LNG Fuel Gas Supply System
critical
3 models total
3 manufacturers · 3 models
MAN CRYO / MAN ES (Germany/Sweden)
1
LNG Fuel Gas Supply System
LNG fuel storage 50-3,000 m³
· LNG as Fuel
Voltage: 380-690V
Type
LNG Fuel Gas Supply System (FGSS)
Size Range
- MAN FGSS-50
- MAN FGSS-200
- MAN FGSS-1000
- MAN FGSS-3000
Drive Type
Electric
Construction
Type C LNG tank, HP vaporizer (for ME-GI), GVU, control system
Common Failures & Inspection Points
- HP vaporizer tube failure from cryogenic cycling (ME-GI systems: 300 bar)
- BOG management issues
- Gas detection system faults
- Bunkering connection issues
Service: HP vaporizer inspection annually (ME-GI systems). Gas detection quarterly. IGF Code compliance at annual survey.
Spare Parts: MAN CRYO (Gothenburg, Sweden) / MAN ES. Lead time: 3-8 weeks.
TGE Marine Gas Engineering / Chart Industries (Germany/USA)
1
LNG Fuel Tank + FGSS
LNG fuel storage 100-20,000 m³
· LNG as Fuel / Cargo
Type
LNG Tank + Fuel Gas Supply System
Size Range
- Type C 100m³
- Type C 500m³
- Type B Prismatic
- Membrane (GTT)
Drive Type
N/A (tank) + Electric (FGSS)
Construction
Type C pressure vessel or Type B/Membrane containment, insulation, FGSS
Common Failures & Inspection Points
- Tank insulation degradation causing excessive BOG
- Relief valve weeping from pressure cycling
- Tank support structure fatigue
- Secondary barrier integrity loss (membrane type)
Service: Tank insulation inspection at drydock. Relief valve test annually. Tank support inspection annually. Secondary barrier test (membrane) per GTT/Class requirements.
Spare Parts: TGE Marine/Chart Industries (Bonn, Germany). Lead time: 6-16 weeks for tank components.
Wärtsilä
1
LNGPac Fuel Gas Supply System
LNG fuel storage 50-5,000 m³
· LNG (Liquefied Natural Gas) as Fuel
Voltage: 380-690V
Type
LNG Fuel Gas Supply System (FGSS)
Size Range
- LNGPac 50
- LNGPac 200
- LNGPac 500
- LNGPac 2000
- LNGPac 5000
Drive Type
Electric
Construction
LNG tank (Type C/IMO), vaporizer, gas valve unit (GVU), control system, bunkering station
Common Failures & Inspection Points
- LNG tank pressure buildup from Boil-Off Gas (BOG) management failure
- Vaporizer tube leak from thermal cycling
- Gas valve unit (GVU) solenoid failure
- Bunkering connection leak
- Gas detection system false alarm
Service: Gas detection calibration quarterly. GVU function test before each gas operation. LNG tank relief valve test annually. Bunkering connection integrity test before each bunkering. IGF Code compliance check at annual survey.
Spare Parts: Wärtsilä Gas Solutions (Moss, Norway). Lead time: 3-8 weeks. GVU components: 2-4 weeks. Gas detection sensors: keep onboard.