CH5240 Location Triyards Vung Tau Shipyard Vessel Lewek Constellation Owner EMAS Offshore Year 2013 Class DNV GL Problem Corrosion of metallic pipe was the major reason for the use of GRE pipe for this installation. Saltwater corrosion is the silent enemy of every sea-going vessel. Solution A total of 3,381 meters (11,092 feet) of Bondstrand 2000M, 50-500 mm (2” - 20”), pipes were used for Anti-rolling & Anti-heeling lines (ARH), Airvent & Sounding lines (AV & SD), Fresh Water Transfer Lines (FWT) and Thruster Cooling lines (TC). GRE pipes were flanged to steel penetration and equipment flanges. Double O-ring expansion joints were used on Anti-rolling & Anti-heeling lines to compensate for deformation of the hull during operation of vessel. NOV Fiber Glass Systems also provided engine

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