Fish farming cages
KJ has produced Offshore Fish Farming Cages since the early 1990’s. The cages are specially designed for the most exposed conditions around the world.
The steel bracket is the most used bracket in the Faroe Islands, tested in rough and harsh conditions of the shores of the Faroe Islands, produced according to Norwegian NS9415 standard and tested at open sea in up to 19 meters waves and load tested with 50 ton pull load, strong and solid and easy to install, this is the best solution for the strongest cages.
Tested by Faroe Islands national research company www.fiskaaling.fo
OFFSHORE FISH FARMING CAGES
By combining the flexibility of plastics with the strength of steel, KJ has constructed a net cage system that satisfies the present day high requirements to strength and safety.
Float pipe dimensions available: ø200mm, ø225mm, ø250mm, ø315mm, ø450mm and ø500mm.
All-welded steel brackets with powerful mooring attachment lugs.
KJ employs plastic tube welders with a lot of experience from installation both – domestically and abroad.
THE CAGE CONSISTS OF
• Double or triple floating pipes in PE100 polyethylene plastics.
• Polystyrene is injected into the floating pipes.
• Hand rail tubes in PE100 polyethylene plastics.
• Hot dipped galvanized all-welded steel brackets
• Secondary safety system all around the circumference secures the assets if a fracture or damage to the floating tubes were to occur.
• Plastic bushings between the steel brackets and the floating pipes increase the service life of the cage.
• Mooring attachments are standard equipment and secure proper attachment of the moorings.
The standard bracket has a two different options for bird net pole holders. Option one is a integrated bird net holder where the pole goes into the railing pillar. Option two is a bolt on option, where two brackets are bolted into the railing pillar to hold the pole.
SINKER TUBE BRACKET:
The sinker tube bracket has an integrated tube placed in between the PE pipes allowing easy adjustment of the sinker tube. Another option for late installation is a bolt on bracket that makes it possible to use the standard bracket as a sinker tube bracket.
DOUBLE ANCHOR BRACKET:
The double anchor bracket is strong and solid with built-in tube for the anchoring. Mooring attachments are standard equipment and secure proper attachment of the moorings. The double anchor bracket is tested with +50 ton pull load.
The sinker tube consists of a 280 to 400mm PE pipe ring filled with wire at specified weight. This tube is then attached to the sinker tube brackets with a combination of dynema ropes and chain.
There are about 600 cages on the shores of the Faroe Islands. 97% of them are with steel bracket.
KJ is the main sea cage supplier on the Faroe Islands. Our cage designs have evolved through close collaboration with onsite fish farmers that use our products and through our own inhouse development.
KJ has a flexible design and production team that allows for quick changes in design making it possible for the customer to specify size and other features if needed.
KJ has manufactured around 300 cages the last 5 years with main sizes of 128 meters up to 200 meters, according to the table above.
Other than the Faroe Islands KJ has provided sea cages to: Shetland(UK), Iceland, Finland, Scotland(UK) and Orkney(UK).