... Ductile iron pipe, DN80-DN800,K7-K12, GB13295,ISO2531,EN545,EN598,ASTM C151SUNS PIPELINES COMPANY LIMITED can offer many kind of Ductile iron pipe:1) Diameter: DN80 ... 70um or more);6) Joint type: T joint7) Gasket: SBR, NBR, EPDM; ISO4633 / EN681-18) Testing: factory inspection report, SGS inspection, ... other third inspection party;9) Class: K7, K8, K9, K10, K12, class 30, class 40 Ductile iron pipe