GHN Products

Intermediate Pressure Hydraulic Cylinders

Nopak’s Class 6 intermediate pressure tie-rod cylinders are available for hydraulic services up to 1,500 PSI. Standard cylinders can be made with 1.5”-20” diameter bore, with larger diameters available upon request. Work with a Nopak engineer to customize your intermediate pressure cylinder to your specifications by selecting the correct diameter, mounting style, stroke length, cushioning, materials, and more. Class 6 cylinders can also be engineered for water service.


  • Available for hydraulic and pneumatic (air) power sources.
  • Cushion Adjustment Needle: Needle valves and ball check drilling and machining are identical, making location of these functions interchangeable.
  • Cushion Sleeves: Precision fitted with predetermined taper to provide gradual deceleration and reduce shock.
  • Cylinder Tubing: Honed steel tubing standard (H6).
  • Piston Rod: High tensile 100,000 PSI minimum yield stress-proof steel, ground, polished, and flash chrome plated .0003/.0005 to provide a hard long-wearing surface with low friction but not corrosion resistant.
  • Tie Rod: Material alloy steel for maximum strength. Multiple tie rods in each corner are furnished on all 16”-20” diameter cylinders.
  • Tube Seal: Two-step pilot recess grooves afford positive controlled squeeze on pressure sealed O-ring, while tubing locates concentrically against end cap.
  • Cushion Ball Check: Assures quick starting under full power; pressure acts on full piston area instantaneously.

Intermediate Pressure Cylinder Product Configurator


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Ryan Knaack

President & CEO

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