Wärtsilä Advice Confirms Castrol Concerns on Single Oils
Castrol Marine said it has welcomed new guidance from Wärtsilä that undermines claims that mid-range base number (BN) oils represent a single cylinder oil solution for marine two-stroke engines. The advice confirms Castrol’s long-held concerns that using mid-range BN cylinder oils with higher sulphur fuels when slow steaming could lead to cold corrosion. The engine major has withdrawn approval for mid-range (50-60BN) cylinder oils when used with many marine engines running on Heavy Fuel Oil of above 2.5% sulphur content. New ‘letters of no objection’ to suppliers limit use of mid-range BN oils on all “Wärtsilä RTA, RT-fl ex and W-X engines as well as Sulzer two-stroke engines” to HFO whose sulphur content is “in the range 0.5<S<2.5 mass %”.
Castrol Marine Extends Cyltech 80 AW Availability
”We have responded to increasing demand from our customers for wider availability of our Cyltech 80 AW cylinder oil by expanding the supply network from five to 35 ports in key regions,” said David Goosey, Castrol Marine’s Chief Executive and Sales Director. Ports where customers will be able to book supplies will now take in major trading centers, including Antwerp, Rotterdam, Le Havre, Marseille, Hamburg, Bremen, Kiel, Singapore, Port Klang, Busan, Ulsan, Los Angeles, San Diego, San Francisco, Fujairah, Dubai, Jebel Ali and Khor Fakkan. Castrol’s recommendation that owners adopt Cyltech 80 AW was initially prompted to address the implementation of slow steaming practices by operators of large containerships fitted with large bore 2-stroke crosshead main engines.
