5/2/2019: Marine Safety Center issues ballast water management system type approval certificate to Wärtsilä Water Systems, Ltd.

The Coast Guard Marine Safety Center has issued the 18th U.S. Coast Guard Ballast Water Management System Type Approval Certificate to Wärtsilä Water Systems, Ltd. The treatment principle of the Wärtsilä Aquarius UV BWMS consists of filtration with UV treatment at uptake and discharge.