These regenerative controls are designed for cylinder applications where a fast approach is required. The regenerative function combines pump flow with oil displaced from the annulus of the cylinder. In the extend mode the cylinder starts at a fast speed: As load progressively increases nearer to the end of the cylinder stroke the regenerative flow is unloaded to tank. Remaining cylinder stroke is completed at the speed determined by the pump flow rate. In retract mode the cylinder is allowed to retract at the normal speed (pump flow rate)
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