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The A7VO hydraulic pump is engineered for high performance and reliability in demanding industrial and mobile applications. Built on an inclined-axis axial piston design, it delivers exceptional efficiency and a compact structure, making it ideal for high-pressure, high-power systems. By varying the swashplate angle, the pump enables precise displacement control, ensuring optimal power utilization across diverse operating conditions.
One of the key advantages of the A7VO series is its constant power variable control capability. This feature allows stepless flow adjustment within the set pressure range, automatically matching the actuator’s demand while maintaining stable system pressure. With full power control functionality, the pump maximizes engine output—particularly beneficial in high-power, low-displacement applications such as metallurgical equipment and heavy-duty construction machinery.
Designed to operate reliably under extreme conditions, the A7VO pump supports working pressures from 20 to 40 MPa, with peak pressure resistance up to 100 MPa. Precision-machined plunger and cylinder components ensure excellent sealing and volumetric efficiency even at maximum load, contributing to long-term durability and consistent performance.
The pump also offers versatile variable control options, including pressure and flow regulation, enabling seamless adaptation to various operational requirements. Its external control interface allows real-time parameter adjustments during operation, enhancing flexibility and simplifying maintenance. Furthermore, the axial drive configuration supports easy integration with auxiliary pumps—such as gear pumps—enabling modular system designs and improved overall efficiency.
Another notable strength is its application versatility. Specifically developed for open-circuit static hydraulic drives, the A7VO series performs reliably in both mobile and stationary setups. The infinitely variable flow control, responsive to changes in speed and displacement, ensures smooth operation across a wide range of working environments.











The A7VO hydraulic pump is engineered for high performance and reliability in demanding industrial and mobile applications. Built on an inclined-axis axial piston design, it delivers exceptional efficiency and a compact structure, making it ideal for high-pressure, high-power systems. By varying the swashplate angle, the pump enables precise displacement control, ensuring optimal power utilization across diverse operating conditions.
One of the key advantages of the A7VO series is its constant power variable control capability. This feature allows stepless flow adjustment within the set pressure range, automatically matching the actuator’s demand while maintaining stable system pressure. With full power control functionality, the pump maximizes engine output—particularly beneficial in high-power, low-displacement applications such as metallurgical equipment and heavy-duty construction machinery.
Designed to operate reliably under extreme conditions, the A7VO pump supports working pressures from 20 to 40 MPa, with peak pressure resistance up to 100 MPa. Precision-machined plunger and cylinder components ensure excellent sealing and volumetric efficiency even at maximum load, contributing to long-term durability and consistent performance.
The pump also offers versatile variable control options, including pressure and flow regulation, enabling seamless adaptation to various operational requirements. Its external control interface allows real-time parameter adjustments during operation, enhancing flexibility and simplifying maintenance. Furthermore, the axial drive configuration supports easy integration with auxiliary pumps—such as gear pumps—enabling modular system designs and improved overall efficiency.
Another notable strength is its application versatility. Specifically developed for open-circuit static hydraulic drives, the A7VO series performs reliably in both mobile and stationary setups. The infinitely variable flow control, responsive to changes in speed and displacement, ensures smooth operation across a wide range of working environments.















