Underwater Seal Replacements

Ship Seal Replacement & Repair Services include:
  • Lip Seals - dry repair and replacement of complete systems, seal ring bonding
  • Face seals - wet repairs and replacement
  • Propeller blade palm seal replacement
  • Bow Thruster - shaft seal, blade palm seal, gear case seal replacement
  • Stabilizers - fin shaft seal, crux seal replacement
  • Stern tube sealing to facilitate inboard repacking of water lubricated stern seals

Face Type and Lip Type seals can be completely renewed and serviced with Original Equipment Manufacturer and Class approved procedures. Face Type seals can be completely rebuilt "wet" where Lip type seals can be renewed, including the bonding of new seal rings, completely underwater using TransHab, the transportable habitat of Subsea Global Solutions.

TransHab is a lightweight, inflatable habitat that is fitted around the stern seal between the stern tube and propeller, thereby providing a dry environment large enough for two technicians to carry out repairs. Using stock adapters TransHab is designed to fit any seal arrangement, including azipod drives, with liner sizes from 480mm - 1200mm.

Certified Seal Technicians

Professional Diver/Technicians trained and certified by the major seal manufacturers to carry out repairs previously possible only out of the water. Bonding new seal rings, removal or installation of spacer rings, and even complete replacements can be performed at anchor or during cargo handling operations without interference with the vessel's schedule.

Authorized Global Service Agent for: SKF Marine (Simplex Seals) Global Service Partner for Wartsila Seals- JMT (Japan Marine Technology), Deep Sea Seals, Cedervall Seals

Exclusive Service Agent - North America and Caribbean for: Lagersmit Supreme Seals

Class Approved

As part of the system development, Classification Society representatives witnessed test bonding of seal ring samples inside TransHab at a seawater depth of 12m. Destructive testing of the samples proved strength values similar to dry-dock bonding, resulting in Classification Society and seal manufacturer approval.

Fast Response

TransHab systems, including electrical powered diving support equipment, are packaged and stored in several compact crates, allowing it to be shipped anywhere required by air cargo with only a few hours notice.