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Home / Products / Hydraulic Pump / Piston Pump / A8VO Series Hydraulic Oil Pump Axial Variable Displacement Piston Pump

A8VO Series Hydraulic Oil Pump Axial Variable Displacement Piston Pump

A8VO A8VO28 A8VO55 A8VO58 A8VO80 A8VO107 A8VO125 A8VO140 A8VO160 A8VO200
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High-performance A8VO axial piston pump, engineered for superior efficiency and reliability in demanding industrial applications. Designed with precision, the A8VO pump features a robust axial piston mechanism, where core components—such as the center plunger, ring plunger, pump chamber, and seven-hole plate—work in harmony to ensure optimal hydraulic performance.


The working principle centers on precise volume control: as the plunger reciprocates within the cylinder bore, oil is efficiently drawn in and discharged, achieving volumetric efficiency of over 95%. By adjusting the tilt plate’s angle, displacement can be continuously varied, enabling seamless integration into dual-pump configurations like 2-loop systems. The integrated distribution plate ensures accurate flow direction, while the static pressure balance sliding shoe structure minimizes noise and enhances operational stability.


Notable technical advantages include high dynamic response and intelligent control capabilities. The pump comes equipped with an integrated pressure sensor and electronic control unit, supporting CAN communication for real-time speed regulation, system protection, and remote monitoring. Its modular design simplifies maintenance and allows flexible function expansion, making it ideal for complex environments such as construction machinery and mobile hydraulics.


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