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Retrofits

retrofits, Upgrading Performance

Our retrofit solutions upgrade outdated sealing systems to modern, reliable and environmentally compliant technologies, improving performance and reducing operational risk.

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long-term reliability, safety and environmental compliance

Our engineers have in-depth knowledge of all existing seal types, they know about all the latest developments, and they have direct access to AEGIR’s technical department. All seal systems are tested in the workshop before reassembly. And should you need additional spare parts, an on-site engineer is your direct link to our warehouse. If an AEGIR engineer is involved, you can expect a job well done!

Our retrofit options
  • Standard stern seal system
  • Standard Secure stern seal system
  • PrimAir Compact, the environmentally friendly alternative (and US Coast Guard compliant)

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  • Expert support, anytime
  • Global rapid response network
  • Emergency-ready service teams
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SEAL SERVICES

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Supporting Vessels Worldwide

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FAQ

Overhauls

Explained

What is a stern tube seal retrofit?
A stern tube seal retrofit involves upgrading or replacing an existing sealing system with a modern, more reliable solution. This improves sealing performance, reduces the risk of oil leakage and enhances overall propulsion system reliability.
Why should I consider a stern seal retrofit?
A stern seal retrofit is recommended when the current system shows recurring failures, excessive wear or no longer meets environmental regulations. Retrofitting helps improve compliance, reduce maintenance costs and increase operational efficiency.
Can a stern tube seal retrofit be carried out during dry dock?
Yes. Most stern tube seal retrofits are performed during scheduled dry dock periods, allowing for efficient installation, inspection of related propulsion components and class approval.
Does a retrofit improve environmental compliance?
Absolutely. A modern stern tube sealing system retrofit reduces the risk of oil discharge and supports compliance with international maritime environmental regulations and classification society requirements.
Do you provide brand-independent retrofit solutions?
Yes. AEGIR-Marine offers brand-independent stern seal retrofit services, enabling shipowners to select the most suitable and cost-effective sealing solution for their vessel.
Is class approval required for a stern seal retrofit?
Yes. All stern tube seal retrofit services must comply with classification society rules. AEGIR-Marine ensures full documentation and adherence to class standards.
Can you support retrofit projects worldwide?
AEGIR-Marine provides global stern seal retrofit and propulsion upgrade services, supported by our international service hubs and 24/7 mobilisation capability.
Why choose AEGIR-Marine for stern tube seal retrofits?
With decades of maritime experience, specialist engineering expertise and worldwide support, AEGIR-Marine delivers reliable, efficient and fully compliant stern tube seal retrofit solutions tailored to your operational needs.
Discover more AEGIR-Marine services

STERN SEAL

SERVICE

Overhauls
Retrofits
Sealbonding Repairs
Underwater Repairs

PROPULSION

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Thrusters
Propellers
Stabilizers
Propulsion controls

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Seal parts
Propulsion parts
Retrofit systems
Protection systems