JQ/CS 39 Stern Shaft Sealing Apparatus is designed to prevent outboard water from entering the hull through the shafting and hull, or to prevent oil from flowing out of the ship in the case of oil lubrication. It consists of a tire, a water seal carrier, and an airtight seal carrier, it can be equipped with emergency sealing device.

Th stern shaft sealing apparatus plays a vital role in the design and manufacture of ships. It can effectively protect the engine room of the ship from seawater erosion, and improve the safety and reliability of the ship. The marine stern shaft seal can also reduce bearing’s wear and failure, extend the service life of the bearing, reduce the cost of maintenance and replacement.