A22VG Axial Piston Variable Displacement Twin Pump

3 month ago

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4 year

Product details

I. Design Features

1. Axial Piston Configuration

The A22VG pump employs an axial piston design, with pistons arranged parallel to the drive shaft. This layout ensures smoother fluid pathways, enabling higher pressure generation and improved volumetric efficiency, making it ideal for high-pressure applications such as construction machinery, industrial presses, and mobile equipment.

2. Variable Displacement Functionality

By adjusting the swashplate angle, the pump's output flow can be dynamically regulated based on system demands. This design enhances energy efficiency, reduces heat generation, and allows for precise flow control.

3. Compact Structure

The twin-pump design is integrated into a single compact housing, making it suitable for installations with limited space.

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II. Technical Specifications

1. Model Example

A22VG Series 40, Size 45

2. Pressure Range

• Rated Pressure: 380 bar

• Maximum Pressure: 420 bar

3. Flow Control

• Flow rate is proportional to drive speed and displacement.

• Infinitely variable flow adjustment via swashplate angle modulation.

• Smooth flow direction reversal when the swashplate passes through the neutral position.

4. Case Drain

Both circuits share a common case drain port.

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III. Applications

1. Construction Machinery

Used in hydraulic systems of excavators, cranes, and other equipment requiring precise flow control and robust power output.

2. Industrial Presses

Meets stringent performance requirements in high-pressure, high-precision industrial applications.

3. Mobile Equipment

Suitable for various mobile hydraulic systems, including agricultural machinery and material handling equipment.

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IV. Performance Advantages

1. High Efficiency

Variable displacement design adjusts output based on load demands, minimizing energy waste.

2. Reliability

Built with high-quality materials and advanced manufacturing processes, ensuring long-term stable operation under harsh conditions.

3. Adaptability

Compatible with multiple hydraulic fluids, including mineral-based oils, to suit diverse application environments.

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V. Operation & Maintenance

1. Installation

The pump can be directly mounted or connected to a motor via a flexible coupling, ensuring minimal alignment issues and efficient torque transmission.

2. Maintenance

• Regularly inspect hydraulic fluid cleanliness.

• Replace filters and hydraulic oil as scheduled to maintain system cleanliness and prevent wear/efficiency loss.

3. Troubleshooting

A detailed troubleshooting guide is provided to help users quickly diagnose and resolve common issues.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

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Main Product: hydraulic motor, gear box, hydraulic pump , hydraulic valve , hydraulic winch, hydraulic system

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