Inert Gas Compressor (Tanker)
critical
IMO Required
3 models total
IG system compressor for tanker cargo tank inerting
4000h
Service Interval
20 yr
Typical Lifetime
Typical Manufacturers
Atlas Copco
Hamworthy
Tanabe
3 manufacturers · 3 models
Atlas Copco
1
ZR 250
250 m3/h
· 55.0 kW
· Inert Gas (N2/CO2)
Common Failures & Inspection Points
- Seal failure from corrosive gas
- Intercooler corrosion
- Bearing wear
Service: Oil-free type mandatory for IG service; corrosion-resistant materials.
Spare Parts: Atlas Copco: Ventilsätze und Kolbenringe an Bord vorhalten. Lead time: 2-6 Wochen. Ölfilter und Dichtungssätze als Standard-Bordvorrat.
Tanabe
1
VLH-54 IG
180 m3/h
· 37.0 kW
· Inert Gas (N2/CO2)
Common Failures & Inspection Points
- Valve corrosion
- Piston ring wear from acidic condensate
- Cooler tube pitting
Service: Reciprocating IG compressor; drain condensate after every use.
Spare Parts: Tanabe: Ventilsätze und Kolbenringe an Bord vorhalten. Lead time: 2-6 Wochen. Ölfilter und Dichtungssätze als Standard-Bordvorrat.
Wärtsilä
1
IG-55
200 m3/h
· 45.0 kW
· Inert Gas (N2/CO2)
Common Failures & Inspection Points
- Gas scrubber fouling
- Deck seal water level loss
- Compressor valve failure
Service: Part of IG plant; coordinate maintenance with scrubber and deck seal.
Spare Parts: Hamworthy: Ventilsätze und Kolbenringe an Bord vorhalten. Lead time: 2-6 Wochen. Ölfilter und Dichtungssätze als Standard-Bordvorrat.