"> Wärtsilä Ballast Water
⚓ Working on this equipment?
Ask the AI troubleshooter, log your hours on board and turn them into invoice-ready service reports — for this exact model.
Start free — 14 days →
No credit card required
🔧 65 verified suppliers & service companies for Wärtsilä in the Maritime Network Find suppliers →
Wärtsilä

Ballast Water

The Wärtsilä Ballast Water entry is a generic designation for Wärtsilä ballast-water management equipment rather than a single uniquely identified model. Wärtsilä has supplied ballast-water treatment technologies designed to remove or inactivate organisms before ballast water is discharged. A complete plant is integrated with the vessel's ballast pumps, filters or treatment reactors, valves, sensors, automation and record-keeping functions. The treatment principle may differ by installed product family, so this generic name is insufficient to assume UV, electrochlorination or another specific process. Survey and maintenance requirements depend on the type-approval certificate and the exact equipment fitted on board. The vessel-specific model, treatment technology, rated flow and operating limitations must therefore be established from the nameplate and approved BWMS documentation; refer to the manufacturer documentation for the exact figure.

Components & Design

Component data being added…

Technical Data

Data collection ship details and operating profile
Type Ballast Water Treatment System
Treatment Filtration + UV (or chlorine)
Capacity Range 50 - 3000 m³/h
Approval IMO BWMS Code G8 + USCG
Energy Demand 0.3 - 1.2 kWh/m³

🤖 Ask about this model

One free question — answered like a marine engineer. No account needed.

Common failures & inspection points

Treatment-unit fouling or component wear causes reduced treatment capacity and process alarms
Filter, reactor or disinfectant-generation faults prevent completion of the approved ballast sequence
Treatment-critical sensor failures produce invalid readings or automatic shutdown
Valve, actuator or automation faults cause incorrect routing, bypass conditions or poor recording
Operation outside the approved water-quality envelope can prevent the system from achieving compliant treatment

Service & Maintenance

First identify the exact installed Wärtsilä BWMS model and type-approval documentation. Inspect treatment equipment, filters, pumps, valves and sensors according to that technology and verify alarms, bypass monitoring and automatic recording. Review ballast-water records and maintenance/calibration evidence for treatment-critical instruments. Do not apply UV, electrochlorination or chemical-system maintenance assumptions until the installed technology is confirmed.

Suppliers & Spare Parts

Direct links to manufacturer, datasheet, spare-parts portal and dealers — request access below.

📄 Request sourcing links & documents
🛠 Manage this equipment in your fleet

Cases, daily reports, timesheets and AI troubleshooting in the OceanSphere Marine app — free for 14 days.

Start free trial →
🔎 Suppliers & service for this equipment

Find manufacturers, repair shops and spare-part dealers in the Maritime Network — our global company directory.

Maritime Network →

Replacement Parts

Spare parts depend entirely on the exact Wärtsilä BWMS technology and may include filter elements, UV components, electrolysis-cell parts, dosing equipment, sensors, actuators, seals and control components. Build the onboard spare list from the vessel-specific equipment list and maker recommendation rather than from this generic designation.
Equipment Model #154091 · ✓ still in production