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Hannon has been a global leader in repairing hydraulics for 40 years.

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innovative solutions that address any complex challenge.

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If we don't have it or can’t find it, we will build you any custom part.

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Equipment Removal & Installation, Servicing, Inspection & Upgrades.

Marine Riser & Guideline Tensioner Equipment Manufacturer

Custom Hydraulics Equipment Manufacturing, Industrial Equipment Repair, Replacement Parts and Field Service

Hannon Hydraulics TensionersHannon regularly works on tensioners, such as marine risers, guideline, and direct acting tensioners. We have the ability to repair, recertify or manufacture to your needs.

  • 80K up to 300K
  • 2400-psi to 3600-psi
  • Single or double acting
  • Single or dual mount
  • Wire rope or chain
  • Velocity control by
    • Anti-recoil valve or fluid cushioning.

Hannon also offers enhanced corrosion resistance on new and rebuilt cylinder rods by coating with chrome over nickel plating or laser clad with Inconel 625.

Our MRT’s, GLT’s, and direct acting tensioners can directly replace existing units or we offer custom designs to upgrade tensioning capabilities without modifying the existing rig structure or mounting configurations.

All equipment is provided fully assembled, pressure and function tested, painted with marine 3 part coating and manufacturing record books.

ABS and DNV certifications are available.

We work on any size and to all certification needs. If you need installation and training, Hannon has a team that offers commissioning services. All of our equipment comes with a warranty.

Other Equipment Offerings

  • Skidding / walking systems
  • Mast raising cylinders
  • Sub-base raising cylinders
  • Hydraulic cat walk
  • Hydraulic Top Drives
  • Hydraulic rotary table
  • Hydraulic cat head (EZ Torque)
  • Iron Roughneck
  • Finger board
  • Distribution Manifolds