Ductile Iron Sewage Pipe The Integral? pipe is a ductile iron pipe for sewage with T-type or STD-type joint produced by centrifugal casting process. It has passed ISO7186, EN598 and GB/T 26081 quality standard system certification. Specification Success Story Application of ductile iron sewage pipe in tourist resort Application of ductile iron sewage pipe in high-corrosive environment Saint-Gobain PAM APAC Room 1808, 18th Floor, Building No.5, Zi Yun Wisdom Plaza, No. 19 Kazimen Avenue. Qinhuai District, Nanjing, PRC 400-888-0198 Pengxi.wang@saint-gobain.com Contact us