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AUTOMATED BOILER WATER MAINTENANCE SYSTEM RECEIVES DNV GL AiP

Saturday, June 15, 2019 

Granted an Approval in Principle (AiP), DNV GL and Wilhelmsen are currently working together towards a full type approval for Wilhelmsen's Digi-Boiler smart boiler water dosing system.

Wilhelmsen plans to qualify as an approved service supplier (AoSS) as part of the class society’s boiler monitoring (BMON) programme.

Minimising the risks associated with poor boiler water management, Wilhelmsen’s system monitors boiler water condition, dosing chemicals as and when they are needed. Delivering real-time condition monitoring, essential data is accessible to both the vessel’s crew and onshore staff, via a custom-made portal.

The DNV GL BMON class notation aims, like Wilhelmsen’s system, to negate the risk of corrosion and poor boiler water quality caused by inferior maintenance. Since 2012, over 150 vessels have been granted BMON classification, not one of which has reported any significant boiler condition issues.

Once having gained type approval and AoSS qualification, Wilhelmsen’s automated water treatment systems can be used on DNV GL classed vessels, as an alternative to periodic manual boiler water testing requirements for main class and BMON class notations. In addition, as vessels with BMON notation, equipped with Wilhelmsen’s system will benefit from a higher level of reliability, they could benefit from greater flexibility in terms of manual testing and inspections.

Commenting on the agreement, Rune Nygaard, Business Manager Ventures, Wilhelmsen Ships Service said: “Working with DNV GL to receive this type approval and become a service supplier is ideal, as we share the same vision for boiler water management. Consistent, accurate monitoring and dosing helps eliminate the unnecessary risks of premature boiler deterioration or in the worst cases failure. Customers were desperate for a solution and we are delivering it."

“We are very pleased to have worked with Wilhelmsen in awarding this AIP,” said Hamid Farahany, DNV GL Principal engineer. “With the BMON notation we have tried to make it easier for owners and operators to maintain their boiler plants in an optimal condition. Since its introduction, we have seen a very positive response and very good results from the vessels with the notation. Having approved systems like Wilhelmsen’s available to the market, will help to accelerate progress in this area.”

Working onboard seven different vessels for over a year Wilhelmsen is currently in advanced discussions with a number of companies looking to be first to equip their vessels with the production version of the system.

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