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REXROTH variable piston Pump product catalog

REXROTH, a global leader in hydraulic technology, offers a full range of high-performance, reliable swash plate and bent axis type variable displacement piston pumps. Engineered with precision, these pumps deliver exceptional efficiency, durability, and flexibility, catering to the most demanding industrial and mobile hydraulic system requirements worldwide.

Main Product Series Overview

1. A4VSO Series Axial Piston Variable Displacement Pumps

Key Features:
  • High Pressure Capacity: Rated pressure up to 35 MPa (5080 psi), intermittent pressure up to 45 MPa (6527 psi) for heavy-duty applications
  • Superior Efficiency: Optimized flow path design and precision machining ensure volumetric efficiency >95% at rated conditions
  • Versatile Control Options: Pressure compensator, flow control, load sensing, electro-proportional control, and constant power control available
  • Robust Construction: Hardened steel components and wear-resistant coatings extend service life in harsh operating environments
Specifications:
Parameter
Value
Geometric Displacement
10~180 cm³/rev
Maximum Operating Pressure
35 MPa (5080 psi), 45 MPa intermittent
Shaft Speed Range
600~2800 rpm
Permissible Suction Pressure
-16 to +10 kPa
Approx. Mass
18~65 kg
Typical Models: A4VSO10DR/10R-PPB13N00, A4VSO40DR/30R-PPB13N00, A4VSO125DR/30R-PPB13N00, A4VSO180DR/30R-PPB13N00

2. A10VSO Series Axial Piston Variable Displacement Pumps

Key Features:
  • Compact Design: Space-saving structure, ideal for installations with limited space in mobile and industrial equipment
  • Low Noise Operation: Optimized swash plate design and damping mechanisms reduce operational noise to 68~75 dB(A) at 1m distance
  • Multiple Mounting Options: Flange and foot mounting available, compatible with standard hydraulic systems
  • High Reliability: Rigorous testing and quality control ensure stable performance in long-term continuous operation
Specifications:
Parameter
Value
Geometric Displacement
4.5~140 cm³/rev
Maximum Operating Pressure
28 MPa (4060 psi), 35 MPa intermittent
Shaft Speed Range
500~3000 rpm
Mounting Options
Flange, Foot
Approx. Mass
8~42 kg
Typical Models: A10VSO45DR/31R-PPA12N00, A10VSO71DR/31R-PPA12N00, A10VSO100DR/31R-PPA12N00

3. A2FO Series Axial Piston Variable/ Fixed Displacement Pumps

Key Features:
  • Dual Functionality: Available in variable and fixed displacement versions, flexible for diverse system requirements
  • High Pressure Resistance: Rated pressure up to 40 MPa (5800 psi), suitable for high-load hydraulic systems
  • Energy-Saving Performance: Optimized displacement control reduces energy consumption during partial load operation
  • Easy Maintenance: Modular design allows quick disassembly and replacement of components, reducing downtime
Specifications:
Model
Displacement (cm³/rev)
Rated Pressure (MPa)
Max Intermittent Pressure (MPa)
A2FO16
16
40
45
A2FO23
23
40
45
A2FO45
45
40
45
A2FO63
63
35
40
A2FO107
107
35
40
Typical Models: A2FO16/61R-PBB05, A2FO45/61R-PBB05, A2FO63/61R-PBB05

4. A7V Series High-Pressure Axial Piston Variable Displacement Pumps

Key Features:
  • Extreme High Pressure: Rated pressure up to 40 MPa (5800 psi), intermittent pressure up to 45 MPa (6527 psi) for heavy-duty industrial applications
  • Large Displacement Range: Suitable for high-flow hydraulic systems requiring large power output
  • Advanced Control System: Optional load sensing, electro-proportional, and constant power control for precise operation
  • Durable Construction: Heavy-duty housing and precision-machined components ensure reliability in harsh working conditions
Specifications:
Parameter
Value
Geometric Displacement
55~500 cm³/rev
Maximum Operating Pressure
40 MPa (5800 psi), 45 MPa intermittent
Shaft Speed Range
400~2000 rpm
Control Options
Load Sense, Pressure Compensator, Electro-Proportional
Approx. Mass
75~220 kg
Typical Models: A7V55DR1R-PPB01, A7V160DR1R-PPB01, A7V355DR1R-PPB01, A7V500DR1R-PPB01

5. A4VG Series Bent Axis Variable Displacement Piston Pumps

Key Features:
  • Bent Axis Design: High rigidity and compact structure, suitable for high-speed and high-pressure applications
  • High Efficiency: Low energy loss and high volumetric efficiency, reducing operational costs
  • Wide Speed Range: Adaptable to various motor speeds, flexible for different system configurations
  • Integrated Control: Built-in control valves for easy system integration and precise flow/pressure regulation
Specifications:
Parameter
Value
Geometric Displacement
28~160 cm³/rev
Maximum Operating Pressure
35 MPa (5080 psi), 40 MPa intermittent
Shaft Speed Range
600~3000 rpm
Approx. Mass
32~85 kg
Typical Models: A4VG40EP2D1/32L-NSC02F001S, A4VG125EP2D1/32L-NSC02F001S

Control Options Available

Control Type
Description
Application
Pressure Compensator (DR)
Maintains constant system pressure, automatically adjusts displacement when pressure reaches set value
Fixed pressure systems, press machines
Flow Control (LR)
Maintains constant flow rate, independent of system pressure fluctuations
Fixed flow systems, machine tools
Load Sensing (LS)
Adjusts pump displacement based on actual system demand, reducing energy consumption
Energy-efficient systems, construction machinery
Electro-Proportional Control (EP)
Remote control of displacement and pressure via electrical signal (0~10V or 4~20mA)
Automated systems, precision control equipment
Constant Power Control (HD)
Maintains constant power output by adjusting displacement as pressure changes
Power-limited applications, mobile equipment
Pressure/Flow Compound Control
Combines pressure and flow control for complex system requirements
Multi-function hydraulic systems

Model Number Designation (Example: A4VSO125DR/30R-PPB13N00)

Component
Meaning
A4VSO
Series (A4VSO = Axial Piston Variable Displacement Pump)
125
Basic Displacement (125 cm³/rev)
DR
Control Type (DR = Pressure Compensator)
30R
Shaft Rotation Direction (30R = Clockwise from shaft end)
PPB13
Seal Material and Installation Type
N00
Version Number (Standard Version)

Performance Characteristics

  • Volumetric Efficiency: >95% at 25 MPa, 1800 rpm for most series
  • Overall Efficiency: >88% at 25 MPa, 1800 rpm for most series
  • Noise Level: 68~78 dB(A) at 1 m distance (varies by series and operating conditions)
  • Operating Temperature: -20°C to +80°C (with recommended hydraulic fluid ISO VG 46)
  • Service Life: >10,000 operating hours under normal working conditions

Application Areas

REXROTH variable displacement piston pumps are widely used in various industries, including:
  • Construction machinery (excavators, loaders, cranes)
  • Injection molding machines and die-casting machines
  • Heavy-duty press machines and forging equipment
  • Machine tools (CNC lathes, milling machines)
  • Material handling equipment (forklifts, conveyors)
  • Marine and offshore systems
  • Renewable energy systems (wind turbines, solar power equipment)
  • Mining machinery and metallurgical equipment