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Enerpacs New High Tonnage Cylinders

Enerpac’s new High Tonnage Cylinders are designed to provide superior durability and side-load (eccentric load) protection. A wide range of new features will help maintain stability, increase wear resistance and corrosion protection and provide longer service life.

Key Features:

  • Nitrocarburization surface treatment improves wear resistance and corrosion protection
  • New bearing material and added bearing surface increase side-load protection
  • Composite bearings surround the seal providing support for eccentric loads
  • Low wear, high pressure seals provide longer service life

The new range of high tonnage cylinders includes four new series

HCG-Series
Single-acting Gravity Return
50-1,000 ton capacity		   HCR-Series
Double-acting Hydraulic Return
50-1,000 ton capacity
HCL-Series
Lock Nut
Single-acting Gravity Return
50-1,000 ton capacity		   LPL-Series
Low Profile Lock Nut
Single-acting Gravity Return
60-500 ton capacity

Nitrocarburization body and plunger protects against corrosion

1) Nitrocarburization

  • A nitrocarburization surface treatment is applied to both the inside and outside of the cylinder bases, pistons, stop rings and lock nuts
  • The treatment hardens the surface, improving wear resistance, fatigue life and side-load capacity

2) Composite Bearings

  • New bearings made from composite materials are less rigid, more stable and function better in cold conditions
  • An increase in bearing surface area also improves stability
  • The bearings surround the seal, creating a more complex leak path, reducing the chance of an external leak, should a seal fail
  • The bearings reduce the chance for metal on metal contact, by properly supporting the piston rod throughout the stroke, reducing galling and increasing side-load protection
  • The new design makes these bearings easily replaceable
  • Composite bearings are on the top and bottom of the HCG and HCR models cylinders, HCL models have a composite bearing on the bottom, the LPL models do not have composite bearings, but there is increased bearing surface.

3) Seals

  • Redesigned seals minimize drag and improve performance
  • A new material and optimized shape result in faster retraction speed and a longer lasting seal

4) Collar Threads

  • Will come standard on all HCR and HCG models for fixturing or accessories

5) Eye Bolts

  • Certified standard swivel eye-bolts provide safe handling and positioning

6) Base Mounting Holes

  • Allow for easy fixturing or attachment of other accessories. Base mounting holes are standard on all but the low height LPL series

To find out more about Enerpac’s new High Tonnage Cylinders go to hyquip.co.uk or telephone +44 (0)1204 699959
You can also contact us with any enquries direct here.
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