Material: ductile iron (DI); standard: ISO2531,BS EN545, BS EN598, AWWA C219, AWWA C110, ASME B16.42; internal lining: ①cement mortar②Sulphuric Resistance Cement ③Sulphuric 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: -40deg- 125deg; packing: plastic film plus pallet; origin: China.
