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The Rexroth A4VSO180DFR/30L-PPB13N00 is a genuine German-manufactured A4VSO series open-circuit axial piston variable pump, equipped with DFR pressure & flow compound control. With a displacement of 180 cm³/r and PPB13 SAE compact flange & ports, this pump allows both system pressure limit and pump flow demand to be set via external hydraulic pilot signals (ports X and Y).
The DFR control is the classic choice for load-sensing and energy-efficient hydraulic systems, where the pump delivers only the flow demanded by the circuit while maintaining a preset pressure margin above load pressure. It is widely used in industrial hydraulic power units, press auxiliary circuits, and process plant systems requiring controllable flow with pressure compensation.
Technical Specifications
Manufacturer
Rexroth, Made in Germany
Series
A4VSO - Open Circuit Swashplate Axial Piston Variable Pump
Model Code
A4VSO180DFR/30L-PPB13N00
Geometric Displacement (Vg max)
180 cm³/r
Nominal Pressure
350 bar
Peak Pressure
400 bar
Maximum Speed (nnom)
Approx. 1800 rpm
Theoretical Flow @1500 rpm
Approx. 270 L/min
Theoretical Flow @1800 rpm
Approx. 324 L/min
Drive Power @350 bar & 1500 rpm
Approx. 158 kW
Control Type
DFR - Pressure & Flow Compound Control (Pressure limit set via pilot port X; Flow demand set via pilot port Y -- enables load-sense operation)
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 codes)
Hydraulic Fluid
Mineral Oil HLP, HFC Water-Glycol Permissible (Derated)
Approximate Weight
102-103 kg
DFR Pressure & Flow Compound Control - How It Works
Unlike DR (pressure only) or EO2 (electric signal flow), DFR uses hydraulic pilot pressure for both settings:
Pilot Port X → Sets the maximum pressure compensator value (like DR, but pilot-adjustable)
Pilot Port Y → Sets the flow demand / displacement proportionally to applied pilot pressure
When used with a load-sensing directional valve, port Y senses downstream load pressure + margin → pump delivers only required flow, reducing heat and energy
Process industry skids -- filter press, conveyor tensioning, mixer hydraulics
Hydraulic test benches with pilot-controlled flow/pressure
Central HPUs feeding multiple workstations via pilot-controlled flow demand
Retrofit of fixed-displacement pumps to save energy in cyclic operations
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 (industrial regions)
Middle East & Africa: UAE, Saudi Arabia, Turkey, South Africa
Frequently Asked Questions
Q1: What is the difference between DFR and DR control on A4VSO?
A1: DR controls pressure only (spring or pilot set) and the pump typically runs at max displacement until pressure is reached. DFR adds a flow control pilot port (Y) so displacement -- and thus flow -- can be commanded by hydraulic pilot pressure, enabling load-sense operation and on-demand flow.
Q2: Can DFR be used without connecting pilot port Y?
A2: It can, but the pump will default to maximum displacement (or minimum if X is active). To benefit from flow control, port Y should receive a pilot pressure proportional to the desired flow demand, typically from a load-sensing valve or pilot pressure reducer.
Q3: What is the difference between PPB13 and PPB25?
A3: Both are SAE flanges/ports. PPB13 is the compact SAE port size, suited to manifold blocks on skid-mounted HPUs; PPB25 uses larger SAE ports for high-flow piped connections. Pump performance is identical.
Q4: Is the A4VSO series suitable for closed-circuit travel drives?
A4: No. A4VSO is for open circuit (open loop) only. For closed-loop track/wheel motor 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...
