DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN300

DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN300

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 pc

Supply Capability:: 3000 pc/month

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Material : Ductile Cast Iron
Size Range : DN 80mm to DN 2000mm
Unit Effective Length : 6m or 5.7m
Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007
Annual capacity : 200,000 tons
Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.
Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179
Special requirements on external coating and internal lining can be applied
We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
Photos of loading process will be sent to the customer after shipment effect.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q: Can ductile iron pipe be used for water treatment plant applications?: Yes, ductile iron pipe can be used for water treatment plant applications. Ductile iron pipe is known for its durability, strength, and corrosion resistance, making it suitable for transporting and distributing treated water within a water treatment plant.

Q: What is the acceptance of cast iron pipe material?: A cast pipe made of cast iron. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small.

Q: What's the difference between grey cast iron pipe and ductile iron pipe?: Spheroidal graphite cast iron and ordinary cast iron contain graphite monomer, that is to say, cast iron is a mixture of iron and graphite. The graphite in ordinary cast iron is flaky, and the strength of graphite is very low, so there are many flakes of voids in the cast iron, so the strength of ordinary cast iron is lower and more brittle. Graphite in graphite cast iron is spherical, equivalent to the existence of many spherical voids in cast iron. The effect of spherical voids on the strength of cast iron is much smaller than that of sheet voids, so the strength of nodular cast iron is much higher than that of ordinary cast iron.

Q: How are ductile iron pipes repaired in case of damage?: Ductile iron pipes are commonly used in various applications due to their high durability and strength. However, like any other materials, they can experience damage over time due to external factors or internal corrosion. In such cases, there are several methods available for repairing ductile iron pipes. One common method is known as the trenchless repair technique. This method involves repairing the damaged section of the pipe without the need for extensive excavation. It typically includes the use of specialized equipment to access the damaged area and carry out the necessary repairs. This technique is particularly beneficial as it reduces disruption to the surrounding area and minimizes costs associated with excavation. Another method for repairing ductile iron pipes is the use of epoxy lining. This technique involves applying a layer of epoxy resin to the interior surface of the pipe, effectively sealing any cracks or leaks. Epoxy lining is an effective and cost-efficient solution, as it provides a long-lasting repair and improves the overall condition of the pipe. In cases where the damage is severe or extensive, the damaged section of the ductile iron pipe may need to be replaced. This typically involves cutting out the damaged portion and installing a new section of pipe. The replacement process may require excavation and can be more time-consuming and costly compared to other repair methods. However, it ensures a complete and permanent solution for the damaged pipe. It is worth noting that the specific repair method chosen for ductile iron pipes depends on the extent of the damage, accessibility, and other factors. Professional assessment and inspection are crucial to determine the most suitable repair technique. Consulting with experienced pipeline repair specialists or civil engineers is highly recommended to ensure the most effective and durable repair solution for ductile iron pipes.

Q: Can ductile iron pipe be used in areas with high groundwater levels?: Yes, ductile iron pipe can be used in areas with high groundwater levels. Ductile iron is known for its durability and corrosion resistance, making it suitable for underground applications including areas with high groundwater levels.

Q: What are the disadvantages of using ductile iron pipes?: Using ductile iron pipes in various applications comes with several drawbacks. Firstly, these pipes tend to be more expensive compared to other types like PVC or HDPE, which can be problematic for projects with budget constraints. Secondly, their relatively heavy weight makes transportation and installation more labor-intensive and time-consuming. This increases overall project costs, especially when specialized equipment and skilled workers are required. Another disadvantage is their susceptibility to corrosion. Exposure to environmental factors, like soil conditions and water chemistry, can lead to rust and scale formation on the inner and outer surfaces of the pipe. This reduces the pipe's lifespan and potentially affects water quality. Furthermore, ductile iron pipes can crack or break under certain conditions, especially when subjected to heavy loads or significant ground movement. This necessitates costly repairs or replacements, causing additional expenses and disruptions to the water supply. Lastly, ductile iron pipes have relatively low resistance to impact and abrasion compared to other materials. This makes them more vulnerable to damage from external forces, such as construction activities or accidental impacts, resulting in increased maintenance and repair costs. In conclusion, while ductile iron pipes have advantages like high tensile strength and durability, it is crucial to consider these disadvantages before deciding to use them in a specific project.

Q: Can ductile iron pipe be used for oil and gas pipelines?: Yes, ductile iron pipe can be used for oil and gas pipelines. Its high strength, durability, and corrosion resistance make it suitable for transporting oil and gas over long distances. Additionally, its flexibility and ability to withstand high pressures and temperatures make it a reliable choice for such applications.

Q: How does ductile iron pipe compare to PVC pipe in terms of performance and cost?: Ductile iron pipe and PVC pipe are two commonly used materials for various piping applications, and they have distinct differences in terms of performance and cost. In terms of performance, ductile iron pipe is known for its exceptional strength and durability. It is highly resistant to internal and external pressures, making it suitable for carrying water, sewage, and other fluids under high pressure conditions. Ductile iron pipe also has an excellent resistance to corrosion and can withstand extreme temperature variations. Moreover, it has a longer lifespan, often lasting over 100 years, which makes it a reliable choice for long-term projects. On the other hand, PVC pipe is renowned for its versatility and ease of installation. It is lightweight, making it easier to transport and handle during installation. PVC pipe is also resistant to chemicals, making it suitable for applications where corrosion may be a concern. However, PVC pipe may not be as durable as ductile iron pipe, especially when subjected to external pressure or harsh environmental conditions. It may also be susceptible to cracking or breaking under extreme temperatures. In terms of cost, PVC pipe is generally less expensive than ductile iron pipe. PVC pipe is manufactured using less costly materials and is easier to produce, resulting in lower production costs. Additionally, the lightweight nature of PVC pipe reduces transportation costs and makes installation more efficient. Ductile iron pipe, on the other hand, tends to be more expensive due to the higher costs associated with its manufacturing process and the heavier weight, which requires additional handling and transportation expenses. Ultimately, the choice between ductile iron pipe and PVC pipe depends on the specific requirements of the project. If strength, durability, and longevity are crucial, ductile iron pipe may be the preferred option despite its higher cost. However, for applications that require versatility, ease of installation, and cost-effectiveness, PVC pipe can be a suitable alternative.

Q: Can ductile iron pipe be used for marine and offshore applications?: Yes, ductile iron pipe can be used for marine and offshore applications. Ductile iron is known for its high strength and durability, making it suitable for various environments, including those with exposure to saltwater and harsh conditions. It is commonly used in marine and offshore projects due to its resistance to corrosion, impact, and pressure. Additionally, ductile iron pipes have proven to be cost-effective and reliable for transporting fluids in these challenging environments.

Q: Can ductile iron pipes be used for rainwater harvesting systems?: Certainly, rainwater harvesting systems can utilize ductile iron pipes. Renowned for their robustness and resilience, ductile iron pipes prove to be fitting for a range of purposes, including rainwater harvesting. These pipes exhibit exceptional resistance to corrosion and are capable of withstanding considerable pressure, thereby ensuring the efficient conveyance of rainwater from the point of collection to storage tanks or distribution networks. Moreover, their impressively long lifespan diminishes the necessity for frequent replacements, rendering them a cost-effective option for rainwater harvesting systems.

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