Shaoyang Victor Hydraulic Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 500 pcs per month |
| Delivery Time | 15-30 days |
| Packaging Details | Standard Export Wooden Case |
| Model | A4VG56/28/125/71/90/125/180/250 |
| Feature | High Pressure |
| Product Name | China Manufacturer A4VG56 Hydraulic Piston Pump For Rexroth |
| Material | Cast Iron |
| Brand Name | SY Hydraulic |
| Model Number | SY-A4VG |
| Certification | China Classification Society Certification |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 500 pcs per month |
| Delivery Time | 15-30 days | Packaging Details | Standard Export Wooden Case |
| Model | A4VG56/28/125/71/90/125/180/250 | Feature | High Pressure |
| Product Name | China Manufacturer A4VG56 Hydraulic Piston Pump For Rexroth | Material | Cast Iron |
| Brand Name | SY Hydraulic | Model Number | SY-A4VG |
| Certification | China Classification Society Certification | Place of Origin | China |
| High Light | A4VG125 hydraulic piston pump ，construction machinery piston pump 2850 RPM ，mobile hydraulic systems piston pump | ||
A4VG125 Construction Machinery Piston Pump 2850 RPM for Mobile Hydraulic Systems
Features:
1. Multiple adaptable control device configurations
2. Dual high-pressure relief valves for overload protection
3. High-pressure relief valves with integrated boost function
4. Integrated boost pump for feed and control pressure supply
5. Built-in low-pressure relief valve for boost pressure limitation
6. Standard integrated pressure cut-off valve
7. Linear flow adjustment from 0 to maximum via swashplate deflection
8. Electrical two-point control with solenoid valves
9. Hydraulic direct control for displacement adjustment
10. Adjustable pressure cut-off valve setting range
Technical data:
| Size | NG | 56 | 71 | 90 | 125 | 180 | ||
| Geometric displacement, per revolution | variable pump | Vg max | cm3 | 56 | 71 | 90 | 125 | 180 |
| boost pump (at Δp = 20 bar) | Vg Sp | cm3 | 11.6 | 19.6 | 19.6 | 28.3 | 39.8 | |
| Rotational speed | maximum at Vg max | nnom | rpm | 3600 | 3300 | 3050 | 2850 | 2500 |
| limited maximum | nmax1 | rpm | 3900 | 3600 | 3300 | 3250 | 2900 | |
| intermittent maximum | nmax2 | rpm | 4500 | 4100 | 3800 | 3450 | 3000 | |
| minimum | nmin | rpm | 500 | 500 | 500 | 500 | 500 | |
| Flow | at nnom and Vg max | qv | l/min | 202 | 234 | 275 | 356 | 450 |
| Power at nnom, Vg max | Δp = 400 bar | P | kW | 134 | 156 | 183 | 238 | 300 |
| Torque with Vg max | Δp = 400 bar | M | Nm | 357 | 452 | 573 | 796 | 1146 |
| Δp = 100 bar | M | Nm | 89 | 113 | 143 | 199 | 286 | |
| Rotary stiffness of drive shaft | S | c | kNm/rad | 80.8 | 98.8 | 158.1 | 218.3 | 244.5 |
| T | c | kNm/rad | 95 | 120.9 | – | 252.1 | 318.4 | |
| A | c | kNm/rad | 95.8 | 142.4 | 176.8 | 256.5 | – | |
| Z | c | kNm/rad | 78.8 | 122.8 | 137 | 223.7 | 319.6 | |
| U | c | kNm/rad | – | – | 107.6 | – | – | |
| Moment of inertia of the rotary group | JTW | kgm2 | 0.0066 | 0.0097 | 0.0149 | 0.0232 | 0.0444 | |
| Maximum angular acceleration | α | rad/s² | 24000 | 21000 | 18000 | 14000 | 11000 | |
| Case volume | V | l | 1.5 | 1.3 | 1.5 | 2.1 | 3.1 | |
| Weight (without through drive) approx. | m | kg | 38 | 50 | 60 | 80 | 101 | |
Specifications:
| Warranty | 1 Year |
| Model | A4VG series |
| Place of Origin | China |
| Type | Harvesting machinery piston pump |
| Color | Available any color |
| Type | Hydraulic pump Rexroth |
| Application | Mining equipment |
| Feature | High Efficiency,Long Life |
| Delivery Time | 15-30 Days after Payment |
| Condition | Brand new |
Applications:
Competitive Advantage:
1. Featuring exceptional design and state-of-the-art engineering, the A4VG series delivers rapid system response, precise control, and outstanding energy efficiency, backed by robust safety features and advanced variable displacement technology, positioning it as a top-performing piston pump that meets the needs of modern industrial and mobile applications consistently every single day.
2. The advanced design of the A4VG series incorporates integrated temperature monitoring, digital interfaces, and remote diagnostics, delivering smart, efficient hydraulic control and real-time performance data as a reliable axial piston pump, enabling optimized maintenance, energy savings, and operational excellence across diverse industrial and mobile applications for unmatched performance today universally.
3. The advanced design of the A4VG series incorporates integrated temperature monitoring, digital interfaces, and remote diagnostics, delivering smart, efficient hydraulic control and real-time performance data as a reliable axial piston pump, enabling optimized maintenance, energy savings, and operational excellence across diverse industrial and mobile applications for unmatched performance today universally.
4. The advanced design of the A4VG series incorporates integrated temperature monitoring, digital interfaces, and remote diagnostics, delivering smart, efficient hydraulic control and real-time performance data as a reliable axial piston pump, enabling optimized maintenance, energy savings, and operational excellence across diverse industrial and mobile applications for unmatched performance today universally.
The Analysis For Rexroth A4VG Closed Circuit Piston Pump Common Breakdown :
1. In this axial piston pump, failure of the integrated pressure cut-off mechanism can result in uncontrolled pressure build-up, increasing the risk of system overload, component damage, and unsafe operating conditions, thereby necessitating immediate inspection, recalibration, and possible replacement of the cut-off components to restore proper pressure regulation for safe operation.
2. In this hydraulic pump, inaccurate pressure regulation caused by sensor errors or faulty transducer calibration can lead to improper system response, energy inefficiencies, and potential damage to the hydraulic circuit, thereby requiring thorough sensor diagnostics, recalibration, and replacement of defective sensors to ensure accurate pressure control and system stability immediately.
3. In this piston pump system, failure in integrating the control devices with the pump mechanism can result in loss of precise modulation of flow and pressure, causing erratic performance, increased wear, and inefficient operation, which requires comprehensive system checks, software updates, and improved integration practices to restore optimal functionality promptly.
Company Details
Business Type:
Manufacturer
Year Established:
1968
Total Annual:
400000000-500000000
Employee Number:
400~600
Ecer Certification：
Verified Supplier
Shaoyang Victor Hydraulic Co., LTD. (formerly Shaoyang Hydraulic Parts factory), founded in 1968, is one of the three pillar enterprises of china's hydraulic industry directly under the former Ministry of Machinery industry, the national fixed-point production of hydraulic components, cylinders,... Shaoyang Victor Hydraulic Co., LTD. (formerly Shaoyang Hydraulic Parts factory), founded in 1968, is one of the three pillar enterprises of china's hydraulic industry directly under the former Ministry of Machinery industry, the national fixed-point production of hydraulic components, cylinders,...
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