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These Olaer bladder accumulators can operate at pressures between 40 bar and 80 bar are available from Hytec Fluid Technology.
This bladder accumulator from Bosch Rexroth has a nominal volume of between 1 to 50 litres and a maximum operating pressure of 350 bar.
These Hydac hydraulic accumulators available from Hytec Fluid Technologies feature back-up nitrogen bottles to increase the gas volume in the accumulator.
Olaer bladder SBV silicone filled accumulators available from Hytec Fluid Technology feature high working temperatures of 150°C
These Olaer bladder accumulators available from Hytec Fluid Technology can operate up to 350 bar.
These Olaer bladder accumulators can operate at pressures up to 350 bar are available from Hytec Fluid Technology.
These Olaer bladder accumulators available from Hytec Fluid Technology can operate up to 330 bar.
These Olaer bladder accumulators can operate between pressures of 16 bar and 30 bar are available from Hytec Fluid Technology.
This EBV range of Olaer bladder accumulators available from Hytec Fluid Technology can operate at pressures up to 40 bar.
These Olaer bladder accumulators can operate up to pressures of 40 bar are available from Hytec Fluid Technology.
The SB standard pressure series from Hydac securely stores hydraulic fluid whilst maintaining pressure.
The SB low pressure series from Hydac securely stores hydraulic fluid whilst maintaining pressure.
The SB high pressure series from Hydac securely stores hydraulic fluid while maintaining pressure.
The Olaer bladder accumulators available from Hytec Fluid Technology can operate at pressures up to 350 bar.
These Olaer bladder accumulators available from Hytec Fluid Technology can operate in temperatures ranging from -15°C to 80°C.
These Olaer bladder accumulators can operate at pressures up to 690 bar are available from Hytec Fluid Technology.
- Olaer bladder accumulators have a wide pressure range, adapt to different fluids and have elastomers with a very high grade of impermeability. They can be adapted to suit low and high temperatures, can be installed horizontally or vertically and cannot be disassembled while under pressure. The range includes standard bladder accumulators as well as those designed for oil & gas, ASME and high pressure.
- Hydac bladder accumulators consist of either welded or forged pressure vessels, the accumulator bladder itself and the fittings for the gas-side and medium-side connection. They come in a standard design but special designs for particular applications, such as for very high discharge speeds and high pressure, are possible.
- Bladder type accumulators from Bosch Rexroth are mounted with clamping collars and consoles, have maximum flow rates from 240 to 900 litres a minute and maximum operating pressure of 330 bar. Hydraulic fluid used is hydraulic oil according to DIN 51524, but other fluids are provided on request.
Contact me about bladder accumulators from the Bosch Rexroth South Africa Group of Companies
Bladder accumulator applications
- Energy storage in order to save pump drive power in intermittent operation systems
- Energy reserve for emergencies, e.g. upon failure of hydraulic pump
- Compensation of leakage losses
- Impact and vibration absorption in case of periodic vibrations.
- Volume compensation in case of pressure and temperature changes
The benefits of using bladder accumulators:
- High discharge speeds
- No pressure differential between fluid side and gas side
- Compact, low-maintenance
- High charging and discharge frequencies
Inspecting and testing your accumulators
Accumulators should be subjected to internal and external inspections and hydrostatic pressure tests. Hytec Fluid Technology (HFT), a Bosch Rexroth South Africa Group Company, has an accumulator certification centre incorporating an accumulator test bench to help clients comply with regulations governing accumulator usage. HFT is authorised to provide certification of manufacture and the verification signature of an Approved Inspection Authority.