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A11V(L)O Rexroth Piston Pump Cast Iron 300 Bar For Construction Machinery

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A11V(L)O Rexroth Piston Pump Cast Iron 300 Bar For Construction Machinery

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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
Application :Coal Mining Machinery
Displacement :40 60 75 85 95 115 130 145 190 260
Seals :NBR Shaft Seal Ring in FKM
Shaft End :Z P S T
Rated Pressure :35MPa
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Rexroth Piston Pump Cast Iron Construction 300 Bar for Construction Machinery

Features:

1. Volumetric efficiency up to 96% @250 bar.
2. 15-20% higher power density than industry peers.
3. Noise level ≤75 dB(A) @1500 rpm.
4. Bimetallic cylinder block with bronze slippers.
5. Pressure compensator control (optional remote adjustment).
6. Load-sensing control (LUDV system compatible).
7. Maximum working pressure 350 bar (intermittent).
8. Speed range 800-3000 rpm (continuous operation).
9. Tapered piston design reduces lateral forces.
10. Intelligent cross-port pressure relief protection

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 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. The Rexroth A11V(L)O pump delivers exceptional performance in large-scale construction machinery by providing reliable, efficient, and high-pressure hydraulic power. Its innovative design integrates advanced control options with robust self-priming capabilities, ensuring seamless operation even under extreme load conditions. The incorporated hydraulic pump technology optimizes energy consumption and offers precise flow regulation, contributing to improved overall productivity and safety on construction sites. Additionally, the compact structure and high power density enable easy integration into diverse construction equipment such as cranes, excavators, and concrete mixers. The pump’s ability to adjust output flow in real-time ensures optimal performance across varying workloads, making it a critical component in heavy-duty construction environments. With advanced manufacturing techniques, the pump guarantees long-term durability and consistent performance, earning its place as a preferred choice in the construction machinery industry for high-demand applications. This exemplary performance reinforces its reputation as a market leader in delivering sustainable and efficient hydraulic solutions in the construction sector.

2. In the realm of construction machinery, the Rexroth A11V(L)O pump is renowned for its outstanding reliability and high efficiency. Engineered with cutting-edge technology, this axial piston pump features self-priming and real-time flow adjustment capabilities, ensuring stable performance even under heavy loads and frequent start-stop cycles on busy construction sites. Its precision design plays a vital role in various applications including lifting, excavation, and concrete pouring. The pump’s compact yet robust build facilitates easy installation and significantly enhances overall energy efficiency and operational safety. An intelligent control system embedded within the pump automatically adjusts to varying field conditions, substantially reducing maintenance intervals and operational costs. With its exceptional engineering performance and durability, this pump has become the preferred choice for many construction equipment manufacturers. Its innovative design and superior functionality continue to drive the construction industry towards more efficient and eco-friendly practices.

A11V(L)O Rexroth Piston Pump Cast Iron 300 Bar For Construction Machinery

Competitive Advantage:

1. The Rexroth A11V(L)O piston pump is engineered with an innovative self-priming mechanism, advanced control options, and a compact design that ensures high power density, superior energy efficiency, and low noise operation, making it ideal for a wide range of mobile and industrial applications while delivering reliable performance and outstanding durability under challenging conditions, ensuring maximum uptime and global excellence consistently.

2. The Rexroth A11V(L)O axial piston pump combines innovative design with superior performance by offering variable flow control, integrated self-priming, and energy-efficient operation, which ensures exceptional reliability in both mobile and industrial applications, reduces operational expenses through precise regulation, and delivers consistent high-pressure output that meets the most demanding engineering requirements worldwide while achieving unparalleled efficiency and market leadership absolutely outstanding.

3. The Rexroth A11V(L)O hydraulic pump is distinguished by its state-of-the-art self-priming feature, variable displacement capability, and robust construction, which enable seamless integration into a wide variety of mobile and industrial applications while delivering superior performance, reducing maintenance intervals, and ensuring high operational efficiency and safety for complex engineering projects around the world, boosting productivity and global competitive advantage remarkably innovative.

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

1. The Rexroth A11V(L)O hydraulic pump may produce excessive noise when cavitation occurs or misalignment happens in the pump assembly, indicating potential internal damage; inspection of cavitation conditions, realignment of components, and prompt corrective maintenance are crucial to prevent damage and ensure quiet, efficient, and reliable pump operation under varying workloads.

2. The Rexroth A11V(L)O axial piston pump may experience excessive vibration caused by imbalanced rotating components or loose mounting fixtures, which can lead to accelerated wear and potential damage to internal parts; regular vibration analysis, proper balancing, and secure mounting are essential to maintain operational stability and prolong pump service life.

3. The Rexroth A11V(L)O hydraulic pump may encounter seal failure due to material fatigue or improper installation, resulting in fluid contamination and reduced system performance; immediate inspection, cleaning, and replacement of faulty seals are required to prevent further contamination and maintain optimal hydraulic performance promptly.

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