A membrane accumulator, also known as a bladder accumulator / diaphragm accumulator is a type of hydraulic accumulator used to store energy in the form of pressurized hydraulic fluid. Components and Structure Shell: The outer casing of the accumulator, typically made of high-strength steel or composite materials. Bladder / diaphragm (Membrane): A flexible, gas-tight are made of elastomeric material that separates the gas and hydraulic fluid within the accumulator. Gas Valve: Located at one end o