Ductile Iron Pipe Class K7/K8/K9 ISO2531

Ductile Iron Pipe Class K7/K8/K9 ISO2531

Ref Price:: $520.00 - 610.00 / m

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 1000 m

Supply Capability:: 500000 m/month

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1. Ductile Iron Pipe Description :

It has high strength & hardnes as steel and better corrosin resistance than steerl and grey iron, I ductile iron pipe is the ideal substute for gray cast iron pipe and common steel pipe. In addition, our DI pipes are produced with good straightness, identical wall thickness, high dimension accuracy, smooth surface finished, remarkable mechanical properties and firmly sticking internal & external coating layer as well. Flexible Push-in joint and rubber gasket are used for more convenient installation of pipelines.

2. Ductile Iron Pipe Main Features:

- For potable water supply
- High strength
- Long lifespan
- Good corrosion resistance
- Easy installation

3.Ductile Iron Pipe Images:

Ductile Iron Pipe Class K7/K8/K9 ISO2531

4.Ductile Iron Pipe Specification:

1) The standard of pipe: ISO2531:1998, K9

2) Effective length: 6m

3) Inner cement line: Portland cement line as per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70um as per ISO8179

6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633

7) DN80mm-800mm

5.FAQ:

Here some questions always been asked

1.For Price CIF CFR FOB CPT and so on both ok for us

2.For Delivery we must try us best to send goods to you asap

3.For Package all standard seaworthy package

4.For Payment, T/T L/C which convenience for you will be ok

Q:Ductile iron pipes lined with cement mortar in the water (living water, water in the 6.9-7.3) in the early pH, why pH increased? How to solve this problem?: The basic characteristic of ductile iron pipe of ordinary cement mortar lining the inner wall of the tube will make passivation, have antiseptic effect, but in the initial stage of using cement mortar lining will be the alkali component separation, so that the pH value of water increased to influence water quality

Q:How can the steel plastic composite pipe be connected with the cast iron pipe?: The clamp hoop is a connecting device for connecting pipe fittings, valves and pipe fittings with grooves. Used in the fast joint between the role of tightening, the general two joints with gaskets, rubber, and silicone, ptfe.

Q:How do ductile iron pipes handle differential settlement?: Ductile iron pipes are known for their exceptional durability and ability to withstand various environmental conditions, including differential settlement. Differential settlement refers to the uneven settling of the ground, which can often lead to stress and strain on underground pipes. Ductile iron pipes are specifically designed to handle such settlement issues due to their inherent flexibility and strength. These pipes have the ability to flex and accommodate slight ground movements without causing significant damage or failure. The flexibility of ductile iron pipes allows them to distribute the stress and strain caused by differential settlement more uniformly along their length. This feature helps prevent concentrated stress points that could potentially lead to cracks or fractures in the pipe. Additionally, the inherent strength of ductile iron pipes provides them with the necessary resistance to withstand the forces generated by differential settlement. The pipes' robust construction and high tensile strength make them less susceptible to deformation or damage caused by ground movements. Furthermore, ductile iron pipes are commonly installed with flexible joints, such as rubber gaskets or push-on joints. These joints allow for some movement and accommodate any slight misalignment or settlement that may occur. By providing flexibility at the joints, the pipes can better adapt to changes in ground conditions and reduce the risk of failure. In summary, ductile iron pipes are well-equipped to handle differential settlement due to their flexibility, strength, and the use of flexible joints. These features ensure that the pipes can withstand ground movements and continue to function effectively without compromising their integrity or longevity.

Q:What are the different types of fittings available for ductile iron pipe?: There are several types of fittings available for ductile iron pipe, including elbow fittings, tee fittings, cross fittings, reducer fittings, flanged fittings, and mechanical joint fittings. These fittings are designed to connect and redirect the flow of the pipe, ensuring a secure and efficient system.

Q:Can ductile iron pipes be used in culvert or storm sewer applications?: Certainly, culvert or storm sewer applications can make effective use of ductile iron pipes. Renowned for their strength, durability, and flexibility, ductile iron pipes are an excellent choice for such purposes. They possess the capability to endure heavy loads, resist corrosion, and handle high flow rates, thus establishing them as a dependable option for culverts and storm sewers. Moreover, their extended lifespan and low maintenance needs further contribute to their appropriateness in these applications. Furthermore, ductile iron pipes can be easily installed and are available in various sizes and configurations to suit the specific requirements of culvert or storm sewer projects. In summary, ductile iron pipes have been extensively employed and proven to be an efficient and long-lasting solution for culvert or storm sewer applications.

Q:Are ductile iron pipes suitable for installation in areas with high groundwater contamination and soil erosion?: Ductile iron pipes are generally suitable for installation in areas with high groundwater contamination and soil erosion. This is because ductile iron pipes are known for their durability, strength, and resistance to corrosion. They have excellent resistance to acidic and alkaline soils, making them suitable for areas with high groundwater contamination. Furthermore, ductile iron pipes have a high resistance to soil erosion due to their robust construction. They are designed to withstand various external forces, including pressure from the surrounding soil and potential movement caused by erosion. This makes them a reliable choice for installation in areas prone to soil erosion. However, it is important to note that while ductile iron pipes can withstand high groundwater contamination and soil erosion, proper installation techniques and maintenance practices should be followed to ensure their longevity and optimal performance. Regular inspections, proper backfilling, and appropriate protective coatings should be employed to maximize the pipe's lifespan. In conclusion, ductile iron pipes are generally suitable for installation in areas with high groundwater contamination and soil erosion. Their durability, strength, resistance to corrosion, and high resistance to soil erosion make them a reliable choice for such environments. However, it is crucial to follow proper installation and maintenance practices to ensure their longevity and optimal performance.

Q:What is the typical weight of ductile iron pipes?: The typical weight of ductile iron pipes can vary depending on the size and specifications, but they generally range from a few hundred pounds to several thousand pounds per linear foot.

Q:How does ductile iron pipe perform in areas with high soil movement?: Ductile iron pipe is known for its strength, durability, and flexibility, making it an ideal choice for areas with high soil movement. Unlike other types of piping materials, such as PVC or concrete, ductile iron pipe has the ability to withstand significant ground shifting without experiencing catastrophic failure. The inherent strength of ductile iron pipe allows it to resist the external forces exerted by soil movement, such as settlement, lateral movement, or ground heave. Its high tensile strength and ability to withstand bending stresses make it less susceptible to cracks, fractures, or leaks, ensuring the integrity of the pipeline system. Furthermore, ductile iron pipe has excellent deflection capabilities, meaning it can flex and accommodate ground movement without breaking. This flexural capacity enables the pipe to distribute the stress caused by soil movement along its length, reducing the concentration of forces at any specific point. In areas with high soil movement, ductile iron pipe also benefits from its corrosion resistance properties. The pipe is typically coated with a protective layer, such as cement-mortar lining or polyethylene encasement, which acts as a barrier against corrosive elements present in the soil. This protective coating helps to prevent damage and deterioration, ensuring the longevity and performance of the pipe even in challenging soil conditions. Overall, ductile iron pipe is highly recommended for areas with high soil movement due to its superior strength, flexibility, and corrosion resistance. Its ability to withstand ground shifting and distribute stress makes it a reliable choice for long-term performance and minimal maintenance requirements.

Q:Can ductile iron pipes be used in marine environments?: Ductile iron pipes are suitable for marine environments due to their excellent mechanical properties, high corrosion resistance, and durability. These pipes are made of a type of cast iron known as ductile iron, which can withstand the harsh conditions of marine environments. Marine environments are known for their high levels of corrosion caused by saltwater, humidity, and other harsh factors. However, ductile iron pipes are specifically designed to endure these conditions. They have a protective layer called the "graphite skin" that acts as a barrier against corrosion. This graphite skin prevents rust formation and safeguards the pipes from degradation. Additionally, ductile iron pipes can be further protected with coatings or linings to enhance their corrosion resistance in marine environments. These protective coatings, such as epoxy, polyurethane, or zinc coatings, provide an extra layer of defense against corrosion. This ensures the pipes' longevity and reliability in marine environments. To maintain optimal performance, regular maintenance and inspection are crucial for ductile iron pipes in marine environments. This includes regular cleaning to remove marine growth or debris that may accumulate on the pipes and conducting routine inspections to identify any signs of corrosion or damage. In conclusion, ductile iron pipes are a suitable choice for marine environments. Their inherent corrosion resistance, durability, and the ability to apply additional protective coatings make them ideal for various marine applications.

Q:Are ductile iron pipes suitable for use in irrigation gate systems?: Yes, ductile iron pipes are suitable for use in irrigation gate systems. Ductile iron is a type of cast iron that has enhanced strength and flexibility, making it a durable and reliable choice for applications such as irrigation gate systems. Ductile iron pipes are known for their high tensile strength and resistance to corrosion, which is important for maintaining the integrity of the irrigation system. Additionally, ductile iron pipes have the ability to withstand high pressure and provide a long service life, making them a cost-effective solution for irrigation gate systems. Overall, ductile iron pipes are well-suited for use in irrigation gate systems due to their strength, durability, and resistance to corrosion.

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