SeaLion 275N
Hansen Protection SeaLion 275N — Self-inflating offshore lifejacket.
Components & Design
Component data being added…
Technical Data
🤖 Ask about this model
One free question — answered like a marine engineer. No account needed.
Common failures & inspection points
Test auto-inflation capsule by releasing manual activation lanyard; check capsule expiry date (3 years from manufacture); verify CO2 cartridge pressure and seal integrity; confirm proper righting behavior in water
Visual inspection for tears, mildew, UV damage, discoloration of buoyancy chambers; check nylon and polyester cover integrity; inspect stitching, seams, and attachment points; test fabric strength with manual tension pull
Conduct immersion test in fresh water to verify buoyancy rating matches designation; check for slow air loss over 24-48 hours; inspect pressure relief valves (especially on dual-chamber designs); test manual inflation systems separately
Inspect all buckles, D-rings, metal hardware for rust or corrosion; test quick-release buckle function; verify crotch strap attachment points for stress cracks; check Velcro and zipper functionality on inflatable chambers; test lifting loops for secure attachment
Verify SOLAS-approved whistle (ISO 12402-8) is present and audible; confirm reflective tape meets 400cm² SOLAS 3M requirement; check buddy line is present and attached; verify emergency light mount (replace every 5 years if equipped); confirm lifting loop/beckets secure
Type-general inspection and maintenance points for this equipment category — not model-specific.
Suppliers & Spare Parts
Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.
📄 Request sourcing links & documentsCases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.
Start free trial →Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.
Maritime Network →