Water Mist System
medium
High-pressure water mist fire suppression (HI-FOG and similar)
Known Models (5)
Danfoss (Semco) Semco S-type Water Mist
variable
· Fire Suppression / Detection
agent: water_mist
solas: True
Common Failures:
- • Pump pressure fluctuation
- • Nozzle orifice blockage
- • Section valve failure
Service: Danish manufacturer. Competitor to HI-FOG.
Spares: Danfoss (Semco): Löschmittel und Detektoren-Ersatz per Hersteller. Lead time: 2-4 Wochen.
Marioff (Carrier) HI-FOG Cargo
cargo hold protection
· Fire Suppression / Detection
agent: water_mist
pressure_bar: 140
solas: True
spaces: ['cargo']
Common Failures:
- • High-pressure pump failure
- • Nozzle blockage from water quality
- • Accumulator pre-charge loss
- • Control valve stiction
Service: Water quality critical — use demineralized water. Annual pump test. Nozzle inspection every 5 years.
Spares: Marioff (Carrier): Löschmittel und Detektoren-Ersatz per Hersteller. Lead time: 2-4 Wochen.
Marioff (Carrier) HI-FOG Engine Room
engine room
· Fire Suppression / Detection
agent: water_mist
pressure_bar: 140
solas: True
spaces: ['engine_room']
Common Failures:
- • HP pump seal failure
- • Nozzle blockage
- • Section valve malfunction
- • Water tank contamination
Service: Replaces CO2 in many modern vessels. Annual pump and nozzle test.
Spares: Marioff (Carrier): Löschmittel und Detektoren-Ersatz per Hersteller. Lead time: 2-4 Wochen.
Marioff (Carrier) HI-FOG Accommodation
accommodation
· Fire Suppression / Detection
agent: water_mist
pressure_bar: 140
solas: True
spaces: ['accommodation']
Common Failures:
- • Nozzle blockage from hard water
- • Pump motor failure
- • Section valve leak
Service: Common on cruise ships. Water quality monitoring essential.
Spares: Marioff (Carrier): Löschmittel und Detektoren-Ersatz per Hersteller. Lead time: 2-4 Wochen.
Marioff (Carrier) HI-FOG Turbo
turbocharger enclosure
· Fire Suppression / Detection
agent: water_mist
pressure_bar: 140
solas: True
spaces: ['turbocharger']
Common Failures:
- • HP nozzle clogging
- • Accumulator bladder failure
- • Detection sensor contamination
Service: Local application for TC casing protection. Annual test.
Spares: Marioff (Carrier): Löschmittel und Detektoren-Ersatz per Hersteller. Lead time: 2-4 Wochen.