Shaoyang Victor Hydraulic Co., Ltd.
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Variable Displacement Construction Machinery Piston Pump for Mobile Machinery
Features:
1. Low-noise operation (ISO 4412 compliant, typical <75 dB(A))
2. Multiple displacement options (40-260 cc/rev)
3. High-pressure capability (peak pressure up to 400 bar)
4. Long service life with hardened piston/slipper assemblies
5. Wide temperature range (-40°C to +90°C) for harsh environments
6. Service-friendly design with field-replaceable control modules
7. Contamination resistance (ISO 4406 19/17/14 filtration requirement)
8. Digital control interface with optional CANopen/J1939 protocols
9. Hydrostatic bearing design minimizes frictional losses
10. Pressure cut-off function for overload protection
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 | 12 months |
| Transport Package | Standard Export Wooden Case |
| Material | Cast Iron |
| Type | Construction machinery piston pump |
| Production Capacity | 1000-3000 pcs/month |
| HS Code | 8413503190 |
| Application | Mobile Crane,Hard Rock Roadheader,Rotary Drilling Rig,Crawler Crane |
| Maximum speed | 2780rpm |
| Delivery Time | 15-30 Days after Payment |
| Displacement | A11V(L)O 95/115/130/145/165/190/260 |
Applications:
1. For lifting operations, the A11V(L)O series pump uses a hydraulic pump to achieve consistent and controlled hydraulic performance. Its advanced flow control system guarantees stable operation during rapid start-stop cycles and heavy load lifting. This hydraulic pump minimizes operational shocks and ensures safety while optimizing energy usage. With its durable design and precise regulation, it is a top choice for modern lifting equipment, driving enhanced productivity and reliability in industrial crane applications and heavy-duty hoisting tasks, making it indispensable today.
2. In mobile machinery, the A11V(L)O series pump is designed to provide consistent hydraulic performance using an axial piston pump, ensuring smooth and efficient mobility. Its advanced flow control and pressure regulation features allow the machine to adapt to varying terrain and load conditions without disruption. This hydraulic pump enhances operational reliability and minimizes downtime, making it an ideal solution for mobile equipment. With robust construction and high efficiency, this axial piston pump delivers superior performance for dynamic industrial applications indeed.
3. For mobile machinery applications, the A11V(L)O series pump employs a hydraulic pump to guarantee steady hydraulic performance under diverse operating conditions. Its innovative design enables consistent flow and rapid response to load changes, ensuring that mobile equipment navigates rough terrains with stability and precision. This hydraulic pump is engineered to reduce energy consumption and extend service life, making it a preferred choice for modern off-road vehicles and heavy-duty transport systems, thereby boosting overall efficiency and productivity.
Competitive Advantage:
1. Rexroth A11V(L)O features an advanced integrated design that optimizes structural layout and component synergy, reducing system complexity and assembly errors; this innovative hydraulic pump enhances overall performance and stability while simplifying maintenance and future upgrades, thereby meeting the high compactness and reliability demands of cutting-edge industrial applications and setting a new benchmark in engineering excellence, ensuring consistently unmatched system performance.
2. Rexroth A11V(L)O is built with robust construction using high-strength materials and advanced manufacturing processes that ensure exceptional structural integrity and durability under prolonged heavy-duty operations; this state-of-the-art axial piston pump effectively resists wear and shock, extends service life, and minimizes failure rates, thereby providing customers with a reliable and stable operational experience in demanding environments, ensuring superior performance daily.
3. Rexroth A11V(L)O is manufactured with high precision techniques and rigorous quality control measures that guarantee flawless component integration and exceptional performance in demanding applications; this advanced piston pump meets strict requirements for precision control and stability, earning widespread market recognition and customer acclaim, and it consistently delivers superior results in both performance and reliability, ensuring consistently unmatched quality and efficiency.
The Analysis For Rexroth A11V(L)O Axial Piston Pump Common Breakdown:
1. Abnormal vibrations may arise from loose internal components, imbalance, or improper installation, leading to accelerated wear, reduced efficiency, and potential cascade failures. Excessive vibration also increases noise levels. It is recommended to perform balancing corrections and secure all mounting points. This hydraulic pump must operate with minimal vibration to ensure long-term reliability and optimal system performance.
2. Delayed startup may be linked to inadequate self-priming, mismatched control parameters, or slow electrical response, disrupting workflow and reducing efficiency. It is recommended to assess self-priming performance, adjust startup settings, and test the electrical control system. This axial piston pump must activate promptly to maintain high operational efficiency and support continuous production processes.
3. Control system failure can be caused by sensor malfunctions, signal interference, or damaged electronic components, resulting in inaccurate hydraulic regulation and potential equipment shutdown. It is advisable to perform regular sensor checks, replace faulty electronics, and enhance signal shielding. This hydraulic pump relies on a robust control system to maintain precise, continuous operation under varying load conditions.