Extended Smolt Farm is a raceway creating an optimal water flow

The Preline technology optimizes conditions for smolt and fish and reduces the risk of environmental harm.

The fish are protected in the 50 meter long enclosed tube, which has an elliptical cross-section. In each end there are propellers that create a natural water flow. Water from 25 to 30 meters in large quantities takes 3 to 5 minutes to pass through the system from end-to-end.

Features and benefits

The plant's physical characteristics

  • Sea based raceway ( pipe).
  • Water from 25 to 30 meters.
  • Current creators / propellers.
  • Sludge and dead fish traps.
  • Polyethylene is the main material.
  • The whole structure can be surfaced from the operational submerged position.
  • 9 hatches.
  • Emergency power and oxygen.
  • Construction in line with NS 9415.
  • Volume 2000 m3.

Product features

  • Enclosed / River
  • Enough oxygen / more even temperature
  • Low energy cost
  • Regulation-compliant collection of waste.
  • Possibility to use sludge as a resource
  • 20 year lifespan
  • Easier maintenance
  • Inspection / Feeding / Lighting
  • Reliable operations
  • Certifiable

Benefits for the fishfarmer

  • Water flow – fish exercise.
  • Optimized operations.
  • Protects against pathogens, parasites, predators.
  • Control of fish welfare.
  • No escapes.
  • Low mortality.
  • No lice treatment.
  • Minimal medication.
  • Control of feed spillage.
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