Which component is essential for maintaining consistent pressure in a fluid power system?

Accumulators are critical components in fluid power systems because they store hydraulic energy in the form of pressurized fluid. When there are fluctuations in demand for fluid pressure—such as during the operation of various actuators or machinery—the accumulator releases its stored energy to maintain consistent pressure in the system. This ability to balance pressure variations helps ensure that the hydraulic system operates smoothly and efficiently, protecting other components from pressure spikes and drops.

While filters, valves, and compressors serve essential roles in fluid power systems—such as ensuring fluid cleanliness, controlling flow direction and rate, and compressing air or fluids respectively—none of these components specifically focus on maintaining pressure in the same way that accumulators do. Accumulators effectively allow the system to buffer against sudden changes in pressure, thereby stabilizing overall system performance.