Products Accumulators and accessories Hydraulic accumulators and accessories from Rexroth Hydro-pneumatic accumulators Hydraulic accumulators are mainly used to minimize the pump drive power, to compensate flows, to smooth pressure peaks and as energy accumulators and pulsation dampers. Accumulators assemblies Complete accumulator assemblies with safety block according to DIN 24552, optionally with bladder-type or diaphragm accumulators. Accumulator safety blocks Accumulator safety blocks for protection, isolation and unloading of hydraulic accumulators, which meet the requirements and safety regulations according to DIN 24552 pressure vessel regulations and the technical rules for pressure vessels (TRB 403 and TRB 404).