Flue Gas IG System
medium
Flue gas type inert gas systems using boiler exhaust
Known Models (6)
Aalborg (Alfa Laval) Aalborg IG System
variable
· Inert Gas (N2-rich, <5% O2)
· flue_gas
type: flue_gas
Common Failures:
- • Scrubber packing deterioration
- • Blower motor failure
- • Valve corrosion
Service: Alfa Laval product line. Common on Danish-designed tonnage.
Spares: Aalborg (Alfa Laval): Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.
Hamworthy (Wartsila) Hamworthy IG System
variable
· Inert Gas (N2-rich, <5% O2)
· flue_gas
type: flue_gas
Common Failures:
- • Scrubber tower issues
- • Deck seal malfunction
- • Blower bearing wear
Service: Legacy Hamworthy — now under Wartsila brand. Same service network.
Spares: Hamworthy (Wartsila): Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.
Smit Gas Smit IG Flue Gas System
variable
· Inert Gas (N2-rich, <5% O2)
· flue_gas
type: flue_gas
Common Failures:
- • Scrubber corrosion
- • Blower failure
- • O2 analyzer calibration drift
Service: Dutch manufacturer. Service via Smit Gas worldwide.
Spares: Smit Gas: Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.
Wartsila (Moss) Moss IG 5000
5000 m3/h
· Inert Gas (N2-rich, <5% O2)
· flue_gas
type: flue_gas
capacity_m3h: 5000
o2_outlet_pct: <5
Common Failures:
- • Scrubber tower packing degradation
- • Deck seal water level failure
- • Blower bearing wear
- • O2 analyzer drift
Service: O2 content below 5% at outlet. Scrubber water pH monitoring. Annual blower overhaul.
Spares: Wartsila (Moss): Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.
Wartsila (Moss) Moss IG 10000
10000 m3/h
· Inert Gas (N2-rich, <5% O2)
· flue_gas
type: flue_gas
capacity_m3h: 10000
Common Failures:
- • Scrubber corrosion
- • Deck seal failure
- • Non-return valve stiction
- • Blower vibration
Service: Mid-range capacity for Suezmax/Aframax tankers
Spares: Wartsila (Moss): Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.
Wartsila (Moss) Moss IG 20000
20000 m3/h
· Inert Gas (N2-rich, <5% O2)
· flue_gas
type: flue_gas
capacity_m3h: 20000
Common Failures:
- • Scrubber packing failure
- • Blower bearing seizure
- • Deck water seal failure
- • IG main valve corrosion
Service: VLCC capacity. Dual blower setup. Annual scrubber inspection.
Spares: Wartsila (Moss): Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.