Bosch Rexroth HAB4-350-6X (data sheet RE 50170) bladder-type hydro-pneumatic accumulator, 4 litres nominal volume, 350 bar maximum operating pressure, component series 6X. Seamless high-strength steel shell with an elastic NBR bladder separating the nitrogen gas charge from the fluid side; the oil valve in the G3/4" fluid connection prevents bladder extrusion. Applications: energy storage in intermittent-duty hydraulic circuits, energy reserve, leakage-loss compensation and shock/vibration absorption. Quoted per RFQ against destination Incoterm.