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China factory - Shaoyang Victor Hydraulic Co., Ltd.

Shaoyang Victor Hydraulic Co., Ltd.

  • China,Shaoyang ,Hunan
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China A4VG71 Variable Axial Piston Pump 3300 RPM Cast Iron for Agriculture Machinery
China A4VG71 Variable Axial Piston Pump 3300 RPM Cast Iron for Agriculture Machinery

  1. China A4VG71 Variable Axial Piston Pump 3300 RPM Cast Iron for Agriculture Machinery

A4VG71 Variable Axial Piston Pump 3300 RPM Cast Iron for Agriculture Machinery

  1. MOQ: 1pc
  2. Price: USD 2000-4000 / pc
  3. Get Latest Price
Payment Terms T/T
Supply Ability 500 pcs per month
Delivery Time 15-30 Days after Payment
Packaging Details Standard Export Wooden Case
Model NO. A4VG
Color Customized
Transport Package Wooden Box
HS Code 8413606090
Brand Name SY Hydraulic
Model Number SY-A4VG
Certification China Classification Society Certification
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability 500 pcs per month
Delivery Time 15-30 Days after Payment Packaging Details Standard Export Wooden Case
Model NO. A4VG Color Customized
Transport Package Wooden Box HS Code 8413606090
Brand Name SY Hydraulic Model Number SY-A4VG
Certification China Classification Society Certification Place of Origin China
High Light A4VG71 Variable Axial Piston PumpAgriculture Machinery Axial Piston Pump 3

A4VG71 Variable Axial Piston Pump 3300 RPM Cast Iron for Agriculture Machinery

 

 

Features:

 

1. High volumetric efficiency design helps reduce energy consumption.

2. Compact construction saves installation space and facilitates system integration.

3. Superior mechanical sealing technology ensures leak-free operation.

4. High dynamic response performance accommodates rapid and transient load changes.

5. Constructed with high-strength materials to enhance durability and service life.

6. Infinitely variable flow via swashplate angle adjustment.

7. Smooth flow direction reversal via neutral swashplate position.

8. Multiple adaptable control device configurations.

9. Dual high-pressure relief valves for overload protection.

10. High-pressure relief valves with integrated boost function.

 

 

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 SY-A4VG
Place of Origin China
Type Costruction machinery piston pump
Color Available any color
HS Code 8413503190
Application excavator, road rollers, pavers
Feature High Quality
Delivery Time 15-30 Days after Payment
MOQ 1 Piece

 

 

Applications:

 

1. Closed-circuit design with 400 bar pressure ensures stable power for hydraulic excavators in heavy loads, while swashplate adjustment adapts to complex terrain.
 
2. Integrated boost valves in mining trucks enable energy recovery and overload protection, extending operational lifespan.
 
3. Designed specifically for construction machinery applications, this state-of-the-art piston pump technology in the A4VG series offers superior performance and reliability in high-pressure hydrostatic drives. It delivers consistent fluid power under varying loads and ensures optimal energy efficiency while operating in demanding environments. The system’s integrated boost pump and dual relief valves provide excellent safety features, making it an ideal solution for heavy-duty construction tasks and long operational cycles in dynamic worksite conditions. Engineered for reliability and optimized performance, exceeding expectations.
 
4. Optimized for agricultural machinery, the A4VG series hydraulic pump delivers precise control and consistent energy output for modern farming equipment. Its variable displacement design adapts seamlessly to varying operational demands while ensuring minimal energy loss and high efficiency in irrigation, harvesting, and tilling processes. The pump’s integrated safety features, including boost functionality and dual relief valves, guarantee reliable performance under harsh rural conditions. This innovative solution enhances productivity and reduces maintenance costs, making it indispensable for advanced agricultural hydraulic systems.

 

 

 

Competitive Advantage:

 

1. Featuring a built-in pressure cut-off and low-pressure relief valve, the A4VG series offers advanced overpressure protection and energy management, reducing the risk of system overload and damage while maintaining smooth hydraulic control, making it an ideal hydraulic pump for both high-performance industrial applications and mobile machinery requiring reliable safety measures.

 

2. Offering superior adaptability in various operating conditions, the A4VG series combines high dynamic response with variable flow control, advanced safety features, and integrated boost pump technology, making it a highly efficient piston pump that delivers consistent energy output, reduced maintenance costs, and exceptional durability in demanding industrial and mobile applications.

 

3. Engineered with a focus on energy conservation and reduced operational costs, the A4VG series employs advanced variable displacement technology, integrated boost features, and dual pressure relief valves to deliver consistent, efficient performance as a high-quality axial piston pump, making it an outstanding choice for eco-friendly industrial and mobile applications today.

 

4. Offering precise control over flow and pressure, the A4VG series utilizes cutting-edge variable displacement mechanisms and integrated safety features to ensure rapid responsiveness and optimal energy usage, positioning it as a top-tier piston pump ideal for both high-performance industrial systems and dynamic mobile applications that demand consistent fluid power today.

 

 

The Analysis For Rexroth A4VG Closed Circuit Piston Pump Common Breakdown :

 

1. In this axial piston pump system, the variable displacement mechanism can fail due to wear and control malfunctions, causing inconsistent flow regulation and pressure instability that jeopardizes overall performance, reduces efficiency, and may lead to premature system failure, thereby necessitating timely maintenance and accurate fault diagnosis to ensure reliable operation.

 

2. In this piston pump, failure of the mechanical sealing elements due to wear or improper installation can lead to internal and external fluid leakages, resulting in loss of hydraulic efficiency, contamination, and system failure, thus requiring careful inspection, prompt replacement, and improved installation practices to maintain optimal performance and longevity.

 

3. In this piston pump system, malfunction or misadjustment of the pressure relief valves can result in erratic pressure regulation, causing unexpected pressure surges, inefficient energy utilization, and increased wear on hydraulic components, thereby requiring immediate troubleshooting, precise recalibration, and potential replacement to maintain optimal system safety and performance without any delay.

 

 

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • 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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  • Shaoyang Victor Hydraulic Co., Ltd.
  • The intersection of Century Avenue and Baima Avenue,Shaoyang Economic and Technological development Zone,Shaoyang city,Hunan Province
  • https://www.pistonpumpmotor.com/

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