Case story | SEM-SAFE® low-pressure CO2 system CMA CGM Benjamin Franklin Ultra large container protected with SEM-SAFE® low-pressure CO2 for fire fighting Danfoss Fire Safety A/S Copyright Port of LA Benjamin Franklin is the third vessel in a series of ultra large container ships for CMA CGM. It is the largest vessel ever to call port in the USA. CMA CGM decided to build three 16,000 TEU vessels in Shanghai Jiangnan Changxing Heavy Industry, making them the first ship owner to look to China for this size vessel. The vessels were later upgraded to 18,000 TEU. Due to the volume of the engine room and cargo holds, it was decided early on to go with a low-pressure CO2 fire fighting system, as the amount of cylinders in a high-pressure system would be 600, which would take up a large space and result in tedious maintenance for the crew. The SEM-SAFE® low-pressure CO2 system from Danfoss was chosen because of the technical know-how of the Marine Division and extensive reference list for low-pressure CO2 systems. The weight saving obtained by using the SEM-SAFE® low-pressure CO2 system means the vessel can carry 6 containers extra, giving a significant increase in the revenue over the life time of the vessel. Significant space saving with SEM-SAFE® for fire fighting www.semsafe.danfoss.com
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