Hydraulic systems & components


Create and recover energy all in one check valve

Third Quarter 2023 Hydraulic systems & components

Energen is a new, high-efficiency check valve from Sun Hydraulics that allows free flow from inlet to outlet, and blocks flow in the opposite direction. Composed of an integrated generator that converts power losses into useful energy, Energen delivers a robust approach to energy harvesting and check valve functionality. Energen generates power for attachments or implements where the harness can be damaged. It can also recover wasted hydraulic energy from a tank line or bypass system.

The story behind Energen

Born out of the first series of Sun’s Product Proceeding Technology (PPT) initiative, Energen is part of a new wave of technology that customers have been waiting for. The time frame from concept to initial prototype was less than a year, and involved the work of engineers who worked diligently to produce the valuable solution.

Benefits and features of Energen include the following:

• It converts parasitic hydraulic losses into recovered electrical energy.

• It allows power generation in cartridge valves for sensors, solenoid valves and other electronics.

• It eliminates wires and harnesses for improved reliability and safety.


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