Quanzhou Yisenneng Hydraulic Electromechanical Equipment Co., Ltd.
| Payment Terms | MoneyGram,Western Union,T/T,D/P,D/A,L/C |
| Supply Ability | 100 |
| Delivery Time | 2-8 weeks |
| Packaging Details | Wooden crate |
| Fuel | +85267220981 |
| Yli97584@gmail.com | |
| Inlet Port Size | G1/2 |
| Control Type | Pressure Compensator |
| Transport Package | Wooden Box |
| Standard Or Nonstandard | Standard |
| Application | Maritime |
| Max. Pressure | 280 bar |
| Brand Name | Rexroth |
| Model Number | A4VSO71DRG/30R-PPB13N00 A4VSO71DFR/30R-VPB25N00 |
| Certification | ISO9001 |
| Place of Origin | Germany |
View Detail Information
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Product Specification
| Payment Terms | MoneyGram,Western Union,T/T,D/P,D/A,L/C | Supply Ability | 100 |
| Delivery Time | 2-8 weeks | Packaging Details | Wooden crate |
| Fuel | +85267220981 | Yli97584@gmail.com | |
| Inlet Port Size | G1/2 | Control Type | Pressure Compensator |
| Transport Package | Wooden Box | Standard Or Nonstandard | Standard |
| Application | Maritime | Max. Pressure | 280 bar |
| Brand Name | Rexroth | Model Number | A4VSO71DRG/30R-PPB13N00 A4VSO71DFR/30R-VPB25N00 |
| Certification | ISO9001 | Place of Origin | Germany |
| High Light | Rexroth A4VSO71 Series Piston Pump ，A4VSO71DRG/30R-PPB13N00 Pump ，A4VSO71DFR/30R-VPB25N00 Pump | ||
Rexroth A4VSO71 Series Hydraulic Axial Piston Pump A4VSO71DRG/30R-PPB13N00 A4VSO71DFR/30R-VPB25N00
| A4VSO71 Series Axial Piston Variable Pump – Technical Overview |
| 1. Product Introduction |
| The A4VSO71 is a high-performance axial piston variable pump designed for open-circuit hydraulic systems. It features a swashplate design, enabling precise and stepless flow adjustment by varying the swashplate angle. This series is widely used in industries such as ceramic presses, steel forging, metallurgy, mining, marine machinery, and engineering equipment due to its reliability and efficiency. |
| ------ |
| 2. Key Specifications |
| • Displacement: 71 mL/rev (other sizes in the series include 40, 125, 180, 250, 355, 500, and 750 mL/rev). |
| • Pressure Ratings: |
| ◦ Nominal pressure: 350 bar (35 MPa) |
| ◦ Peak pressure: 400–420 bar (40–42 MPa). |
| • Speed Range: Compatible with speeds up to 4,000 rpm (dependent on inlet pressure and fluid viscosity). |
| • Fluid Compatibility: Mineral oils, HFC fluids (water-glycol), with a cleanliness requirement of NAS 9级 or SAE 6级. |
| ------ |
| 3. Design Features |
| • Swashplate Mechanism: Allows infinite flow adjustment via swashplate angle control, proportional to drive speed and displacement. |
| • Long Service Life: Equipped with high-precision, aerospace-grade roller bearings and optimized sealing systems. |
| • Low Noise & High Efficiency: Advanced design reduces noise while maintaining high power-to-weight ratios. |
| • Modularity: Through-drive shaft design enables combination with additional pumps for multi-circuit systems. |
| ------ |
| 4. Control Options |
| The A4VSO71 supports multiple control modes to suit diverse applications: |
| • DR/DRG: Pressure control (constant pressure). |
| • LR: Power control (hyperbolic curve). |
| • DFR: Load-sensing flow control. |
| • EO2: Electro-proportional control for precision adjustments. |
| ------ |
| 5. Installation & Maintenance |
| • Installation: Can be mounted in any orientation, but the pump casing must remain filled with fluid during operation. |
| • Flushing Requirements: For non-mineral oils or extreme conditions, a flushing flow of 5 L/min is recommended for the 71-size pump. |
| • Temperature Limits: |
| ◦ Operating range: -25°C to +90°C (short-term peaks allowed). |
| ◦ Storage range: -50°C to +60°C. |
| ------ |
| 6. Applications |
| Ideal for high-power hydraulic systems, including: |
| • Industrial presses (ceramic, forging). |
| • Marine and offshore equipment. |
| • Mining and construction machinery. |
| • Energy and metallurgical plants. |
| Parameter Category Optional Options Model Example Reference Source |
| Control methods include DR (constant pressure control), DRG (remote constant pressure control), LR (constant power control), DFR (pressure/flow control), EO2 (electric proportional control), etc. A4VSO71 DR/10R-PPB25N00 |
| Series 10, 11, 30 A4VSO71 DR/10R-PPB25N00 |
| Rotation direction R (clockwise), L (counterclockwise) A4VSO71 DR/10R-PPB25N00 |
| Seal type P (NBR nitrile rubber+FKM shaft seal), V (fluororubber FKM) A4VSO71 DR/10R-PPB25N00 |
| Shaft end form P (DIN metric flat key), Z (DIN spline) A4VSO71 DR/10R-PPB25N00 |
| Install flanges B (ISO 4-hole), A (ISO 2-hole), C (SAE 2-hole), D (SAE 4-hole) A4VSO71 DR/10R-PPB25N00 |
| Oil port connection 25 (B/S oil port side 90 °), 13 (B/S oil port offset 90 °), etc. A4VSO71 DR/10R-PPB25N00 |
| Axis extension configuration N00 (no through axis drive), K (with through axis drive, can be connected to auxiliary pump) A4VSO71 DR/10R-PPB25N00 |
FAQ:
Payment term:
1. T/T: 30% deposit by T/T, 70% balance by T/T before shipment
2. L/C at sight
Trade term: EXW or FOB Ningbo/Shanghai
Packing details:
Eternal Brand, Neutral or Customer's requires packing
Neutral carton or same as the Customer's requires, export standard carton
All cartons should be packed into the pallets more carefully.
All of the productions are inspected carefully one by one by QC before delivery.
Delivery time:
We have huge quantity of inventory for complete pumps, motor and some pare pats,
so the leading time is within 3days if have in stock.
If haven't, within 5days if the quantity is less than 50pcs.
It depends on the quantity ordered.
Min. Order:
If the model is in common or the production are in our stock warehouse,
No MOQ for stocking production.Larger quantity, price will be more favorable.
Company Details
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...
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