• Thruster spare parts- High-quality, Type-approved stern tube seals — fully compatible with all major brands, without the OEM price tag.
  • Thruster spare parts- High-quality, Type-approved stern tube seals — fully compatible with all major brands, without the OEM price tag.

Stern Tube Seal testing facility

Stern tube seal test facility is capable of simulating all actual operating conditions of your vessel.

Advanced Stern Tube Seal & Oil Testing Facility

Our facility enables us to thoroughly evaluate seal performance under the most demanding marine conditions. Through repeated stress testing and realistic simulations, we ensure resilience, compatibility, and long-term performance. We can test a wide range of oils and sealing materials, including mineral oils, EAL oils, Viton, and (H)NBR. In addition, we can simulate and evaluate potential technical issues that may arise on board, allowing us to provide tailored advice.

stern tube seal test facility

Testing facility

Driving Innovation in Marine Propulsion Service

At RM Propulsion, marine propulsion service is at the core of what we do. We continuously improve our methods to deliver reliable and efficient solutions for our customers. By combining practical experience with engineering expertise, we enhance performance, extend service life, and support dependable vessel operation.

Our dedicated stern tube seal testing facility plays a key role in this approach. Here, we test seals with a wide range of lubricants, including environmentally acceptable lubricants (EALs), under realistic operating conditions. This allows us to ensure consistent sealing performance and reliability.

By evaluating seal performance across different oil types, we support shipowners in meeting environmental requirements without compromising durability or functionality.

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