Product Introduction:

Qingdao Century Ductile Iron Pipe Industry's GB standard K9 water supply ductile iron pipes are a reliable choice for urban water supply and municipal water transmission projects. These products are produced in strict accordance with the national standard "GB/T 13295-2013 Ductile Iron Pipes, Fittings, and Accessories for Water and Gas Pipelines." The specifications range from DN80 to DN2600mm, with a stock of 10,000 tons to meet various project requirements. The product utilizes advanced centrifugal casting technology, combining the corrosion resistance of cast iron with the high strength and toughness of steel pipes, achieving tensile strength over 420MPa and elongation exceeding 10%. It can withstand significant external forces and heavy loads while also offering excellent impact resistance, performing exceptionally in high-pressure fluid transmission. The pipe body features a dual anti-corrosion design with external zinc spray and epoxy coating, with zinc layer ≥130g/㎡ and epoxy coating ≥300μm. The inner wall is lined with cement mortar, effectively resisting chemical and electrochemical corrosion, ensuring a service life of over 50 years. The joints are designed with T-type (DN100-DN1000) or STD-type (DN1100-DN2000) flexible socket designs, paired with water-activated rubber rings for excellent sealing. They allow for 3°-5° deflection angles, adapting to complex terrain and ground settlement, significantly reducing the risk of leakage. The product has passed dual certifications of ISO9001 Quality Management System and ISO14001 Environmental Management System. The company also has a professional installation technical team for full guidance. With its superior performance and comprehensive services, the product is widely used in municipal water supply, fire protection water supply, agricultural irrigation, and other fields, ensuring the stable operation of urban water supply systems.