Shaoyang Victor Hydraulic Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 500 pcs per month |
| Delivery Time | 15-30 days |
| Packaging Details | Standard Export Wooden Case |
| Theory | Rotary Pump,hydraulic Pumps |
| Application | combine harvesters, tractor |
| Pressure | High Pressure |
| Color | Customer's Request,customize |
| Product Name | Harvesting machinery piston pump |
| Brand Name | SY Hydraulic |
| Model Number | SY-A4VG |
| Certification | China Classification Society Certification |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 500 pcs per month |
| Delivery Time | 15-30 days | Packaging Details | Standard Export Wooden Case |
| Theory | Rotary Pump,hydraulic Pumps | Application | combine harvesters, tractor |
| Pressure | High Pressure | Color | Customer's Request,customize |
| Product Name | Harvesting machinery piston pump | Brand Name | SY Hydraulic |
| Model Number | SY-A4VG | Certification | China Classification Society Certification |
| Place of Origin | China | ||
| High Light | 3600rpm Axial Piston Variable Pump ，High Speed Axial Piston Variable Pump | ||
High-Speed harvesting machinery piston pump with max speed 3600rpm
Features:
1. Swashplate-type axial piston variable pump design for hydrostatic drives in closed circuit.
2. Application in closed-circuit hydrostatic drive.
3. Flow proportional to drive speed and displacement.
4. Infinitely variable flow via swashplate angle adjustment.
5. Smooth flow direction reversal via neutral swashplate position.
6. Multiple adaptable control device configurations.
7. Dual high-pressure relief valves for overload protection.
8. High-pressure relief valves with integrated boost function.
9. Integrated boost pump for feed and control pressure supply.
10. Built-in low-pressure relief valve for boost pressure limitation.
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
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Model
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A4VG series
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Place of Origin
|
China
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Type
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Harvesting machinery piston pump
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Color
|
Available any color | |||
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Type
|
Hydraulic pump Rexroth | |||
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Application
|
Mining equipment | |||
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Feature
|
High Efficiency,Long Life
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Delivery Time
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15-30 Days after Payment
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Condition
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Brand new
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Applications:
Competitive Advantage:
1. Modular axial piston pump enables rapid maintenance for mining trucks, through-shaft drive supports multi-pump configurations to reduce downtime.
2. Low-noise piston pump complies with urban environmental standards, contamination indicators monitor oil cleanliness to extend component lifespan.
3. Built-in pressure cut-off valves and servo monitoring in axial piston pump ensure stability and impact resistance for metallurgical equipment in high-temperature environments.
4. Cold-start valves in piston pump guarantee reliable operation of agricultural machinery in sub-zero conditions, hydraulic displacement control optimizes harvesting efficiency.
5. Fast-response axial piston pump dynamically adapt to load changes in timber loaders, minimizing hydraulic shocks.
Details model of Rexroth axial piston pump of A4VG:
| R902019830 | A4VG56NVDT1/32L-NZC02F025S-S |
| R902022075 | A4VG71NVDT1/32L-NZF02F021S-S |
| R902022832 | A4VG71HWDT1/32L-NZF02F001S |
| R902023102 | A4VG90NVDT1/32R-NZF02F021S-S |
| R902023119 | A4VG90NVDT1/32L-NZF02F021S-S |
| R902023804 | A4VG125NVDT1/32R-NZF02F021S-S |
| R902023832 | A4VG125NVDT1/32L-NZF02F021S-S |
| R902024056 | AA4VG125HWDT1/32L-NSF52F001D |
| R902026000 | AA4VG180NVD1/32R-NSD52XXX1S-S |
| R902026252 | A4VG180HWD1/32R-NZD02F001S |
| R902028052 | A4VG56NVDT1/32L-NZC02F045S-S |
| R902029282 | A4VG125NVD1/32L-NZF02XXX1S-S |
| R902044842 | A4VG125NVD1/32R-NSF02F021D |
| R902048619 | A4VG90HWD2/32R-NSF02F731S |
| R902048855 | AA4VG40DWD1/32R-NZCXXFXX3D-S |
| R902063240 | A4VG125HWD3L/32R-NZF02F071K |
| R902072787 | A4VG28DGDT1/32R-NSC10F045S-S |
| R902074032 | A4VG90HWDT1/32L-NZF02F001S |
| R902080089 | A4VG56HWD2/32R-NZC02F003S |
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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