Shaoyang Victor Hydraulic Co., Ltd.
| Packaging Details | Standard Export Wooden Case |
| Warranty | 12 Months |
| Condition | Brand New |
| Supply Ability | 500 pcs per month |
| Material | Cast Iron |
| Application | Industial, Construction, Metallurgical...Machinery |
| Payment Terms | T/T |
| Color | Customized Color |
| Delivery Time | 15-30 Days after Payment |
| Structure | Hydraulic Piston Pump |
| Model Number | SY-A4VG |
| Certification | China Classification Society Certification |
| Brand Name | SY Hydraulic |
| Place of Origin | China |
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Product Specification
| Packaging Details | Standard Export Wooden Case | Warranty | 12 Months |
| Condition | Brand New | Supply Ability | 500 pcs per month |
| Material | Cast Iron | Application | Industial, Construction, Metallurgical...Machinery |
| Payment Terms | T/T | Color | Customized Color |
| Delivery Time | 15-30 Days after Payment | Structure | Hydraulic Piston Pump |
| Model Number | SY-A4VG | Certification | China Classification Society Certification |
| Brand Name | SY Hydraulic | Place of Origin | China |
Rexroth A4VG Series Axial Piston Variable Hydraulic Pump 56cc For Closed Circuit Mobile Machinery
1. Closed circuit hydrostatic transmission, nominal pressure 400 bar, peak pressure 450 bar
2. DA control configuration, stepless variable displacement
3. Integrated charge pump, pressure cut-off valve and overload relief valves
4. Smooth flow reversal, high volumetric efficiency under heavy load
5. Robust cast iron housing, shock-resistant, long service life
6. NBR sealing, compatible with mineral hydraulic oil
| Item | Specification |
| Model | A4VG56DAID732R-NZCO2FO23SH |
| Series | A4VG |
| Type | Swashplate Axial Piston Variable Hydraulic Pump |
| Displacement | 56 cm³/rev |
| Circuit Type | Closed hydraulic circuit |
| Nominal Pressure | 400 bar (40 MPa) |
| Max Pressure | 450 bar (45 MPa) |
| Body Material | Cast iron |
| Working Fluid | Mineral hydraulic oil HLP / HVLP |
Specifications:
| Warranty | 1 Year |
| Place of Origin | China |
| Type | Variable axial piston pump |
| Color | Available |
| Material | Cast iron |
| Application | Industrial Machine,Metallurgical Machine |
| Feature | High Quality |
| Delivery Time | 15 Days after Payment |
| MOQ | 1 Piece |
· Construction machinery
· Mining equipment
· Industrial hydraulic press
· Forging machine
· Hydraulic power unit
· Excavator auxiliary system
· Heavy-duty conveyor system
· Steel mill and metallurgical equipment
Competitive Advantage:
1. Equipped with DA speed sensing control, it automatically adjusts pump output flow according to engine speed to realize power matching between engine and hydraulic pump and avoid engine overload shutdown, achieving remarkable energy-saving effect on mobile construction machinery.
2. 56cc displacement closed-circuit piston pump with small size and light weight, suitable for the compact installation space of construction machinery. High-pressure design delivers stable power output and strong shock resistance, ideal for mobile equipment such as mini excavators and road rollers.
3. The core friction pairs adopt high-strength wear-resistant materials to adapt to harsh working conditions such as construction site dust and temperature fluctuation. Original and replacement spare parts are widely available in the market for easy maintenance and assembly, reducing equipment downtime losses.
The Analysis For Rexroth A4VG Piston Pump Common Breakdown:
1. Insufficient pump output flow and slow equipment movement. Wear of cylinder block and pistons or scratched valve plate causes increased internal leakage, so the pump cannot reach rated flow. It directly slows down the actuators of excavators and road rollers and reduces overall working efficiency, especially under heavy load.
2. Excessive abnormal noise and vibration of pump body. The main causes are contaminated hydraulic oil, air entering suction pipeline or bearing wear. Impurities and cavitation continuously erode precision internal parts. Noise and vibration gradually worsen. Long time operation may damage internal components and cause pump core seizure in serious cases.
3. DA control failure and abnormal power matching. Stuck DA control spool or fatigue failure of control spring disables speed sensing adjustment. It fails to automatically adjust flow with engine speed, which easily leads to engine stall or insufficient power output and affects the working stability of the whole machine.
Company Details
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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