Shandong Keystone Hydraulic Co.,Ltd
| Payment Terms | T/T |
| Supply Ability | 5,000 units per month |
| Delivery Time | 7 work days |
| Packaging Details | Wooden boxes and cartons |
| Model No | HA4VSO |
| Part Name | Agricultural Machinery |
| Power | Hydraulic |
| Rotation Speed | 2000 rpm |
| Appliion | Construction Machinery Parts |
| Max Operating Temperature | 80°C |
| Brand Name | KERSTERN |
| Model Number | HA4VSO Series |
| Certification | SIO9001 |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 5,000 units per month |
| Delivery Time | 7 work days | Packaging Details | Wooden boxes and cartons |
| Model No | HA4VSO | Part Name | Agricultural Machinery |
| Power | Hydraulic | Rotation Speed | 2000 rpm |
| Appliion | Construction Machinery Parts | Max Operating Temperature | 80°C |
| Brand Name | KERSTERN | Model Number | HA4VSO Series |
| Certification | SIO9001 | Place of Origin | China |
| High Light | 2000rpm Excavator Hydraulic Pumps ，HA4VSO Excavator Hydraulic Pumps ，Industrial rexroth variable displacement axial piston pump | ||
The HA4VSO axial piston pump is a high-performance variable displacement hydraulic pump designed for industrial applications such as steel metallurgy equipment and hydraulic power units. With a continuous operating pressure of 350 bar and maximum 400 bar, this pump provides reliable hydraulic power in heavy-duty industrial environments. Its robust modular design and precision engineering make it ideal for steel processing plants and energy-intensive machinery requiring consistent and powerful hydraulic performance.
Steel Metallurgy Equipment: Hydraulic presses, rolling mills, and forging machines.
Hydraulic Power Units (HPUs): Centralized hydraulic systems powering multiple machines.
Heavy Industrial Machinery: Applications requiring precise control and high-pressure operation.
High Reliability: Engineered for continuous duty in industrial environments.
Pressure Compensation: Maintains constant system pressure up to 350 bar.
Energy Efficiency: Variable displacement matches flow to demand, reducing wasted power.
Low Noise Operation: Optimized port plate design reduces vibration and noise.
Modular Flexibility: Compatible with a wide range of industrial hydraulic systems.
| Size | 40 | 71 | 125 | 180 | 200 | 250/H | 355/H |
|---|---|---|---|---|---|---|---|
| Displacement (cm³) | 40 | 71 | 125 | 180 | 200 | 250 | 355 |
| Max Speed (rpm) | 2600 | 2200 | 1800 | 1800 | 1800 | 1900 | 1700 |
| Rated Pressure | 350 bar | 350 bar | 350 bar | 350 bar | 350 bar | 350 bar | 350 bar |
| Max Pressure | 400 bar | 400 bar | 400 bar | 400 bar | 400 bar | 400 bar | 400 bar |
| Max Flow (l/min) | 104 | 156 | 225 | 324 | 360 | 475 | 604 |
| Weight (kg) | 39 | 53 | 88 | 102 | 102 | 184 | 207 |
Alloy steel and cast iron selection
Precision CNC machining
Heat treatment for increased strength
Hydraulic testing under rated conditions
Final inspection and corrosion protection
Fill with ISO VG46 or VG68 hydraulic oil before operation.
Ensure oil cleanliness at NAS 9 or better.
Avoid exceeding maximum speed and pressure.
Inspect regularly for wear and leakage.
Replace filters and oil periodically to maintain efficiency.
Warranty: 12 months under normal operating conditions.
Technical Support: Expert assistance for installation and commissioning.
Original Spare Parts: Long-term availability of genuine components.
On-Site Service: Support for steel and industrial plants worldwide.
Q1: Can HA4VSO pumps operate continuously in steel rolling mills?
A1: Yes, they are specifically designed for continuous high-pressure industrial applications.
Q2: Are these pumps compatible with fire-resistant fluids?
A2: Yes, HF hydraulic fluids can be used but with reduced operating performance.
Q3: What makes HA4VSO suitable for industrial power units?
A3: Its modular design, high-pressure rating, and efficient control make it ideal for centralized hydraulic systems.
Company Details
Business Type:
Manufacturer
Year Established:
2019
Total Annual:
5000000-6000000
Employee Number:
>55
Ecer Certification：
Verified Supplier
Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw... Shandong Keystone Hydraulic Co., Ltd. is located in Tai bai hu new district, Jining city, Shandong Province, the hometown of Confucius and Mencius. It is only 40 minutes away from Jining Daxing Airport and Beijing-Shanghai High-speed Railway Station, and only 10 minutes aw...
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