Premium Range
Hydraulic Accumulator
BLADDER & PISTON TYPE ACCUMULATORS – ENERGY STORAGE, SHOCK ABSORPTION, VOLUME COMPENSATION FOR MARINE HYDRAULIC SYSTEMS (STEERING GEAR, DECK MACHINERY, CRANES)
TypeBladder / Piston
Capacity0.1 – 575+ Liters
PressureUp to 690 bar (10,000 psi)
BrandsBosch Rexroth, Parker, Olaer, Hydac
Full Technical Specifications ▶
| Parameter | Value / Range |
|---|---|
| Main Types | Bladder (low-cost, fast response), Piston (high pressure, large volume, gas/oil separation) |
| Nominal Volume | 0.075 – 575 liters (single vessel), higher with stations |
| Max Working Pressure | 210–350 bar standard / up to 690 bar for high-pressure models |
| Pre-charge Pressure | Typically 90% of minimum system pressure |
| Fluid Compatibility | Mineral oil, water-glycol (HFC), bio-fluids, phosphate esters |
| Shell Material | Carbon steel, stainless steel (316L for marine/offshore) |
| Gas Side | Nitrogen (pre-charged), bladder in nitrile, hydrin, viton, epdm |
| Certifications | Marine class (DNV, ABS, BV, LR), PED 2014/68/EU, ASME, PED |
| Applications | Steering gear emergency, crane counterbalance, winch shock absorption, pump pulsation damping |
| Operating Temperature | -20°C to +80°C (extended ranges available) |
High-quality bladder and piston hydraulic accumulators for marine and offshore hydraulic systems. Provide emergency power, absorb shocks, compensate volume changes, and dampen pulsations in steering gear, deck cranes, anchor winches, hatch covers, and other critical shipboard applications. Available in standard and custom configurations — new, repaired, re-certified, with pre-charge service and genuine spares from leading brands (Bosch Rexroth, Parker, Hydac, Olaer, Accumulators Inc.). Full marine classification support.
