In October 2011 Wärtsilä installed the latest technology in waterjet sealing onto all four waterjet shafts on the high speed catamaran, HSV 2 Swift. During a two week period all four waterjets were overhauled and commissioned with the latest design input shaft seals. –The seals have responded well in all levels of water clarity, at times exceeding the vessel’s recommended wave height limits. To date all four seals remain leak-free, says

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