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Wärtsilä Launches EvoTube to Revolutionize Shaft Line Technology

Wärtsilä
3D Rendering of EvoTube®, Demonstrating Effortless Transition Between Oil and Water Lubrication. Unmatched Versatility and Technical Excellence in Marine Propulsion Technology by Wärtsilä

Published Dec 10, 2023 4:26 PM by The Maritime Executive

[By: Wärtsilä]

Wärtsilä announces today the introduction of EvoTube® a breakthrough in Shaft Line technology, poised to redefine efficiency and environmental responsibility in marine propulsion systems.

EvoTube® is a significantly simplified system with fewer components than a conventional stern tube system. The inboard seal is mounted directly on the aft bearing housing, and the forward bearing is replaced with a standalone bearing inside the engine room. Its intelligent design optimizes space utilization and eases maintenance tasks.

The EvoTube® concept is suitable for both oil and water lubrication systems, also facilitating future conversion from oil to water lubrication systems, effectively enviromentally future-proofing vessels anytime during the vessel’s operational life.

Rob Burford, Vice President of Wärtsilä Shaft Line Solutions, says “We’re thrilled to announce EvoTube® - a game-changer in marine propulsion. Wärtsilä's commitment to innovation shines through in this technology, offering shipowners and operators an environmental future proof option of seamless transition from Oil to Water. EvoTube® is not just a product; it's a testament to our dedication to advancing the maritime industry with cutting-edge solutions that simplify operations while minimizing environmental impact."

With a 90% reduction in required oil volume for stern tube lubrication, EvoTube® enhances efficiency and reduces operational costs. The system's advancements, including eliminating shaft corrosion in water lubrication, present a low-risk solution for shipyards and designers, streamlining the design process and contributing to overall operational efficiency.

The products and services herein described in this press release are not endorsed by The Maritime Executive.