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DNV GL TYPE APPROVAL FOR WILHELMSEN DIGITAL BOILER SYSTEM

DNV GL TYPE APPROVAL FOR WILHELMSEN DIGITAL BOILER SYSTEM

Monday, November 16, 2020 

Alongside the Type Approval for the Digi Boiler automated dosing system, Wilhelmsen has now been certified as the first and only approved service supplier for DNV GLís BMON+ class notation.

Reducing the inherent risks associated with poor boiler water management, Wilhelmsen’s system monitors boiler water condition and doses the required amount of chemicals as and when they are needed. Delivering real-time condition monitoring, key boiler water data is accessible to both the vessel’s crew and onshore staff, via an online portal.

Wilhelmsen says its system complements the enhanced approach towards boiler management advocated by the DNV GL BMON class notation. Aiming to negate the risk of corrosion and poor boiler water quality caused by inferior maintenance, more than 250 vessels have been granted DNV GL’s BMON classification since 2012. A DNV GL report published in September 2018 found that not a single vessel with the BMON notation had reported any significant boiler condition issues.

Rune Nygaard, Business Manager Ventures, Wilhelmsen Marine Products’ Open Innovation division said: “Our system is tried, tested and proven at sea, but we understood that Type Approval was an absolute necessity, and so we initiated this process with DNV GL. This took a lot of work, but we now have a Type Approved system for automated testing and dosing of boiler water chemicals on vessels. In addition, having Wilhelmsen approved as a service supplier on behalf of DNV GL, as part of their BMON+ program would constitute a great benefit to our customers. They could have less frequent class inspections and therefore a lot more flexibility, on top of a better boiler protection”.

Hamid R F Farahany, DNV GL – Maritime said: “We are very pleased to have worked with Wilhelmsen on both the Type Approval and the Service Supplier approval. By obtaining these approvals, Wilhelmsen are demonstrating that they have met a set of independently developed and verified quality standards. Having a type approved system in place that monitors and maintains key parameters while documenting them digitally, reduces the inconsistencies introduced by the human factor. Combined with the certainty of follow up using a DNV GL approved service supplier, this can only build confidence in the benefits of this new approach. This is especially important as one of the key aspects of the BMON notation is an enhanced approach to boiler water management. Reducing the probability of corrosion, scaling and contamination is also expected to generally support the safe operation of boilers.”

Hapag Lloyd has been using the Digi Boiler system for more than two years, reporting that: “We are always looking for ways to further improve our vessel operations and we instantly saw the inherent value in Wilhelmsen’s Digi Boiler system. Refined and adjusted over time based on our, and others direct feedback, the now type approved system is the final word in boiler water testing and dosing”. 

The Digi Boiler system is based on an automated test and treat methodology controlled by pH, ORP and conductivity for boiler water control in combination with temperature, pressure and flow for sample consistency and safety.

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