The JAK®-coupling comes in two basic models, the standard P-type is pneumatically actuated and electrically controlled. There is also a hydraulically actuated and electrically controlled, H-type available.

There are three sizes available: the JAK®-200, the JAK®-400 and the JAK®-700:

JAK® Type Tug Displacement* Tug Power* Barge Displacement*
JAK®-200 100 - 500 ton 500 - 1,000 hp 500 - 3,000 ton
JAK®-400 350 - 1,000 ton 600 - 4,000 hp 1,000 - 30,000 ton
JAK®-700 650 - 1,600 ton 2,000 - 7,000 hp 10,000 - 80,000 ton

*These values are for reference only

JAK® Type SWL
Radially on Rod

Max. Significant
Wave Height

Typical Operational Area
JAK®-200 2 x 200 tons 2 - 4 m / 6.5 - 13 ft River, Inland, Coastal
JAK®-400 2 x 400 tons 6 - 8 m / 20 - 26 ft Coastal, Restricted areas
of Navigation
JAK®-700 2 x 700 tons 6 - 8 m / 20 -26 ft Coastal, Restricted areas
of Navigation

Power Consumption

The power consumption is max. 5 kW/ vessel for all the units.

Air Demand

The required pressure air working pressure is 425 psi.

Weights of Delivery Components

JAK® Type Cylinder Units

Guide and Socket
Plate Assembly*

Pneumatic and
Electric Panel
JAK®-200

2 x 1,900 kg
2 x 4,100 lbs

2 x 2,700 kg
2 x 5,900 lbs

100 kg
220 lbs

JAK®-400 2 x 4,100 kg
2 x 9,000 lbs
2 x 8,250 kg
2 x 18,200 lbs

100 kg
220 lbs

JAK®-700 2 x 7,000 kg
2 x 15,450 lbs
2 x 9,800 kg
2 x 21,600 lbs
100 kg
220 lbs

*Weight depends on min/max draught of barge, shown values are for reference only