Shaoyang Victor Hydraulic Co., Ltd.
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High-Performance Hydraulic Axial Piston Pump Iron Housing 145 cc/rev Capacity
Features:
1. Compact design with high space efficiency
2. High energy conversion efficiency
3. High power-to-weight ratio
4. Low noise emission (<75 dB(A))
5. Maximum pressure rating up to 450bar (High-pressure version)
6. Copper alloy fused distribution surface for reduced friction
7. Patented hollow closed pistons for reduced inertia and noise
8. Dual-bearing main shaft (cylindrical roller + needle bearings)
9. Dual return mechanism (disc spring + ball hinge)
10. Rotary bearing variable mechanism (rolling friction)
Technical data:
| Size | NG | 40 | 60 | 75 | 95 | 130 | 145 | 190 | 260 | ||
| Geometric displacement, per revolution | Vg max | cm3 | 42 | 58.5 | 74 | 93.5 | 130 | 145 | 193 | 260 | |
| Vg min | cm3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||
| Maximum rotational speed | at Vg max | nnom | rpm | 3000 | 2700 | 2550 | 2350 | 2100 | 2200 | 2100 | 2000 |
| at Vg ≤ Vg max | nmax | rpm | 3500 | 3250 | 3000 | 2780 | 2500 | 2500 | 2100 | 2300 | |
| Flow | at nnom and Vg max | qv | l/min | 126 | 158 | 189 | 220 | 273 | 319 | 405 | 468 |
| Power | at nnom, Vg max and Δp = 350 bar | P | kW | 74 | 92 | 110 | 128 | 159 | 186 | 236 | 273 |
| Torque | at Vg max and Δp = 350 bar | M | Nm | 234 | 326 | 412 | 521 | 724 | 808 | 1075 | 1448 |
| Rotary stiffness drive shaft | Z | c | kNm/rad | 88.9 | 102.4 | 145.8 | 199.6 | 302.5 | 302.5 | 346.2 | 686.5 |
| P | c | kNm/rad | 87.5 | 107.9 | 143.1 | 196.4 | 312.4 | 312.4 | 383.2 | 653.8 | |
| S | c | kNm/rad | 58.3 | 86.3 | 101.9 | 173.7 | 236.9 | 236.9 | 259.8 | 352 | |
| T | c | kNm/rad | 74.5 | 102.4 | 125.6 | 148.3 | ‒ | ‒ | 301.9 | 567.1 | |
| Moment of inertia of the rotary group | JTW | kgm2 | 0.0048 | 0.0082 | 0.0115 | 0.0173 | 0.0318 | 0.0341 | 0.055 | 0.0878 | |
| Maximum angular acceleration | α | rad/s² | 22000 | 17500 | 15000 | 13000 | 10500 | 9000 | 6800 | 4800 | |
| Case volume | V | L | 1.1 | 1.35 | 1.85 | 2.1 | 2.9 | 2.9 | 3.8 | 4.6 | |
| Weight (without through-drive) approx. | m | kg | 32 | 40 | 45 | 53 | 66 | 67 | 95 | 125 | |
With charge pump (A11VLO)
| Size | NG | 130 | 145 | 190 | 260 | ||
| Geometric displacement, per revolution | Vg max | cm3 | 130 | 145 | 193 | 260 | |
| Vg min | cm3 | 0 | 0 | 0 | 0 | ||
| Maximum rotational speed | at Vg max | nnom | rpm | 2500 | 2500 | 2500 | 2300 |
| at Vg ≤ Vg max | nmax | rpm | 2500 | 2500 | 2500 | 2300 | |
| Flow | at nnom and Vg max | qv | l/min | 325 | 363 | 483 | 598 |
| Power | at nnom, Vg max and Δp = 350 bar | P | kW | 190 | 211 | 281 | 349 |
| Torque | at Vg max and Δp = 350 bar | M | Nm | 724 | 808 | 1075 | 1448 |
| Rotary stiffness drive shaft | Z | c | kNm/rad | 302.5 | 302.5 | 346.2 | 686.5 |
| P | c | kNm/rad | 312.4 | 312.4 | 383.3 | 653.8 | |
| S | c | kNm/rad | 236.9 | 236.9 | 259.8 | 352 | |
| T | c | kNm/rad | ‒ | ‒ | 301.9 | 567.1 | |
| Moment of inertia of the rotary group | JTW | kgm2 | 0.0337 | 0.036 | 0.0577 | 0.0895 | |
| Maximum angular acceleration | α | rad/s² | 10500 | 9000 | 6800 | 4800 | |
| Case volume | V | L | 2.9 | 2.9 | 3.8 | 4.6 | |
| Weight (without through-drive) approx. | m | kg | 72 | 73 | 104 | 138 | |
Specifications:
| Warranty | 1 Year |
| Specification | SY-A11V(L)O |
| Place of Origin | China |
| Type | Rexroth axial piston pump |
| Color | Available any color |
| HS Code | 8413503190 |
| Application | Construction machinery,Mobile Machinery |
| Constant pressure | 350 bar |
| Maximum torque | 1448 Nm |
| Displacement | 60-260cc |
Applications:
1. For loader machinery operations, the A11V(L)O series pump provides exceptional performance by utilizing an axial piston pump to ensure smooth hydraulic flow during variable load conditions. Its advanced self-priming feature and robust pressure handling capabilities enable continuous, reliable operation even in strenuous environments. The pump enhances overall machine performance and reduces downtime, contributing to improved productivity and safety. This innovative axial piston pump is engineered to meet the high standards of modern loaders, making it a critical choice for efficient hydraulic systems.
2. In road construction machines, the A11V(L)O series pump is engineered to deliver reliable hydraulic performance using a hydraulic pump that ensures consistent flow control. Its state-of-the-art design allows the pump to adapt seamlessly to pressure variations during operation, enhancing the smooth application of asphalt and concrete. This hydraulic pump improves paving quality and operational efficiency while reducing maintenance costs. Its proven durability and high performance make it an excellent choice for modern road construction projects, ensuring safety and reliability on every project.
3. For road construction applications, the A11V(L)O series pump utilizes an axial piston pump to offer exceptional flow control and high energy efficiency. Its advanced design ensures smooth and reliable operation even during sudden pressure surges and varying load conditions. This hydraulic pump enhances road paving quality by maintaining steady hydraulic performance and reducing downtime. With proven durability and energy-saving features, it is a top choice for modern road construction projects, driving safety and efficiency while meeting rigorous industry standards.
Competitive Advantage:
1. In road construction equipment, the Rexroth A11V(L)O pump delivers consistent and precise hydraulic power through advanced flow regulation and efficient energy conversion. This axial piston pump is engineered to perform reliably under high-speed operations and frequent load changes, ensuring optimal performance during paving, rolling, and maintenance tasks. Its compact design and intelligent control technology enable easy integration, reducing energy consumption and maintenance costs, while the smart monitoring system continuously optimizes flow output based on real-time data, enhancing overall system efficiency and safety.
2. In port handling equipment, the Rexroth A11V(L)O pump delivers continuous and reliable hydraulic power through precise flow control and intelligent regulation. This axial piston pump is engineered to maintain accurate flow output even during frequent start–stop cycles and heavy loads, ensuring efficient cargo operations for cranes and handling systems. Its compact design and self-priming capabilities simplify integration and reduce both maintenance and operational costs, while the smart monitoring system optimizes performance in real time, enhancing equipment responsiveness and safety.
3. In tunnel boring machine applications, the Rexroth A11V(L)O pump delivers robust and stable hydraulic power through efficient energy conversion and precise flow regulation. This axial piston pump is designed to perform reliably during extended operations and under challenging geological conditions, ensuring consistent performance in tunneling projects. Its compact design and intelligent monitoring system simplify installation and reduce energy consumption and maintenance needs, with automatic adjustments in operating parameters that enhance both safety and productivity, making it an indispensable component in modern tunnel construction.
The Analysis For Rexroth A11V(L)O Axial Piston Pump Common Breakdown:
1. The Rexroth A11V(L)O hydraulic pump may experience erratic electrical signals affecting its control module, which can lead to adjustments and system instability; thorough diagnostics of the electrical wiring and prompt replacement of defective electronic components are necessary to restore proper control and ensure consistent, reliable pump operation during demanding tasks.
2. The Rexroth A11V(L)O axial piston pump may exhibit erratic valve behavior when debris accumulates at the valve seat, causing irregular flow adjustments and reduced responsiveness; regular cleaning, proper hydraulic fluid filtration, and prompt replacement of contaminated parts are essential to restore valve function and maintain optimal pump performance for stability.
3. The Rexroth A11V(L)O hydraulic pump may experience reduced efficiency when piston surfaces become worn or scored, leading to diminished sealing capability and increased internal leakage; thorough inspection and timely refurbishment or replacement of worn parts are vital to restore efficiency and maintain the pump’s overall performance in critical applications effectively.