Approved Without Restrictions

OceanSaver BWT

Is designed to maximize the elimination of all waterborne organisms that can be carried in ballast water, without affecting ballast tank coating systems – protecting your assets, protecting the environment.

DNV and ABS IMO Type Approval

OceanSaver BWT is fully compliant with the IMO Ballast Water performance standards and complies with all the requirements in the International Convention for the Control and Management of Ships’ Ballast Water and Sediments. The system has been rigorously tested achieving and surpassing the legislated requirements and holds a full type approval for the entire range of systems from both DNV and ABS. OceanSaver BWT has been successfully delivered on vessels classed with DNV, ABS, Lloys, BV, Class NK and others.


DNV GL-Type Approval Certificate OceanSaver BWTS
ABS – Type Approval Certificate OceanSaver BWTS
US AMS Certificate OceanSaver BWTS

Ex certificate for hazardous area installations

OceanSaver BWT unique design features an »Approval in Principle» for gas hazardous areas installations, which is incorporated into the Type Approval. This allows the system to be installed on crude oil, product and chemical tankers.

USCG Type Approval

OceanSaver BWT was awarded a full unrestricted type approval certificate from the US Cost Guard on December 23. 2016 as the first electrochlorination maker in the world. US regulations require all vessels trading in US waters to treat their ballast water with USCG type approved ballast water treatment system before discharge. The USCG testing has been carried out on the existing MKII system without significant modifications proving the efficiency and reliability of the design. Owners with OceanSaver systems installed will be offered upgrade packages to achieve USCG compliance.

Quality Management

OceanSaver has quality at its core. Our reputation is defined by our results, and our results are defined by your satisfaction. We pride ourselves on a unique track record of success within shipping and are committed to staying at the forefront of the industry. The company is certified to ISO 9001:2008 standards. Successful shipowners understand that focusing on continual improvement, delivering customer satisfaction, and high organisational standards are essential for sustainable success.