We always pay attention to the international fashion trend, so our manual butterfly valve, Sealed Manhole Covers, Cast Iron Cover and Frame Price are more competitive and representative. With the help of technological transformation, we extensively carry out comprehensive independent innovation under the cooperation with advanced technologies at home and abroad. We implement the centralized management of capital, personnel and operation resources to optimize the allocation of enterprise resources and effective synergy of operation services to achieve the overall effect and scale effect of enterprise operation. We emphasize the construction of our brand with quality and the improvement of our brand with service. We respect each of our business competitors and grow with each of our partners.
ISO2531 DI Pipe
Material | Ductile Cast Iron |
Type | T-Type(push-on joint) |
Standard | ISO2531 |
Size | DN80- DN2600 |
Classs | K7, K8, K9, C40, C30, C25, etc |
Length | 6m, 5.7m |
Internal Coating | 1. Portland cement mortar lining |
2. Sulphate Resistant cement mortar lining | |
3. High-Aluminum cement mortar lining | |
4. Epoxy Resin Lining | |
5. Epoxy Ceramic Lining | |
External Coating | Zinc+bitumen(70microns) painting |
Rubber Gasket | NBR rubber, SBR rubber or EPDM rubber ring as per ISO4633 |
Application | Potable Water / Drinking Water |
Packing | DN100-DN300 in bundles; DN350-DN2600 in bulk ship |
Note | The pipe coating can be customized, such as, zinc-aluminum alloy, PU, etc. |
ISO2531 DI Pipe details


We adhere to the business tenet of 'survive by honesty and progress by innovation' to adapt to the changing market, and conquer consumers with high-quality ISO2531/En545 K9 Ductile Cast Iron Pipes for Water Supply. We adhere to the business philosophy of 'people-oriented, honest and trustworthy, and diversified development', using modern corporate management systems and scientific and efficient management models, and we are one of the best companies in the industry. We are constantly improving our processing capacity to meet the high technical standards and requirements of our customers.
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