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The Rexroth A4VSO125EO2/30L-PPB13N00 is a genuine German-manufactured A4VSO series open-circuit axial piston variable pump, featuring EO2 electro-proportional displacement control. With a displacement of 125 cm³/r and PPB13 SAE compact flange & ports, this pump allows flow to be set precisely via an analog electrical signal (±10 V DC or 4-20 mA) from a plant DCS, PLC, or VFD-compatible controller.
In steel plant and coal mine surface installations, the A4VSO125EO2 is typically deployed in auxiliary hydraulic circuits such as:
Cooling fan drive pumps on rolling mill lubriion skids
Conveyor belt tensioning systems in coal preparation plants
Filter press hydraulics and emulsion station auxiliary pumps
Furnace door/cover slow-close hydraulic actuators
The compact PPB13 porting integrates neatly into manifold-mounted plant skids, while the EO2 control supports automated, variable-flow operation — reducing energy consumption during standby or partial-load conditions. Rated 350 bar continuous / 400 bar peak.
Technical Specifiions
Parameter
Value
Manufacturer
Rexroth, Made in Germany
Series
A4VSO - Open Circuit Swashplate Axial Piston Variable Pump
Model Code
A4VSO125EO2/30L-PPB13N00
Geometric Displacement (Vg max)
125 cm³/r
Nominal Pressure
350 bar
Peak Pressure
400 bar
Maximum Speed (nnom)
Approx. 1900-2000 rpm
Theoretical Flow @1500 rpm
Approx. 187.5 L/min
Theoretical Flow @1800 rpm
Approx. 225 L/min
Drive Power @350 bar & 1500 rpm
Approx. 109 kW
Control Type
EO2 - Electro-Proportional Displacement Control (analog electric signal sets swashplate angle / flow output)
Rotation
L - Left-hand (viewed from shaft end)
Flange & Port
PPB13 - SAE Flange & SAE Port (compact porting, smaller than PPB25)
Through Drive
N00 - Without Through Drive (tandem-ready variants available on other A4VSO sizes)
Hydraulic Fluid
Mineral Oil HLP, HFC Water-Glycol Permissible (Derated) — HFC emulsions acceptable per mine plant spec
Approximate Weight
75-78 kg
EO2 Electronic Flow Control - Plant Automation Benefit
Unlike DR/DFR which rely on hydraulic pilot pressure, EO2 is commanded purely by electrical signal:
Flow proportional to analog input — no hydraulic pilot source needed
Enables remote setpoint from plant control room / PLC / DCS
Pump can be ramped up/down gradually to reduce system shock
During idle or hold periods, flow can be reduced to minimum — cutting heat and power draw
Compatible with frequency-controlled motor + variable pump strategies for maximum energy saving
➡ Particularly valued in modernized steel mill and mine plant retrofits moving from fixed-displacement or manual pumps to digitally controlled hydraulics.
Typical Appliions
Steel & Metals: rolling mill cooling fan pumps, caster spray bar hydraulic supply, furnace cover/door slow-close actuators, slab handling auxiliary circuits
Industrial Process: emulsion station auxiliary pump, mixer variable-flow supply
Retrofit Projects: upgrading manual or fixed-displacement pumps to PLC-controlled variable flow
Global Sales Countries / Regions
Supplied through Rexroth's authorized global distribution network, including:
Europe: Germany, Italy, France, UK, Spain, Netherlands, Austria, Poland, Czech Republic, Sweden (mining sector)
Asia-Pacific: China, Japan, South Korea, India, Taiwan, Thailand, Malaysia, Vietnam, Australia
Americas: USA, Canada, Mexico, Brazil, Chile (mining & steel regions)
Middle East & Africa: UAE, Saudi Arabia, Turkey, South Africa
Frequently Asked Questions
Q1: What external electronics are needed to run the EO2 pump?
A1: A proportional amplifier (such as Rexroth VT-series) or a PLC analog output card is required to supply the command signal and monitor solenoid current. Verify whether your pump version includes onboard electronics or requires an external amplifier.
Q2: Can EO2 be used in hazardous (mine) areas?
A2: The pump itself is hydraulic; the solenoid and amplifier must be selected for the required Ex certifiion (e.g. Ex d, Ex e) if installed in a classified zone. Confirm with your project engineer and local code.
Q3: What is the difference between PPB13 and PPB25?
A3: Both are SAE flanges/ports. PPB13 is the compact SAE port size, preferred for manifold-mounted plant skids; PPB25 uses larger SAE ports for high-flow piped systems. Pump displacement and pressure performance are identical.
Q4: Is the A4VSO series suitable for closed-circuit track/wheel drives?
A4: No. A4VSO is for open circuit (open loop) only. For closed-loop travel drives, use the A4VG or A4VM series.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Total Annual:
1 million-10 millon
Employee Number:
>50
Ecer Certification：
Verified Supplier
Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha... Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd. has been established for many years and has now developed into an international trading company supplying various hydraulic machinery parts, oil pumps and valves. We are one of the few Chinese companies with multiple products and cha...
