Are you looking for specialized hydraulic tensioning products and tooling solutions for torque transfer driven by passion for engineering? Products that would serve you for years and help successfully manage all challenges in various heavy-duty industries such as Power Generation and Petrochemical?

Since 1993 Riverhawk develops and manufactures products for torque transfer with an ever-growing passion, which allow a quick and safe servicing of your machinery. Riverhawk offer products for threaded anchors and nuts, hydraulic hub shrink disks and hydraulic flange tensioning systems. Supporting industry around the world to meet every day’s challenges your machinery faces.



The best alternative for your traditional interference fit Hub, keyed Hub, threaded Shaft or other Shaft end connection.

This hub solution is specifically designed to accelerate the assembly time at any shaft of your machinery. The installation itself is simple and secure due to the slip fit, which converts in a proper interference fit and ensures torque transfer once the Riverhawk Shrink Hub Clamp is set.

Its advantages at one glance:

  • No direct hydraulic mount on shafts

  • No need for keys, splines and tapered shafts

  • No need for heat at assembly

  • No need for ring /plug gages

  • No risk of scoring the shaft and hub bore on installation and removal

  • Can retrofit existing or damaged/repaired shafts


Call us to find out more or discuss your particular situation.




Riverhawk offers a wide range of product solutions in the field of flange connection systems for torque transfer with heavy-duty machines. We will support you with a technical advice or help you out if you ever need an occasional spare part. Riverhawk Hydraulic Tensioners have many advantages, some of those are:


  • Optimized occupational safety

  • Lightweight construction

  • Overlift protection


Riverhawk clamping systems have been specified for General Electric (GE) turbine shaft trains and have become the accepted standard to ensure secure torque transfer.

With the course of time different iterations and upgrades of the existing tensioners have been developed – get in touch with us to find out the best solution for your situation.