Heave Compensation and Shock Absorption Experts

Norwegian Dynamics has the highest quality and best designed heave compensators and shock absorbers in the market at the lowest cost, made possible by lean manufacturing, continuous development and product improvement.

Heave compensation equipment

Polaris lightweight crane shock absorber logo

Lightweight shock absorber

Polaris is our state-of-the-art shock absorber that is a true revolution for the wind installation industry. It has a much lower weight, much smaller footprint and much lower cost than any competitor.

  • DNV ST-0378
  • Max force 75-4000 t
  • Stroke 1.0-8.0 m
  • High efficiency (>90%)
  • Low weight
  • Small footprint
  • No external accumulators
  • Fast and easy setup
  • No oil filling
  • Topside design
Polaris crane shock absorber
Antares adaptive passive heave compensator logo

Adaptive passive heave compensator

Antares is a modern adaptive passive heave compensation unit designed based on lessons learned from decades of experience with subsea heave compensation equipment. It has advanced functionality, low operating risk and relatively low cost.

  • DNV ST-0378
  • Max force 10-2500t
  • Stroke 2.5-8.0 m
  • Piston rod locking
  • Splash zone mode
  • Temperature compensation
  • Depth compensation
  • Buoyancy compensation
  • Subsea mode with low stiffness
  • Quick lifting
  • No oil filling
  • Subsea design
Antares adaptive passive heave compensator can be used for heave compensation
Rigel basic passive heave compensator logo

Passive heave compensator

Rigel is a low-cost basic passive heave compensator that excels for simple tasks, such as splash zone crossings or tensioning.

  • DNV ST-0378
  • Max force 10-250 t
  • Stroke 0.5-6.0 m
  • Adjustable damping
  • Subsea design
Passive heave compensator
Vega active heave compensator logo

Active heave compensator

Vega is an inline active heave compensator that comes in topside and subsea versions. It is designed based on best practices to reduce complexity and risk.

  • DNV ST-0378
  • Max force 75-2500t
  • Stroke 2.5-6.0 m
  • Piston rod locking
  • Quick tension adjustment
  • Accurate AHC mode
  • Compatible with external MRU
  • No oil & gas filling
  • Subsea & topside design
Sirius tensioner logo

Riser tensioner

Sirius is a simple and low cost backup riser tensioner that can provide compensation in case of a main compensator failure. In our normal fashion this is done at a low cost.

  • DNV OS-E101
  • Max force 350/500 t
  • Stroke 3.0-12.0 m
  • Adjustable damping
  • Piston rod locking
  • Stroke measurement
  • Force measurement

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