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Wärtsilä
Airguard 200
The Wärtsilä Airguard 200 is an air‑type stern tube seal that creates a pressurised air cushion to keep bearing oil away from the sea, maintaining air pressure about 0.2 bar above external draught pressure.
Per propulsion shaft design
Capacity
Seawater / Lube Oil barrier
Medium
Components & Design
Component data being added…
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Common failures & inspection points
●Seal lip wear
●Air pressure loss
●Oil leakage to sea (environmental!)
●Spring deterioration
Service & Maintenance
Air-type seal; maintain air pressure at 0.2 bar above draught pressure.
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Maritime Network →Replacement Parts
Wärtsilä: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.
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Equipment Model #400
· ✓ still in production