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Accessories
Hydropneumatic Accumulators and Accumulator Accessories 

Hydro-pneumatic accumulators

Hydraulic accumulators are used above all to minimize the pump drive power, to equalize volumes, to smooth pressure peaks, to store energy and to dampen pulsation.
  • Bladder or diaphragm type accumulators assemblies
  • Charging and testing devices
  • Mounting elements
  • Safety elements
  • Type and pressure test certificates according to pressure vessel directive 97/23/EC

Accumulator, Safety and Shutoff Blocks
Sizes 20 and 30

  • Protection, isolation and unloading of hydraulic accumulators
  • Fulfill the requirements and safety regulations specified by DIN 24 552 and pressure vessel directive 97/23/EC
  • Type-tested safety valves
  • Electrical or manual relief valve
Safety Valves
Type examination according to TÜV

  • Type-tested safety valves
  • For safeguarding hydraulic accumulators
  • Acceptance testing according to pressure vessel directive 97/23/EC

Accumulator Charging Valve

  • Disconnection of a fixed pump
  • 2 pressure settings
  • Plate connection size 6

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Documentation

Bladder accumulator 

Diaphragm accumulators 

Safety valves 

Hydro-pneumatic accumulators
Accumulator type Bladder accumulator Diaphragm accumulators
Volume L 1 to 50 0.075 to 3.5

Accumulator, Safety and Shutoff Blocks
Size 20 30      
Operating pressure pmax bar 350 350      
Weight m kg 6 14,7      

Safety Valves
Operating pressure pmax bar 360        
Blow-off flow l/min up to 150        

Accumulator Charging Valve
Size 6        
Operating pressure pmax bar 315        
Weight m kg 40        



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Product Catalog Mobile Hydraulics, online version, last changed 2010-03-11
©Bosch Rexroth AG, subject to change