Optimarin gains new revised Type Approval under the new BWMS Code, IMO Resolution MEPC.300(72) certificate for its market proven, simple and robust ballast water treatment (BWT) technology. The news ensures complete global compliance for a growing customer base, with the very latest orders received from  Arriva Shipping, for its fleet of advanced dry bulk vessels, and Østensjø Rederi, for four newbuilds currently under construction at Spain’s Gondan shipyard. A total of around 1000 Optimarin Ballast Systems (OBS) have now been sold, of which 700 are already installed. The majority of systems currently being ordered are for retrofitting.