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Case Study


BWTS system, prefab and installation

STEP's was solicited to fabricate, supply and install a complete BWT system.


It was received in dry dock a vessel to be updated with an Alfa Laval BWTS System (Ballast Water Treatment System), Pure Ballast 3.1.


Fabricate, supply and install a complete BWT system, following the master plan as described:

  • Reception of Alfa Laval equipment’s and piping drawings
  • Prefabrication of pipe spools
  • Installation aboard of piping and equipment’s
  • Electrical connection
  • Mechanical interconnection
  • Final tests

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