Stern Tube Seal
critical
IMO Required
12 / 12 Modelle (Inspector)
Sealing system preventing seawater ingress at stern tube
8000h
Service Interval
5 yr
Class Survey
10 yr
Typical Lifetime
Typical Manufacturers
Wartsila
Blohm+Voss
Kemel
Duramax
5 Hersteller · 12 Modelle
🏭
SKF
8 ✓ 8 verifiziert⚙️
SKF Simplex Compact C200
✓ verifiziert
· compact stern tube seal
seal_type: compact stern tube seal
shaft_diameter: 200 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
SKF Simplex Compact C300
✓ verifiziert
· compact stern tube seal
seal_type: compact stern tube seal
shaft_diameter: 300 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
SKF Simplex Compact C400
✓ verifiziert
· compact stern tube seal
seal_type: compact stern tube seal
shaft_diameter: 400 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
SKF Simplex Compact C500
✓ verifiziert
· compact stern tube seal
seal_type: compact stern tube seal
shaft_diameter: 500 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
SKF Simplex Compact C600
✓ verifiziert
· compact stern tube seal
seal_type: compact stern tube seal
shaft_diameter: 600 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
SKF Simplex Turbulo T300
✓ verifiziert
· turbulo oil-lubricated stern tube seal
seal_type: turbulo oil-lubricated stern tube seal
shaft_diameter: 300 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
SKF Simplex Turbulo T400
✓ verifiziert
· turbulo oil-lubricated stern tube seal
seal_type: turbulo oil-lubricated stern tube seal
shaft_diameter: 400 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
SKF Simplex Turbulo T500
✓ verifiziert
· turbulo oil-lubricated stern tube seal
seal_type: turbulo oil-lubricated stern tube seal
shaft_diameter: 500 mm
application: marine stern tube sealing
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
🏭
Blohm+Voss
1 ✓ 1 verifiziert⚙️
Simplex Compact
✓ verifiziert
Inspector
Per propulsion shaft design
· Seawater / Lube Oil barrier
Common Failures:
- • Chromium liner scoring
- • Seal ring wear
- • Oil leakage
- • Spring failure
Service: Lip seal type; replace seals at drydock; check chrome liner condition.
Spares: Blohm+Voss: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.
🏭
Duramax
1 ✓ 1 verifiziert⚙️
DM Seal 300
✓ verifiziert
Inspector
Per propulsion shaft design
· Seawater / Lube Oil barrier
Common Failures:
- • Seal lip degradation
- • Shaft liner groove wear
- • Aft seal seawater ingress
Service: Duramax lip seal; inspect aft seal at every drydock.
Spares: Duramax: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.
🏭
Kemel
1 ✓ 1 verifiziert⚙️
KS-3 Marine
✓ verifiziert
Inspector
Per propulsion shaft design
· Seawater / Lube Oil barrier
Common Failures:
- • Seal face wear
- • Stuffing box leak
- • Spring corrosion
Service: Face-type seal; monitor stern tube oil consumption for early leak detection.
Spares: Kemel: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.
🏭
Wärtsilä
1 ✓ 1 verifiziert⚙️
Airguard 200
✓ verifiziert
Inspector
Per propulsion shaft design
· Seawater / Lube Oil barrier
Common Failures:
- • Seal lip wear
- • Air pressure loss
- • Oil leakage to sea (environmental!)
- • Spring deterioration
Service: Air-type seal; maintain air pressure at 0.2 bar above draught pressure.
Spares: Wärtsilä: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.