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R910994306 A4VS0125DR/30R-PPB13N00 Rexroth Axial Variable Piston Pump Germany

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R910994306 A4VS0125DR/30R-PPB13N00 Rexroth Axial Variable Piston Pump Germany

Place of Origin : Germany

Delivery Time : 2 weeks

Mounting Flange​ : ISO 3019-2 (4-bolt, metric)

Packaging Details : wooden box

MOQ : 1

Certifiion : ISO

Brand Name : Rexroth

Model Number : R910994306 A4VS0125DR/30R-PPB13N00

Weight​ : 87 - 88 kg

Payment Terms : Western Union,T/T,D/P,D/A,L/C

Compatible Fluids​ : Mineral Oils (HL/HLP), Water Glycol (HFC)

Nominal Speed​ : 1500 rpm​ (Max ~1800 rpm, requires good inlet conditions)

Shaft Type​ : Parallel Key Shaft (DIN 6885)

Supply Ability : 100

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R910994306 A4VS0125DR/30R-PPB13N00 Rexroth Axial Variable Piston Pump Germany
Technical Specifiions
Parameter egoryParameterSpecifiion / Description
General InformationManufacturer / ModelRexroth, A4VSO Series (Heavy-Duty Industrial)
Part NumberR910994306
Pump TypeSwashplate Axial Piston Pump (Open Circuit)
Hydraulic PerformanceDisplacement125 cm³/rev
Nominal Pressure (Continuous)350 bar
Peak Pressure (Intermittent)400 bar
Nominal Speed1500 rpm (Max ~1800 rpm, requires good inlet conditions)
Max. Theoretical Flow @ 1800 rpm~225 L/min
Control TypeDR - Pressure Control (Pressure Limiting)
Mechanical InterfaceShaft TypeParallel Key Shaft (DIN 6885)
Rotation DirectionClockwise (R) (viewed from shaft end)
Mounting FlangeISO 3019-2 (4-bolt, metric)
Port ConfigurationPPB13: SAE flanged ports, metric screws, Series 13 interface
Through DriveN00: No through-drive (cannot mount auxiliary pump)
Media & SealingSeal MaterialNBR (Standard for mineral oil)
Compatible FluidsMineral Oils (HL/HLP), Water Glycol (HFC)
WeightApprox. 87 - 88 kg
R910994306 A4VS0125DR/30R-PPB13N00 Rexroth Axial Variable Piston Pump Germany
Frequently Asked Questions
Q1: What is the main appliion of the A4VSO 125 size pump?
The A4VSO 125 is a heavy-duty industrial pump designed for high-pressure systems requiring flows up to ~225 L/min. It is commonly used in metal forming (presses), injection molding, large machine tools, and heavy lifting equipment where 350 bar continuous pressure and robust construction are required.
Q2: How does the DR pressure control work?
The DR control is a pressure compensator. Below the set pressure, the pump delivers maximum flow (125 cc). When system pressure reaches the set point (adjusted via a screw on the control cover), the swashplate automatically de-strokes to maintain constant pressure, delivering only the minimal flow needed to compensate for system leakage. This saves significant energy compared to a fixed pump with a relief valve.
Q3: What drive motor power is required for this pump?
At 1500 rpm and 350 bar, the theoretical mechanical input power is approximately 109 kW. It is strongly recommended to use a 110 kW (≈150 HP) electric motor or engine to provide a safe margin for starting torque and peak pressure (400 bar) demands.
Q4: Can I add a gear pump to the back of this unit?
No. The code N00 explicitly indies no through-drive capability. The shaft does not protrude from the rear housing. If you require a charge pump or auxiliary pump, you must select a version with a through-drive suffix (e.g., K01, K02, etc.).
Q5: What are the critical suction (inlet) conditions?
This is a large displacement pump and requires excellent inlet conditions. At 1500 rpm, the absolute inlet pressure should be ≥ 0.8 bar (approx. -0.2 bar gauge). If running at the maximum speed of 1800 rpm, a pressurized inlet (boost pump) is mandatory to prevent severe cavitation and damage.

Product Tags:

Rexroth axial variable piston pump

      

A4VS0125DR piston pump Germany

      

PPB13N00 variable piston pump

      
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