... prices Prime quality Best service Quice deliver time Ductile iron pipe, DN80-DN800,K7-K12, GB13295,ISO2531,EN545,EN598,ASTM C151SUNS PIPELINES COMPANY ... bitumen paiting or epoxy paiting(70um or more);6) Joint type: T joint7) Gasket: SBR, NBR, EPDM; ISO4633 / EN681-18) Testing: ... , BV inspection report or other third inspection party;9) Class: K7, K8, K9, K10, K12, class 30, class 40 Ductile iron pipe