1material:ductile cast iron ggg50, qt500-7/450-10, fgs500-7, 420-12 2standard:iso2531 bs en545 en598 bs4772 din2501, gbt13295 3application:water supply project, drainage, sewerage, irrigation , water pipeline 4certificates:iso2531:2009, en545:2010, en598 iso9001, iso14001, iso18001. 5inspection:sgs, bv, third party inspection 6payment:30% tt upon placing order.