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Bladder-Type Accumulators


Hydro-pneumatic bladder-type accumulator

The HAB design is a hydro-pneumatic type accumulator with compressed nitrogen separated from hydraulic fluid by means of an elastomeric bladder. The current generation of bladder accumulators from Bosch Rexroth carries the HAB-6X designations. The HAB product line is available in many different configurations needed to meet the stringent demands of today’s market.


  • Sizes 1L to 50L
  • Hydraulic accumulator according to Pressure Equipment Directive 2014/68/EU
  • CE stamp on all units 2.5L and larger
  • NBR (buna) and ECO (Hydrin) bladder options
  • Two piece gas valve design for improved serviceability


  • Energy storage in systems with intermittent operation
  • Energy reserve for emergencies
  • Compensation for leakage losses
  • Impact and vibration dampening
  • Flow compensation based on pressure and temperature effects


GoTo product focused delivery times are available only for the quantities and if applicable, the preferred options listed for the product. Order spikes can cause temporary extended lead times. If your need is critical please contact the factory for confirmed delivery times.