine tool controls.
As a proven, reliable, and energy-efficient solution for industrial hydraulic applications worldwide, the A4VSO180DR/30R-PPB13N00 stands out as a versatile component where consistent high-pressure performance, precise pressure control, and long-term dependability are essential requirements.
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