The US Coast Guard Marine Safety Center issued the 49th USCG BWMS Type Approval Certificate to Langh Tech Oy AB after a detailed review of the manufacturer’s type approval application determined the system met the requirements of 46 CFR 162.060.
The treatment principle of the LanghBW BWMS is based on filtration and UV treatment at intake and UV treatment at discharge with the option of UV treatment during intake only for salinities greater than 28 PSU. This approval covers two models with maximum treatment rated capacities of 300 and 600 m3/h.
So far, Knutsen Ballast Water AS, Semb-Eco Pte, Ltd., Miura HK-(E)R, HANLA IMS Co., Ltd., Miura Co., Ltd., Hyundai Heavy Industries Co., COSCO Shipbuilding Industry Co., Ltd, Alfa Laval Tumba AB, Wärtsilä Water Systems, Ltd., DESMI Ocean Guard A/S (Denmark), Scienco/FAST, De Nora (USA), Panasia (Republic of Korea), JFE Engineering Corporation (Japan), Headway Technology (People’s Republic of China), Alfa Laval (Sweden), Hyundai Heavy Industries (Korea), Wärtsilä Water Systems (England), BIO-UV Group (France) , Samsung Heavy Industries Co (Republic of Korea), Techcross (Republic of Korea), Optimarin (Norway), TeamTec Ocean Saver (Norway), Sunrui (China), Ecochlor (USA), Erma First (Greece), Alfa Laval Tumba, Cathelco Ltd., Miura Co. Ltd., BAWAT A/S, NKBMS Co. Ltd, Techcross, Inc., Kuraray Co., Ltd., oneTank, LLC, Elite Marine, Panasonic Environmental Systems & Engineering Co., Ltd., Alfa Laval Tumba AB, Kurita Water Industries, Ltd., SKF Marine GmbH, RWO GmbH, Wuxi Brightsky Electronic Co., Ltd., Atlantium Technologies and Langh Tech Oy AB have won the USCG type approval.
complete list of ballast water treatment systems approved
