The Cap used in a hydraulic accumulator is used to hold the piston in place. One end cap has a filler valve installed to perform the same function as the filler valve installed in the spherical accumulator. The other end cap is designed to hold the piston in placeAttributes:• Ensures high operating reliability • Allows the piston to rise until the maximum pressure is reachedApplications:The Cap used in the hydraulic accumulator prevents flow back to the pump.