Designed to enhance environmental protection and sealing reliability in stern tube systems. By creating a controlled air barrier between the sea and the lubrication system, it prevents cross contamination and supports long-term component performance. With reduced wear, regulatory compliance and real-time monitoring, PRIMAIR offers a forward-thinking sealing solution for modern vessels.

A water-lubricated seal system developed for environmentally responsible and reliable stern tube operation. Designed for durability and proven pollution-free performance, it supports vessels equipped with water-lubricated bearings. With straightforward installation and the possibility of servicing without dry docking, PRIME Blue offers a practical and efficient sealing solution for modern fleets.

A robust and proven sealing solution for conventional stern tube systems. Designed with multiple sliding connections for reliable sealing performance, it supports efficient maintenance and long service life. Divisible housing components eliminate the need for shaft withdrawal during servicing, while spacer rings and optional tungsten coatings further extend liner durability.

he PRIME Secure Stern Seal builds on the proven design of our standard stern seal, adding an additional sealing barrier for enhanced protection. This extra safeguard increases service life and significantly reduces the risk of stern tube oil leakage, supporting reliable propulsion performance and improved environmental security.