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Hydraulic Construction Machinery Piston Pump 350 Bar Variable Axial Piston Pump

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Hydraulic Construction Machinery Piston Pump 350 Bar Variable Axial Piston Pump

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Brand Name :SY Hydraulic
Model Number :SY-A11V(L)O
Certification :China Classification Society Certification
Place of Origin :China
MOQ :1pc
Price :USD 1500-3500 / pc
Payment Terms :T/T
Supply Ability :1500 pcs per month
Delivery Time :15-30 days
Packaging Details :Standard Export Wooden Case
Type :Variable axial piston pump
Power :Hydraulic
Straight Shaft Swashplate Piston Type :Axial Pump
Radial Plunger Pump Type :Axial Flow
Pressure :35MPa
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Construction Machinery Piston Pump 350 Bar Pressure & Heavy-Duty Application Guide

Features:

1. Cross-port sensing for precise load feedback
2. Multi-pump configuration capability (up to triple pumps)
3. Case drain pressure limitation (max 2 bar)
4. Fast response control (step response time <150 ms)
5. Dynamically balanced rotating group (up to 3000 rpm)
6. Case-hardened critical components (HRC 60+)
7. SAE standard mounting flanges (SAE J744 compliant)
8. Leakage monitoring ports with integrated case drain channels
9. Energy recovery optimization for hybrid systems
10. Global certifications (CE/UL/CCC compliant)

Technical data:

Without charge pump (A11VO)
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. Within the mining equipment industry, the Rexroth A11V(L)O pump is recognized for its rugged durability and high-performance capabilities. This axial piston pump is designed to operate in the harshest mining environments, delivering consistent hydraulic power even under extreme pressure and abrasive conditions. Its advanced control system and self-priming function ensure reliable start-up and optimal flow management, which are crucial for the continuous operation of heavy mining machinery. The pump’s compact design and robust construction facilitate easy integration into mining trucks, drilling rigs, and material handling systems. Energy efficiency and precise flow regulation further contribute to reduced operational costs and increased uptime. In addition, its innovative design minimizes maintenance requirements, ensuring long service intervals in challenging mining applications. Overall, this pump plays a vital role in maximizing productivity, safety, and performance in modern mining operations while supporting sustainable resource extraction practices.

2. In the demanding mining industry, the Rexroth A11V(L)O pump sets a benchmark for robust performance and reliability. This hydraulic pump is engineered to withstand extreme operational conditions such as high abrasive wear, shock loads, and fluctuating pressure environments. Its sophisticated control system and self-priming capability ensure smooth startup and consistent operation, making it ideal for heavy mining machinery used in ore extraction and material transport. The pump's energy-efficient design and precise flow adjustment contribute to reduced operational costs and increased uptime. Its compact yet durable construction allows for easy installation in confined spaces typical of mining operations. Additionally, the pump’s advanced features minimize maintenance intervals and extend service life, ensuring uninterrupted operation even in the most challenging settings. With its exceptional reliability and efficiency, this pump is an indispensable component for enhancing mining operations and ensuring continuous performance in challenging conditions.

Hydraulic Construction Machinery Piston Pump 350 Bar Variable Axial Piston Pump

Competitive Advantage:

1. Rexroth A11V(L)O is engineered for low noise operation by optimizing hydraulic flow paths and reducing internal friction, resulting in a quiet working environment; this innovative hydraulic pump minimizes vibration and noise pollution, thereby enhancing operator comfort and equipment durability while meeting stringent environmental standards in high-demand industrial applications, ensuring a silent yet powerful performance, delivering consistently remarkable operational quietness daily.

2. Rexroth A11V(L)O is designed for easy maintenance with a modular architecture and standardized components that simplify repair work and reduce downtime; this advanced axial piston pump enables quick troubleshooting and routine servicing, thereby providing significant operational cost savings and long-term reliability, while ensuring that maintenance procedures are efficient and minimally disruptive in demanding industrial settings, guaranteeing consistently optimal service performance.

3. Rexroth A11V(L)O boasts a compact design that offers powerful functionality in a small footprint, enabling easy installation in confined spaces; this advanced piston pump maintains high performance and efficiency despite its reduced size, thereby meeting the stringent requirements for compactness and flexibility in modern industrial installations, while delivering exceptional results in space-limited environments, ensuring consistently outstanding performance and operational excellence.

The Analysis For Rexroth A11V(L)O Axial Piston Pump Common Breakdown:

1. Signal transmission issues may stem from wiring faults, electromagnetic interference, or aging connectors, causing delayed or inaccurate control signal delivery that affects hydraulic regulation. It is recommended to inspect wiring, update old connectors, and implement better interference shielding. This piston pump must maintain robust signal integrity to ensure precise control and consistent system performance in demanding applications.

2. System overload is usually caused by operating beyond design limits, incorrect flow adjustments, or incompatible components, resulting in excessive pressure and heat that shorten component life and trigger cascading failures. It is recommended to operate strictly within rated parameters and perform load balancing. This axial piston pump must be used within safe limits to ensure reliable, efficient performance without damage.

3. Component wear is often caused by prolonged heavy-duty operation, inadequate lubrication, or poor oil quality, leading to seal failure and reduced precision that affect system stability. It is advised to perform regular inspections, replace worn parts promptly, and ensure proper lubrication. This hydraulic pump requires diligent maintenance to sustain optimal performance and extend service life under demanding conditions.

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