Lug Type Butterfly Valve, Manhole Lid, manhole cover and frame are high-quality products controlled by strict procedures. After layer by layer screening and confirmation, they can be used in the consumer market. Therefore, please feel free to buy our products for those who need them. All staff of our company are determined to make their due contributions to the development of the industry through their own efforts. The company strictly controls product quality in production, and gradually formed a unified and complete production and sales system in terms of after-sales follow-up services.
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 always put the user's comfort in the first place and insist on the first-class product quality and advanced production technology to create the ideal ISO2531 DN 80mm to DN 2200mm Centrifugal Di Ductile Iron Water Pipe with high practicality and functionality. Our core values include, integrity creates value, rationality forges growth, innovation changes destiny, and passion makes dreams come true. 'Adhere to enterprise innovation, the pursuit of technological progress' is the consistent purpose of our company's development, the company has a strong technical development force.
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