The A4VG series make-up pump

12 month ago

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4 year

Product details

The A4VG series make-up pump is an internally mounted make-up pump. The A4VG pump is an axial piston variable displacement pump with a swashplate structure, suitable for closed-circuit hydrostatic transmissions. It boasts high power density, external controllability, and convenient function expansion. The pump housing is of an integral design, incorporating the make-up pump, resulting in a compact structure with fewer sealing points, reduced weight, shortened external dimensions, and a high power-to-weight ratio.

The make-up pump not only supplies the make-up oil required by the system but also provides the control oil necessary for the variable displacement of the main pump. In the A4VG series pumps, the make-up pump is installed on the rear cover of the pump and can be selected with or without a through-shaft drive based on customer needs. The make-up oil pressure is limited by an internal make-up oil relief valve to ensure stable system operation.

The A4VG series makeup pump, more commonly known as the A4VG series variable piston pump, is a high-performance hydraulic pump widely used in various industrial and heavy equipment applications. Below are the specific details regarding the A4VG series makeup pump:

1. Basic Characteristics

• Type: Variable piston pump

• Application: Suitable for hydrostatic transmission systems, especially in high-pressure and low-noise environments.

• Core Components: Rotating components and variable mechanisms ensure efficient operation under different loads.

2. Technical Parameters

• Displacement Range: Varies from 28 cm³ to 250 cm³, allowing for a wide range of flow rates.

• Maximum Speed: Ranges from 2,400 rpm to 4,250 rpm, depending on the displacement.

• Rated Pressure: Can reach up to 40 MPa, with a maximum pressure of 45 MPa.

• Variable Control: Multiple variable control methods are available, including manual, hydraulic, and electrical proportional control

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

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