Carnival chooses Jowa management system

15 Feb 2013
The system was tested onboard the 'Grand Princess'. Photo: Grand Bahama Shipyard/ Mark Dacunha Photography

The system was tested onboard the 'Grand Princess'. Photo: Grand Bahama Shipyard/ Mark Dacunha Photography

Cruise operator Carnival Corporation has signed an agreement with Swedish marine fuel system manufacturer Jowa Technology to install fuel switching equipment and provide training onboard Carnival's fleet.

Under the agreement, which follows a period of testing onboard the Princess Cruises’ ship Grand Princess, Jowa will install its Diesel Switch DS MKII automated fuel management system. The system is designed to offer a consistent, safe, controlled fuel change over from HFO to MDO and vice versa, and includes the capability to blend heavy and distillate fuels using in line fuel blending. 

Jowa says the system is the only unit in the market that carries class cociety type approval and has been acknowledged by the US Coast Guard as capable of improving the safety of fuel changeover operations.

The DD MKII allows control over the temperature gradient during fuel change over, minimising the risk of thermal shock, gassing and the potential risk of loss of power. It features electronic data storage.

Carnival says it hopes the system will save fuel by optimising fuel changeover time when transiting in or out of emission control areas and will reduce the potential for crew error.

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