Рет қаралды 17,312
A stern tube with bearings radially supports the propeller shaft from the main engine. The stern tube is a hollow tube which accommodates the bearings, the seal boxes and the propeller shaft.
The stern tube is filled with oil, grease or water and forms a barrier between the water outside and the engine room inside the vessel.
The main advantages of stern tube aft seal’ are:
Short built-in lengths due to integrated guard.
Very good protection of the propeller shaft system against sand, debris, (sea)water, etc.
Aft seal is applicable within oil lubricated, grease lubricated and closed - l
CLASS type approved.