• 1 base frame with guide rails and sheaves support.
• 1 hydraulic jack.
• 2 horizontal sheaves, with carriage guided with rollers along the rail and attached to the rod end of the hydraulic jack.
• 2 vertical sheaves.
• Rollers mounted in front of the sheave to guide the cable.
• 1 piston accumulator oil/nitrogen certified by DRIRE.
• 1 Nitrogen reservoir certified by DRIRE.
  

This heave absorber is calculated to be in the central position at a certain load.
But this can be adjusted with the Nitrogen pressure.