DI flange spigot/ double flange pipe

Material: ductile iron （DI）; standard: ISO2531,BS EN545, BS EN598, AWWA C219, AWWA C110, ASME B16.42; internal lining: ①cement mortar②Sulric Resistance Cement ③Sulric Resistance Cement and Epoxy ④H.A.cement; external coated: ①zinc and bitumen②zinc and 2 epoxy coatings ③Metallic Zinc and a coating of suitable etching prima and 2 Epoxy Coatings ④zinc and PU; suitable medium: potable water、drainage、sewage、waste water; suitable tempreture: -40°～ 125°; packing: plastic film plus pallet; origin: China.