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A4VSO125EO2/30L-PPB25N00 German Rexroth Variable Piston Pump Industrial Mining

Categories Piston Pump
Model Number: A4VSO125EO2/30L-PPB25N00
Certification: ISO
MOQ: 1
Packaging Details: Wooden box
Supply Ability: 100
Industry Use: Industrial & Mining Auxiliary Hydraulics
Model: A4VSO125EO2/30L-PPB25N00
Payment Terms: Western Union,T/T,D/P,D/A,L/C
Displacement: 125 cm³/r
Delivery Time: 2 weeks
Port Config: PPB25 SAE
Place of Origin: German
Control Type: EO2 – Electro-Proportional
Brand Name: Rexroth
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A4VSO125EO2/30L-PPB25N00 German Rexroth Variable Piston Pump Industrial Mining

A4VSO125EO2/30L-PPB25N00 German Rexroth Variable Piston Pump Industrial Mining
Product Introduction
The Rexroth A4VSO125EO2/30L-PPB25N00 is a genuine German-manufactured A4VSO series open-circuit axial piston variable pump, equipped with EO2 electro-proportional displacement control. With a displacement of 125 cm³/r and PPB25 SAE flange & ports, pump flow is set remotely via an analog electrical signal (±10 V or 4-20 mA) from a PLC or machine controller.
This compact-size A4VSO125 is widely used in industrial hydraulic power units and mining equipment auxiliary circuits — such as conveyor tensioning systems, cooling fan drives, filter press hydraulics, and lubrication skids — where precise, programmable flow control is required without hydraulic pilot pressure. Rated for 350 bar continuous / 400 bar peak.

Technical Specifications
ParameterValue
ManufacturerRexroth, Made in Germany
SeriesA4VSO - Open Circuit Swashplate Axial Piston Variable Pump
Model CodeA4VSO125EO2/30L-PPB25N00
Geometric Displacement (Vg max)125 cm³/r
Nominal Pressure350 bar
Peak Pressure400 bar
Maximum Speed (nnom)Approx. 1900-2000 rpm
Theoretical Flow @1500 rpmApprox. 187.5 L/min
Theoretical Flow @1800 rpmApprox. 225 L/min
Drive Power @350 bar & 1500 rpmApprox. 109 kW
Control TypeEO2 - Electro-Proportional Displacement Control (external analog signal sets swashplate angle / flow output)
RotationL - Left-hand (viewed from shaft end)
Flange & PortPPB25 - SAE Flange & SAE Port (larger porting)
Through DriveN00 - Without Through Drive (tandem-ready variants available on other A4VSO sizes)
Hydraulic FluidMineral Oil HLP, HFC Water-Glycol Permissible (Derated)
Approximate Weight75-78 kg
Rexroth A4VSO125EO2 variable piston pump technical diagram

EO2 Electro-Proportional Control - Key Advantage
  • Pump displacement — and therefore flow — follows a linear analog input signal
  • Enables fully automated, software-controlled hydraulic systems (PLC/CNC/Motion Controller)
  • Eliminates manual flow-setting valves or hydraulic pilot sources in many applications
  • Fast-response proportional solenoid for dynamic load changes
  • Can be combined with external pressure limiting or cut-off for system safety
Ideal when your application demands repeatable, remote-controlled flow in a compact pump package.

Typical Applications
  • Mining & Quarrying: conveyor belt tensioning, cooling fan pump drives, filter press hydraulics, lube oil skids
  • Industrial Plants: hydraulic power units for stamping/pressing auxiliaries, machine tool clamp circuits
  • Process Industry: mixer hydraulics, packaging machine flow control, test bench programmable flow
  • Material Handling: crane auxiliary circuits, stabilizers, outrigger pumps
  • R & D / Lab: electro-hydraulic teaching rigs and calibration benches

Global Sales Countries / Regions
Distributed through Rexroth's authorized global dealer network, including:
  • Europe: Germany, Italy, France, UK, Spain, Netherlands, Austria, Switzerland, Poland, Sweden
  • Asia-Pacific: China, Japan, South Korea, India, Taiwan, Thailand, Malaysia, Vietnam, Australia
  • Americas: USA, Canada, Mexico, Brazil, Chile (mining regions)
  • Middle East & Africa: UAE, Saudi Arabia, Turkey, South Africa

Frequently Asked Questions
Q1: Does EO2 control require additional electronic components?
A1: Yes. An external proportional amplifier (e.g. Rexroth VT-series) or a PLC analog output card is required to supply and monitor the command signal to the EO2 solenoid. Confirm whether your version includes onboard electronics.
Q2: Can EO2 replace a flow control valve?
A2: It allows you to set pump flow electronically, reducing dependence on separate flow control valves for basic regulation. Precision motion or pressure-compensated flow to individual actuators may still benefit from secondary valving.
Q3: Is the A4VSO125 suitable for closed-circuit track drives?
A3: No. The A4VSO series is for open circuit (open loop) only. For closed-loop travel/wheel drives, use the A4VG or A4VM series.
Q4: What is the difference between PPB13 and PPB25?
A4: Both are SAE flanges/ports. PPB25 uses larger SAE ports for reduced pressure drop at higher flow; PPB13 is the compact version. Pump performance is identical — select based on your manifold or piping standard.
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