Shaft Seals

SeaThigor

ShaftSealSQ2

The Thordon SeaThigor Seal is a mechanical face seal for 300mm (11.8") to 750mm (29.5") water lubricated propeller shafts found in yachts, cruise ships, merchant ships and naval vessels. The SeaThigor has evolved from a design first tested in 2003 and improved during the next decade.

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TG100

ShaftSealSQ6

The Thordon TG100 is a new mechanical seal designed specifically for 86mm (3.375") to 305mm (12") shaft vessels operating in either clean or abrasive-laden waters including workboats, harbor tugs, offshore supply vessels, yachts, ferries, fishing trawlers and self-propelled dredgers. 

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BlueWater Seal

ShaftSealSQ7

The Thordon BlueWater seal is a water lubricated forward seal for 300mm (11.811”) to 1000mm (39.370”) propeller shafts found in various vessels, such as yachts, cruise ships, merchant ships and naval vessels. The simplicity of the seal design provides minimal seal maintenance.

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Documents

 

References

References articles of Thordon commercial Propeller shaft bearings in blue water operation

 

Design

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The final (fully finished) sizing of a Thordon elastomer or ThorPlas bearing can be determined by using the Thordon Bearing Sizing Calculation Program.

You cannot run the Thordon Bearing Sizing Calculation Program Version 2017, Release 10 without a User Registration Number. Once you have a User Registration Number you can download the Program below and enter it when prompted.

Click here to Request a Bearing Sizing Program User Registration Number

If you have a Bearing Sizing Program User Registration Number, you can download the program here


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Our Newsletter

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  • News Thumbnails 320x160_NW23-MF

    Thordon Merchant Fleet NewsWorks 2023

    Thordon’s web-based newsletter specifically developed for marine users of oil-free and grease-free bearings in the merchant marine sector. This newsletter includes articles that highlight our successes on tankers, bulk cargo carriers, ferries, and cruise ships with COMPAC seawater-lubricated propeller shaft bearings, and ThorPlas-Blue deck equipment installed and used around the world. We also introduce Thordon’s new BlueWater Seal and highlight the largest rudder bearing Thordon has ever produced.
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Recent Marine News

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  • ThordonNews-Nov722-thumb

    Thordon Bearings Prove Their Worth in Abu Dhabi Offshore Platform Pumps

    Nov 08, 2022
    Thordon Bearings’ water-lubricated elastomeric polymer bearings have been installed to well pumps aboard an undisclosed offshore oil platform operated by Abu Dhabi National Oil Company (ADNOC). Five KSB three-stage mixed flow impeller-type pumps were each retrofitted with Thordon pump bearings - 13 SXL intermediate bearings, four Composite bearings and a single SXL throttle bearing, replacing the original silicon carbide bushes.
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  • ThordonNews-Oct2822-thumb

    Senasa Ship Lift Operational After Conversion to Thordon's Grease-Free Solution

    Nov 01, 2022
    The marine railway at the Senasa Shipyard in Mazatlán, Mexico is fully operational following a complete bearing change to Thordon’s grease-free ThorPlas-Blue bearings. The operator converted to ThorPlas-Blue to support increased workboat loads and to reduce shipyard downtime due to frequent emergency repairs to the original bronze bearings in the loading wheels of the ship cradle.
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