Boil-Off Gas (BOG) Compressor
critical
IMO Required
Low-duty compressor for handling boil-off gas from LNG cargo tanks.
8000h
Service Interval
Typical Manufacturers
Atlas Copco
Burckhardt
Known Models (2)
Atlas Copco Atlas Copco GT Series BOG Compressor
2-stage, 300 kW
· LNG / LPG / Gas Cargo
Common Failures:
- • Non-return valve chattering
- • Piston rod packing leak
- • Intercooler tube fouling
Service: NRV inspection every 2000 hrs. Packing replacement every 8000 hrs.
Spares: Atlas Copco: Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.
Burckhardt Burckhardt Laby-GI BOG Compressor
2-stage labyrinth, 250 kW
· LNG / LPG / Gas Cargo
Common Failures:
- • Labyrinth ring wear
- • Condensate separator malfunction
- • Vibration due to foundation settlement
Service: Vibration analysis monthly. Foundation bolt torque check annually.
Spares: Burckhardt: Spezialteile per Hersteller. Lead time: 4-8 Wochen. Gasdetektions-Sensoren an Bord.