Alfa Laval reapplies for USCG approval using ‘stain’ test

Alfa Laval became the first ballast water management system (BWMS) supplier to reapply for US Coast Guard (USCG) type-approval September 21st after its first application was rejected in December. That failure was, according to a statement to Ballast Water treatment technology, because the USCG said the testing regime that it and others had used was not acceptable, so Alfa Laval commissioned new tests on its PureBallast 3 family using the CMFDA/FDA ‘stain’ test protocol.

Alfa Laval carried out their own research tests at DHI in Denmark and BallastTech-NIVA in Norway with official testing being commissioned from DHI with class DNV GL preparing a test report package. The class society is accredited as an independent laboratory by the USCG for this role.

In a statement, Anders Lindmark, general manager, said the testing involved the same hardware, power consumption and flow as the IMO-approved version of PureBallast 3.

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