... design features, as well as test results, are presented. seal assembly labyrinth seal procedure gearbox lip seal upstream oil & gas hydroload seal application seal ring loading completion installation and operations oil leakage clearance device circumferential seal shaft...

... Typical Marine bulkhead seals today utilize a non-metallic seal ring of some kind to seal between the shaft and the seal housing mounted to the bulkhead. The sealing feature can occur continuously, or be actuated when needed. These arrangements can fail to work effectively in practice...

... The increased severity of bilge discharge regulations imposed 011 coastal shipping has required a new type of stern tube sealing device which has a longer life and excellent sealing performance. A face-type seal with a uniquely shaped sealing ring made of rubber was developed and has been...