GHN Products

Piston Accumulators

Our piston accumulators stabilize pump flow and pressure while lessening the impact of leaks and shocks in hydraulic systems that require high fluid volume and flow rates. Depending on the selected seal material, our accumulators can withstand operating temperatures down to -30°F or up to 400°F. Choose from our standard bore size, volume capacity, and component options, or let us design and manufacture a piston accumulator to your exact specifications. Repair kits and mounting brackets are also available.


  • 3,000 PSI working pressure
  • Hydrostatic pressure tested at 4,500 PSI
  • Designed to ASME specifications
  • Lightweight aluminum piston for fast response
  • Threaded end caps made from forged steel bar make both sides repairable
  • Proven bi-directional seal on gas side
  • 22 standard volume capacity designs from 1 quart to 50 gallons
  • 4 standard bore sizes from 4 inches to 12 inches
  • Multiple piston sealing options available
  • Low friction/high speed seals available
  • Repair kits available, including O-Ring, O-Ring backup, hydraulic side seal, and gas side seal
  • Mounting brackets available

Piston Accumulator Product Configurator

Product configurator coming soon!

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Ryan Knaack

President & CEO

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