Hamworthy has received contracts to install its inert gas systems on 21 liquefied natural gas (LNG) carriers, under construction in South Korea, for Norwegian owners Golar, AWILCO and Höegh LNG, and Greek owners MaranGas and Thenamaris.

The company will install 12 inert gas systems on a series of 156,000m3 LNG carriers and 170,000m3 LNG floating storage and regasification units (FSRUs) being built at Samsung Heavy Industries (SHI).

Seven inert gas systems will be installed on 160,000m3 capacity LNG carriers at DSME and two will be installed on 170,000m3 LNG FSRUs at Hyundai Heavy Industries (HHI).

Each system offers capacity of 14.500Nm3/h-16.000Nm3/h and will be delivered to the respective shipyards in 2012 and 2013.

Hamworthy marine business unit director Morten Letnes said the upgraded system for the latest newbuildings is based on key experience gained from the Qatargas project.

“High-grade materials, in-house component manufacturing and unique two-stage fan solution ensures reliable running conditions,” Letnes said.

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“Upgrades on system regulation, component cooling and capacity tuning are based on years of experience amassed from operating the system under extreme conditions.

“Our global network is key in providing service and support to shipowners and yards across the world, and the combined team effort of our employees in Norway and Korea was instrumental in securing these latest inert gas system contracts.”

Previously, DSME won a contract from Awilco LNG to build four LNG carriers, each of which cost about $200m. The vessels were planned to be constructed at the Okpo shipyard.

Thenamaris had earlier placed an order for two 160,000m3 gas carriers with Samsung Heavy, with planned delivery in 2014.

Earlier this month, Hamworthy received a contract from HHI to supply its inert gas generator (IGG) package for the QUAD 204 floating, production, storage and offloading (FPSO) project.

The BP-operated FPSO will be replacing the existing Schiehallion FPSO, which is scheduled to be installed in 2015.

The new vessel will have a length of 270m and width of 52m, and will able to process and export up to 130,000 barrels a day of oil and store in excess of one million barrels.

Two sets of IGG units will be supplied by Hamworthy, comprising two deck water seals, two control systems, two inert gas cleaners and two pressure vacuum breakers.

The solution will protect the vessel from the harsh operating environmen. The IGG system, together with the control system, will be placed inside a dedicated inert gas room.