Laby-GI compessors
Efficiency on board - backed up by expertise, experience and worldwide support
Proven solution for BOG management and fuel gas supply on LNG carriers and FSU / FSRU. Oil-free high-pressure gas supply to MAN B&W ME-GI engines and partial reliquefaction system.
Your benefits
- Completely oil-free gas compression
No need for cylinder lubrication, no risk of oil carry-over to cargo and equipment. - Gastight
No loss of cargo to atmosphere as all piston rod packing leakages are contained and recycled within the compressor system. - Zero venting
All gas will be routed back to the cargo tanks when stopping the compressor – no venting of gas to atmosphere during stop and emergency conditions. - Smooth operation
Simultaneous gas supply to main engine, dual fuel generators and reliquefaction system. - Proven technology
More than 2 million operating hours at sea. - Proven reliability
Documented product availability proving reliability above 98%. - Highest availability
Well established marine service network.
Features
- Multi-stage gas compression
Cryogenic design on 1st stage: Labyrinth sealing technology (design temperature -160°C)
Dry-running ring sealing systems for higher stages - Redura® sealing solutions
In-house developed and produced Persisto® materials for oil-free, dry-running gas compression up to 350 bar - Lowest vibrations
The fully balanced crankgear ensures perfectly balanced forces and moments protecting the ship's structure - Inviromently friendly
Mechanical shaft seal enables gastight crankgear
Tailored solutions
- 300 bar fuel gas supply and BOG handling systems for LNG carriers with ME-GI propulsion
- MSO compressor and BOG handling systems for Floting Storage and Regasification Unit (FSRU/FSU)
- Standardized skid mounted compressor packages
Technical data
Standard packages for LNG carriers with ME-GI (discharge pressure 300 bar)
5-stage gas compression | Rated power kW | *Typical mass flow kg / h | l x w x h m |
|---|---|---|---|
| 4LP250V | 1'500 | 3'100 | 11.5 x 7 x 5.5 |
| 5LP250V | 1'950 | 5'000 | 11.5 x 7 x 5.5 |
| 6LP250V | 2'300 | 5'700 | 11.5 x 7 x 5.5 |
*Suction capacity at gas inlet temperature +20°C
For FSRU / FSU (discharge pressure 30 – 110 bar).
Get in touch
Talk to our specialists.
Downloads
- Laby®-GI compressor brochure EN pdf 5.38MB
More Languages
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Technologies
In the piston and piston rod gland many tiny throttling points create a friction-less sealing effect. The avoidance of mechanical friction and the contactless cylinder results in an extremely long lifetime of sealing components with unmatched reliability and availability.
Resulting benefits
- No mechanical wear due to contactless seals
- For cryogenic gas suction temperatures without pre-heating of the gas nor pre-coaling of the compressor
- Suitable for oil-free compression
- Enables longest lifetime
- Lowest maintenance costs
Redura® sealing system
These patented ring sealing systems are successfully applied in a wide range of applications. The vertical alignment of the Laby®-GI compressor provides low wear of the sealing and guiding elements on the piston and the piston rod. Leading to highest durability of these wear parts. In-house tribology research and the use of latest material technology result in high pressure sealing elements designed for minimum wear and optimized gland performance - as proven in our test facility.
Resulting benefits
- Dry-running oil-free compression
- For pressures up to 350 bar
- Longest lifetime
- Low maintenance costs
50x less total forces and 5x less free moments
The fully balanced crankgear leads to a smooth running compressor. The compressor will not stimulate the connected offshore structure or interfere with the structural analysis of the naval architecture. Vice versa neither roll or pitch nor engine vibration, for example on a LNG carrier, will have the slightest influence on the compressor system and its auxiliaries
Resulting benefits
- no free forces and moments
- no influence on supporting offshore structure
Applications
Our services offering
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