Oil lubricated carosel
W?rtsil? Sternguard OLS seals
Long-lasting lip seal solutions

W?rtsil? Sternguard OLS seals

The Wärtsilä Sternguard OLS is an oil lubricated outboard (OLS3-P and OLS4-P) and inboard (OLS2-P) lip sealing solution which can be suited to many applications including merchant, cruise and ferry, offshore, inland water way (IWW) and thrusters. 

This seal is a conventional solution for these applications due to its high wear resistant seal rings and liner. The seal rings are made of Viton® rubber, a durable and long-lasting material tested to withstand turbulent weather conditions. The liner provides a running surface for the seal rings and protects the propeller shaft from wear. This solution is provided as a partially split offering but is also available as fully-split, with the possibility to perform retrofits without removing any shaft line components.

The majority of the different executions are suitable for stern tubes, but also can be adapted for thrusters and electric pods. Additionally, we offer the Wärtsilä Bio Seal ring which provides a longer service interval of at least 5 years when used with EALs (Environmentally acceptable lubricants), compared to conventional seal rings which are recommended to be changed every 2.5 years.

    Contact us

    Contact our 24/7 customer support at sls247@wartsila.com for assistance with shaft line solutions.

    To enable prompt response, please indicate the Equipment Serial Number or the name of the vessel. Equipment Serial Number is taken from the equipment nameplate and includes all letters and numbers as given on the equipment nameplate.

    For all other enquiries, please fill in the online form. Fields indicated with an asterisk (*) are required. We aim to respond within 1-2 business days depending on the scope of your enquiry.

    ? 2020 W?rtsil?
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