Wärtsilä has announced the introduction of EvoTube, described as 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 utilisation and eases maintenance tasks.
The EvoTube concept is suitable for both oil and water lubricated systems, also facilitating future conversion from oil to water lubrication systems, effectively environmentally future-proofing vessels anytime during the vessel’s operational life.
Rob Burford, VP Wärtsilä Shaft Line Solutions, said: “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.
