50 years experience in Marine Breakaway Technology

The Marine Breakaway Coupling is a device designed to provide an identified safe parting point in a hose transfer system when it is subjected to excessive overload generated by a vessel moving off station and breaking it’s mooring hawser(s) or similar such incident.

The features of the Marine Breakaway Coupling are the following:

  • Subsea design from 20 meters downward
  • Controlled by Double Closure valves
  • Bi-directional usage
  • Reusable after breaking !
  • Release force: adjustable
  • Pressure rating: PN20 (290psi)
  • Working pressure: max. 17bar
  • Temperature from -55°C to +200°C
  • Design Closure Time: 1 – 6 seconds
  • Material: SS316 / Duplex
  • Spare-part-free, non-destructive separation
  • No shear pins involved and no destruction.
  • Start-up kit / Installation kit & Repair kit comes with the MBC


  • Bi-directional design.
  • Installation in either flow direction.
  • Easy reassembling after separation.
  • Immediately fully functional. No further activation required.
  • Cable-free activation
  • Non-destructive separation. No spare parts necessary.
  • No shear pins.
  • No special tools needed.