We strive to be objective in our methods and honest in our actions to provide every customer with the same quality Ductile Iron Butterfly Valve, round manhole cover, Ductile Fittings and services. Our company strive to create a well-known brand in the industry and achieve a double harvest of social and economic benefits. We are gradually building into a modernized and standardized management enterprise to achieve the common development of employees and enterprises. Our company adheres to the business philosophy of honesty, mutual benefit and win-win, and has won the unanimous recognition of our customers.
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 continue to introduce new Centrifugal ISO2531 450mm Class K9 Cement Lined Ductile Cast Iron Pipe to meet potential demand through cooperation with colleges and research units. We always take rewarding society as a blessing and take the prosperity and revitalization of the motherland as our own responsibility. All staff of our company focus on the future, unify their thinking, keep forging ahead, improve themselves, and strive to achieve our goals.
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