Lagersmit has been based in the Netherlands since 1856 and has one mission: to deliver Peace of Mind with the best sealing solutions for ships, pumps and tidal turbines. Examples of applications include seals for ship’s shafts, thrusters, tidal turbines and pump shafts. From its high-tech production location in Alblasserdam, Lagersmit serves the worldwide maritime, dredging, energy and industrial markets with high-quality sealing solutions. The company’s network of offices, agents and service stations covers the entire world.


Lagersmit believe a seal should deliver top performance, keep you going and offer you Peace of Mind. This idea led to the development of the Supreme seal. Introduced in the 1980s and further developed ever since, Supreme seals offer a ‘plus’ to many propulsion systems and vessels worldwide.

It is important that all sealing components are of the highest quality and are perfectly compatible with each other. In the production facility at the headquarters in Alblasserdam, the Netherlands, Lagersmit make sure their Supreme seals meet these high standards – adding quality and reliability to your propulsion system.

The Supreme stern tube seals and Supreme thruster seals are produced with high-quality housing parts, lip seals and liners. Modular, Made-to-Measure philosophy enables Lagersmit  to deliver customer-specific designs combined with short quotation, lead and delivery times. In addition, the Supreme seals are suitable for both new-build and retrofit applications.

The list of advanced options such as a Hard Metal Layer (HML) coating for extra durable liners and environmentally acceptable lubricant (EAL) compatible lip seals allows you to customise your seal design to your preferences.

The following benefits apply to all Supreme seals:

  • effective separation of water and lubricants
  • bonding in situ possible
  • optimised Total Cost of Ownership
  • available with a broad range of options
  • suitable for both new-build and retrofit applications
  • highly corrosion resistant
  • Modular, Made-to-Measure

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