Regenerative systems – How they work

When working with a fixed flow rate but aiming to increase the speed of a hydraulic cylinder, regenerative circuits are a common solution.

How does regenerative operation work?

The principle involves redirecting oil from the rod (minus) side of the cylinder back to the piston (plus) side. This causes the cylinder to move faster but with reduced force.

Regenerative operation in compactors

In some applications, it’s desirable to switch between regenerative and normal operation – for example, in compactors. When the cylinder moves through a section without load, the system automatically engages the regenerative mode, allowing the press head to move quickly. Once the press head contacts the material to be compacted, the pressure increases, and the system switches to normal operation to utilize full force. This is known as pressure-sensitive control.

Systems in constant regenerative mode

For applications that don’t require automatic switching, there are full-time regenerative systems that always operate in regenerative mode. This setup allows for the use of a smaller pump, which benefits installation dimensions, weight, and cost.

Pre-assembled manifolds for regenerative systems

Available in both in-line and sandwich-mounted versions. In-line models are available up to SAE 1 ½” flange, and sandwich types up to NG25.

Feel free to contact us – we’ll help you find the right solution!