A4VSO125LR2/30L-PPB13N00 German made A4VSO125 piston pump from Rexroth Industrial Mining Oilfield
The Rexroth A4VSO125LR2/30L-PPB13N00 is a genuine German-manufactured A4VSO series open-circuit axial piston variable pump, featuring LR2 constant power (horsepower) limiting control. With a displacement of 125 cm³/r and PPB13 SAE compact flange & ports, this pump automatically reduces displacement as system pressure rises so that input power (pressure × flow) stays within a preset limit—protecting fixed-speed electric motors from overload.
The LR2 control is highly valued in industrial plant hydraulic power units, mining surface installations, and oilfield skid-mounted HPUs, where drive motor capacity is carefully matched to pump output. The compact PPB13 porting is typically selected for manifold-mounted plant skids. Rated for 350 bar continuous / 400 bar peak.
| Parameter | Value |
|---|---|
| Manufacturer | Rexroth, Made in Germany |
| Series | A4VSO - Open Circuit Swashplate Axial Piston Variable Pump |
| Model Code | A4VSO125LR2/30L-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 | LR2 - Constant Power (Horsepower) Limiting Control (displacement ↓ as pressure ↑ to keep input power ≤ preset value) |
| 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), HFDR (phosphate ester) on request |
| Approximate Weight | 75-78 kg |
Working ports 13 and 25, flat key splines p and z, seals p and v, control mode: dr, displacement: 125 (r forward rotation)
In plant-wide hydraulic stations and oilfield skid HPUs, pumps are driven by fixed-speed AC motors with defined kW ratings. LR2 prevents motor overload:
- Delivers full flow at low system pressure (fast cylinder advance/retract)
- As pressure builds (clamp hold, pressurization, valve actuation), displacement is reduced to keep motor power below the preset limit
- Avoids nuisance tripping of motor overload relays / thermal protectors
- Adjustable power setpoint to exactly match your motor's rated capacity
- Simple spring-set adjustment — no pilot pressure required (see LR2G for pilot-influenced version)
➡ PPB13 compact SAE porting is ideal for manifold-integrated HPU skids found in plants, mine sites, and oilfield packages.
- Industrial Plants: rolling mill auxiliary HPUs, forging press clamp circuits, stamping line power packs, injection molding machine aux pumps
- Mining (Surface): coal preparation plant HPUs, conveyor tensioning, stacker/reclaimer hydraulics, mine winder auxiliary circuits
- Oil & Gas / Oilfield: wellhead control panel HPUs, valve actuator hydraulic skids, mud pump auxiliary hydraulics, drawworks cooling pump drives
- Power Generation: turbine auxiliary hydraulic systems, gate/valve actuator supplies
- Test Rigs: simulating load-limited hydraulic power sources
Distributed through Rexroth's authorized global dealer network, including:
- Europe: Germany, Italy, France, UK, Spain, Netherlands, Austria, Poland, Czech Republic, Scandinavia (oil & gas sector)
- Asia-Pacific: China, Japan, South Korea, India, Thailand, Malaysia, Vietnam, Australia (mining & oilfield)
- Americas: USA (oilfield Texas/OK regions), Canada, Mexico, Brazil, Chile (mining)
- Middle East & Africa: UAE, Saudi Arabia (oilfield), South Africa
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