Hydraulic Accumulators

— Hyspecs Hydraulics

EPE Hydro-pneumatic Accumulators...Hyspecs stocks a full line of bladder and diaphragm accumulators. EPE's range of piston accumulators are available on indent order.

Accumulators are used in hydraulic circuits for the following reasons:

  1. Fluid power storage - in the case where a large flow rate is required for a short period.

  2. Pulsation damper - to maintain smooth operation where needed.

  3. Volume compensator - protection for components against thermal shock.

  4. Pressure compensator - where constant static pressure is required for a long period an accumulator will compensate for pressure loss due to seepage through joints, seals etc.

  5. Counter balancing - balancing of a force or weight can be achieved by using hydraulic pistons driven by an accumulator.

  6. Hydraulic line shock damper - rapid valve closure can produce shock waves (i.e. water hammer) resulting in over-pressurisation of pipes, joints, valves etc. Accumulators can neutralise or significantly reduce this.

  7. Shock absorber - used in suspension of mobile machinery like fork-lifts, cranes, agricultural equipment etc.

  8. Hydraulic spring - can be used as an alternative to a mechanical spring.

  9. Fluid separator - can be used where pressure has to be transferred between two incompatible fluids.

All bladder type accumulators are serviceable and some diaphragm non-welded types. Charge kits are also available for many types of connections. 

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Bladder Type

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Diaphragm Type

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