Accumulatori idraulici

Gli accumulatori idraulici HYDAC sono componenti essenziali per ottimizzare gli impianti idraulici immagazzinando l'energia idraulica e compensando i flussi volumetrici. Si basano sul principio della comprimibilità dell'azoto per assorbire fluidi idraulici incomprimibili sotto pressione. Le nostre soluzioni di accumulatori riducono la potenza di trasmissione installata, smorzano i picchi di pressione e proteggono le funzioni critiche in caso di guasti alla pompa. Grazie al coordinamento preciso dei lati di gas e liquidi, garantiscono prestazioni costanti del sistema e aumentano la durata dell'intero impianto idraulico.

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Accumulator types in comparison

Accumulator types	Key benefits	Examples of application areas
Bladder accumulator	Rapid reaction, high gas-fluid separation	Machine tools, energy storage
Piston accumulator	Large volumes, high pressure ratios	Press construction, heavy industry, offshore
Diaphragm accumulator	Compact design, low weight, cost-efficient	Mobile hydraulics, suspension
Metal bellows accumulator	Maintenance-free, permeation-free, for extreme temperatures	Aerospace, medical technology

Integration & system benefits

The integration of a HYDAC hydraulic accumulator enables significant efficiency gains in industrial processes. In addition to the classic emergency function in the event of power failure, they are primarily used for leakage compensation and thermal volume expansion. For engineers, the reduction of vibrations and noise emissions through effective pulse damping is particularly relevant. Our accumulators comply with international pressure vessel guidelines (such as PED, ASME, CRN) and can also be integrated modularly into existing systems thanks to an extensive range of accessories, such as safety and shut-off blocks and fastening elements.

Selection criteria & tool support (online tools)

The correct configuration is crucial for the operational safety. Factors such as the maximum operating pressure, the required draw-off volume and the gas pre-tension (p₀) define the accumulator type and also the accumulator model. Use our digital engineering tools such as ASP light or the p₀ calculatorto accurately simulate the thermodynamic state changes. This ensures that the accumulator is neither over-sized nor at the performance limit, which sustainably optimises the total cost of ownership (TCO).