DUCTILE IRON PIPE DN250 K7 CLASS
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 30000Tons m/month
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CNBM ductile iron pipe ranges from DN80-DN1600mm (T-Type, Class K9), effective length 6m, comply with ISO2531 Standard
Company Profile
CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.
CNBM Pipelines regard quality as the essential factor leading to successful business. Every pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide
Product Introduction
CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with BS EN545/EN598/ISO2531/BS4772.
Specification& Payment terms
Internal lining: Pipes shall have an internal cement mortar lining in acc with ISO4179.
External coating: Pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.
Gasket: 100% SBR/NBR/EPDM gasket in accordance with ISO4633.
Packing: Pipes from DN100 to DN300 be bundled with steel belts, the others are in bulk.
Payment term: By 30% T/T advance payment + 70% Irrevocable L/C at sight.
Packing: In bulk vessel or in container.
- Q: How does ductile iron pipe handle soil movements and settlements?
- Ductile iron pipe has excellent resistance to soil movements and settlements due to its high tensile strength and flexibility. The pipe's ability to withstand soil loads and settle without compromising its structural integrity makes it a reliable choice for underground applications. Additionally, the pipe's joint design allows for some degree of movement, further reducing the risk of damage or failure.
- Q: Can ductile iron pipes be made into clear tubes?
- Of course, the cast iron pipe is suitable for being buried in the ground because of its corrosion resistance, rust resistance and non deformation.
- Q: Which is better, ductile iron pipe and spray plastic pipe?
- Spray pipe is: plastic composite pipe, steel pipe is a new composite material as matrix, through a special process in high temperature curing by walls melt spraying or adsorption of food grade epoxy powder coating or PE as raw material. It has excellent corrosion resistance and relatively small frictional resistance.
- Q: DN300 what's the price of the ductile iron pipe / the weight and the price of one meter?
- The annealed ductile iron pipe is composed of ferrite and pearlite. The mechanical properties of the ductile iron pipe are better.
- Q: What is the expected corrosion protection system for ductile iron pipes?
- The expected corrosion protection system for ductile iron pipes typically involves a combination of external coatings, internal linings, and cathodic protection. External coatings are applied to the exterior surface of the pipe to provide a barrier against corrosion. These coatings are typically made of fusion-bonded epoxy, polyethylene, or polyurethane. They protect the pipe from the surrounding environment, including soil, water, and chemicals, and help to extend the lifespan of the pipe. Internal linings are applied to the interior surface of the pipe to protect against corrosion from the transported fluid. These linings can be made of cement mortar, epoxy, or polyurethane. They provide a smooth and protective layer, preventing the formation of rust and scale on the pipe's inner surface. Cathodic protection is an electrochemical technique used to protect ductile iron pipes from corrosion. It involves the use of sacrificial anodes or impressed current systems to create a protective electrical current that counteracts the corrosion process. This method helps to prevent the formation of rust and extends the life of the pipe. It is important to note that the specific corrosion protection system for ductile iron pipes may vary depending on the application and environmental factors. Consulting with corrosion experts and adhering to industry standards and guidelines is crucial in determining the appropriate corrosion protection system for a particular ductile iron pipe installation.
- Q: Can ductile iron pipes be used for underground water treatment systems?
- Indeed, underground water treatment systems can utilize ductile iron pipes. Renowned for their robustness and longevity, these pipes are well-suited for a range of uses, including underground water treatment systems. They possess exceptional resistance to corrosion, rendering them perfect for transporting water through even the harshest subterranean surroundings. Furthermore, ductile iron pipes boast a remarkable load-bearing capacity, enabling them to withstand the immense pressure and weight exerted by the soil above. Additionally, their versatility allows for simple installation and maintenance, making them a sensible option for underground water treatment systems.
- Q: What is the maximum allowable deflection for ductile iron pipes?
- The maximum allowable deflection for ductile iron pipes is typically limited to 2% of the pipe's diameter.
- Q: How are ductile iron pipes protected against erosion caused by high-velocity flow?
- Various methods and techniques are used to protect ductile iron pipes from erosion caused by high-velocity flow. One effective method involves applying protective coatings on the inner surface of the pipes. These coatings act as a barrier between the flowing water and the pipe material, minimizing the abrasive effects of the fast flow. Depending on the specific requirements of the application, coatings such as epoxy, polyurethane, or cement-mortar lining may be used. In addition, manufacturers often design the pipes with increased wall thickness in areas prone to erosion, such as bends or sections with high flow velocity. This additional thickness provides extra strength and resistance against erosion. Another technique used to safeguard ductile iron pipes from erosion is the implementation of flow control devices, such as flow deflectors or fittings that reduce velocity. These devices help redirect the flow and decrease its speed, thus minimizing the impact on the pipe walls. Regular maintenance and inspections are also vital to prevent erosion. By monitoring the condition of the pipes and identifying any early signs of erosion, appropriate measures can be taken to address the issue before it worsens. This may involve repairing or replacing damaged sections of the pipes and implementing erosion control measures like sediment filters or flow restrictors. Overall, a combination of protective coatings, design considerations, flow control devices, and proactive maintenance strategies are employed to ensure adequate protection of ductile iron pipes against erosion caused by high-velocity flow.
- Q: How long do ductile iron pipes last?
- Ductile iron pipes possess an impressive durability and extended lifespan. Typically, these pipes can endure from 80 to 100 years, with certain instances even reaching an impressive 150 years. The exceptional longevity of ductile iron pipes can be attributed to their sturdy construction, enabling them to withstand high-pressure surroundings, combat corrosion, and endure severe weather conditions. Furthermore, ductile iron pipes have established a commendable reputation for their reliability and performance, rendering them a favored option for water and wastewater infrastructure projects worldwide. By conducting regular inspections and implementing maintenance measures, the lifespan of ductile iron pipes can be further prolonged, assuring their continued service for numerous decades to come.
- Q: Are ductile iron pipes suitable for potable water systems?
- Yes, ductile iron pipes are suitable for potable water systems. Ductile iron is a strong and durable material that is resistant to corrosion, making it a reliable choice for transporting drinking water. Additionally, ductile iron pipes have been widely used in potable water systems for many years, proving their suitability and effectiveness.
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DUCTILE IRON PIPE DN250 K7 CLASS
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- 30000Tons m/month
OKorder Service Pledge
OKorder Financial Service
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