THE TECHNOLOGY
Both traditional external lip seals and internal face type seals can be repaired afloat. For the external seals found on most commercial ships, BPM employ a man-entry inflatable habitat that fits around the stern shaft to ensure a dry environment is created for the seal replacement or repair. The system is both lightweight and robust and can fit a variety of vessel sizes and stern configurations from conventional shafts to pod propulsion systems.
The habitat can be transported worldwide and assembled within a few hours while your vessel is at dockside. For internal face seals found on naval vessels and some commercial vessels, we provide a bespoke external sealing system fitted against the stern tube, this allows dry repairs/ replacement of the internal face seals as would be carried out in dry dock.
Underwater stern seal replacement and repair services include:
- Lip seals, dry repair and replacement of complete systems including seal bonding
- Face seal wet repairs and replacement
- Stern tube sealing to faciliate inboard repacking of water lubricated stern seals
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