Hydraulic pump head control valve

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

I. Overview of the A4VSO Series

The A4VSO is an axial piston variable displacement pump produced by Bosch Rexroth, widely used in industrial equipment, construction machinery, mining and metallurgical machinery, marine applications, and other fields. This series of pumps offers advantages such as high pressure, large flow rate, high efficiency, and convenient flow adjustment, making them key components in hydraulic systems.

II. Constant Power Control

Constant power control is an important control method for the A4VSO series pumps. Under this control mode, the output power of the pump remains constant, meaning the product of the pump's output pressure and flow rate remains unchanged. When the system pressure increases, the pump's output flow automatically decreases; conversely, when the system pressure decreases, the pump's output flow automatically increases. This control method helps optimize system energy efficiency and avoid energy waste.

III. Displacement Mechanism

The A4VSO series pumps adopt a swashplate-type axial piston design, achieving variable displacement by changing the inclination angle of the swashplate. This design allows for infinitely variable flow adjustment of the pump to meet the demands of different operating conditions. The displacement mechanism is a crucial part of the pump's variable function, driving changes in the swashplate inclination angle through mechanical or hydraulic means.

IV. Cylinder Assembly

The cylinder assembly is one of the core components of the A4VSO series pumps, including key elements such as the cylinder block, pistons, and port plate. The cylinder block serves as the track for piston movement, while the port plate is responsible for distributing hydraulic oil to each piston chamber. The machining accuracy and sealing performance of the cylinder assembly significantly impact the pump's performance and lifespan.

V. Features of the A4VSO Constant Power Displacement Cylinder Assembly

1. High Efficiency and Energy Saving: Through constant power control, the pump can automatically adjust its output flow based on system demands, achieving energy efficiency optimization.

2. Infinitely Variable Flow Adjustment: The swashplate-type axial piston design allows for infinitely variable flow adjustment of the pump, meeting the needs of various operating conditions.

3. High Pressure and Large Flow Rate: The A4VSO series pumps feature high pressure and large flow rates, capable of meeting the demands of various heavy-duty machinery.

4. Compact Structure: The pump has a compact structure, making it easy to install and suitable for space-constrained applications.

5. High Reliability: Key components such as the cylinder assembly are manufactured from high-strength materials, undergoing precision machining and rigorous testing to ensure the pump's reliability and lifespan.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

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

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