K class ductile iron water supply pipe K9 Class Ductile Iron pipes, produced by centrifugal casting process,in accordance with ISO2531,EN545,GB/T 13295. Specification Application Water supply Success Story Luoma Lake Water Source and Second Surface Water Plant Project Tianjin Water Resources and Water Source Emergency Water Supply Project Renqiu Surface Water Plant Project Supporting Pipe Network Project Related Products Q3 2026 Sales: Growth in All Regions Valve catalogue Growth in all Regions and strong outperformance in the second quarter Norgard®