Scottish Sea Farms Container

Project details

In 2022, KER Group were awarded the contract to design a complete Refrigerated Sea Water (RSW) container for a Salmon processing factory.

Works completed


  • Designed for a salmon processing factory
  • Sea water temperature set point at -1°C with fresh water set point at 1°C
  • Provide chilled water for salmon intake tank & processing area
  • 2 x 275Kw Freon R134a RSW systems

Containerised 2 x 275Kw Freon R134a RSW systems

This system was designed for a salmon processing factory. Its purpose is to provide chilled water for 2 x salmon storage tanks. The 2 x RSW chiller systems were fit within a 20ft container which allows for the complete system to be housed & secured on site with little disruption to existing processing plant. 2 x chillers supplied had titanium tubes for improved chilling & increased lifetime of equipment. 2 x J&E Hall screw compressors, 2 x air cooled condensers, 2 x Desmi RSW pumps were also supplied.

KER PLC control cabinets c/w 15″ HMI screens include outputs for remote operation. The PLC systems controls the valves & RSW system. A freon gas alarm system was integrated into the PLC system for safety. All stainless steel & plastic piping was conducted by the KER team. The system has the option of fresh or seawater setup. The set point temperature range is adjustable to requirements.

All works were carried out in Killybegs, Co. Donegal & delivered to Shetland Islands.

KER Refrigerated Sea Water (RSW) product offering


Client: Scottish Sea Farms
Location: Lerwick, Shetland Islands, Scotland