A retrofit kit to convert MAN 32/40CD engines to operate primarily on gas – mainly boil-off gas – has been developed by MAN Energy Solutions and is now available for order, it says.
The new retrofit meets IMO Tier I emission limits and has been designed such that engine conversions can be carried out while dry-docking or sailing.
A Type Approval Test (TAT) with the participation of the three classification societies: DNV GL, American Bureau of Shipping, and Lloyd’s Register for the dual-fuel retrofit kit was completed in early October.
The TAT confirmed the suitability of the retrofit kit for converting the company’s field-proven MAN 32/40 engine into a dual-fuel unit – a so-called MAN 32/40R-DF type – that can now run on fossil and renewable, gaseous fuels, in addition to conventional fuel oil.
In a unique first, on account of the covid-19 pandemic, the TAT was primarily held online. Classification-society representatives followed proceedings remotely and only visited the testbed on the final day for component inspection and TAT certificate signing.
“Our special thanks goes to all our colleagues who made this retrofit project such a success and who helped us reach this important milestone, despite the difficult circumstances posed by COVID-19,” said Dr Matthias Auer, Head of Performance and Emission, R&D 4-Stroke at MAN Energy Solutions.
“Hosting this event virtually presented a new challenge that they met admirably and the feedback from the participating classification societies has been very positive.”
Bernd Siebert – Head of Engineering, After-Sales Marine – MAN Energy Solutions, noted: “This is another important milestone for the retrofit business at MAN Energy Solutions, offering our customers the possibility to convert their existing fleet to gas. The momentum towards cleaner and less carbon-intensive fuels is building and we are excited to play our part in developing appropriate solutions.”
Photo credit: MAN Energy Solutions
Published: 28 October, 2020
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