DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN250

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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:The difference between HDPE pipe and ductile iron pipe: Different appearance, ductile iron pipe single length of 6 meters, large wall thickness; mechanism cast iron pipe single length of 3 meters, the wall thickness is thin.

Q:What is the relationship between the mechanical properties of spheroidal graphite cast iron and its spheroidization rate?: Grade high good, mechanical performance can reach or exceed the standard, the grade is not high, the performance can not be achieved

Q:How long does the cast iron pipe of indoor direct buried sewage need to be examined?: Indoor drainage of the majority of households are using cast iron pipe, if the distance from the sewage well is relatively close, and the above does not take the car, you can consider the U-PVC.

Q:Are ductile iron pipes suitable for gravity flow applications?: Ductile iron pipes are indeed suitable for gravity flow applications. This material, known for its strength and durability, can easily bear the weight of water and solid waste flowing through the pipes without encountering any problems. It possesses exceptional tensile strength and can withstand external forces like soil movement or heavy traffic loads without sustaining damage. Moreover, the inner surfaces of these pipes are smooth, ensuring efficient flow and minimal friction losses. Additionally, ductile iron pipes are resistant to corrosion and can last for several decades without necessitating frequent maintenance or replacement. In conclusion, ductile iron pipes are a dependable option for gravity flow applications due to their robustness, longevity, and ability to resist various environmental factors.

Q:How does ductile iron pipe perform in areas with high groundwater contamination?: Ductile iron pipe is renowned for its durability and resistance to corrosion, rendering it an appropriate option for regions with significant groundwater pollution. By means of its protective lining and coating, the pipe effectively obstructs direct contact between the iron and groundwater, thereby minimizing the likelihood of corrosion and decay. Furthermore, ductile iron pipe possesses the capacity to withstand external pressures, making it less susceptible to harm resulting from shifting soils or groundwater flow. This characteristic proves particularly advantageous in areas with high groundwater contamination as it guarantees the pipe's structural integrity remains intact, preventing leaks or bursts. Moreover, ductile iron pipe boasts a lengthy service life, which in turn diminishes the necessity for frequent replacements and reduces the potential for groundwater pollution caused by pipe failures. On the whole, ductile iron pipe performs exceptionally well in regions plagued by high groundwater contamination, providing a dependable and robust solution for transporting water or wastewater while simultaneously safeguarding the surrounding environment.

Q:Are ductile iron pipes suitable for trenchless pipe bursting methods?: Yes, ductile iron pipes are suitable for trenchless pipe bursting methods. Ductile iron is a strong and durable material that can withstand the forces involved in the pipe bursting process. It has high tensile strength, making it resistant to cracking or breaking during the bursting process. Additionally, ductile iron pipes have a smooth inner surface, which allows for efficient flow of water or other fluids. This smooth surface also reduces the likelihood of blockages or buildup in the pipe. Overall, ductile iron pipes are a reliable choice for trenchless pipe bursting methods.

Q:Is the spigot and socket connection of the ductile iron tube reversed?: The whole process is formed by the radial compression of the pipe blank and the stretching process of the branch pipe. Different from the hydraulic bulging three, the metal of the three way joint pipe is compensated by the radial movement of the tube blank, so it is also called radial compensation process.

Q:Are ductile iron pipes suitable for use in desalination plants?: Desalination plants necessitate a dependable and long-lasting piping system to convey treated water to various destinations. Ductile iron pipes, famed for their strength, flexibility, and corrosion resistance, are truly an ideal choice for such plants. These pipes, crafted from a variant of cast iron fortified with magnesium, possess a heightened tensile strength that allows them to endure the pressures linked to the desalination process. Additionally, desalination plants often employ chemicals and other treatment methods to eliminate impurities from the water. Ductile iron pipes exhibit remarkable resistance to corrosion caused by these chemicals and can endure the harsh conditions present in desalination plants without deteriorating over time. This ensures the longevity and dependability of the piping system, consequently minimizing the chances of leaks or failures. Moreover, ductile iron pipes feature a sleek inner surface, which aids in diminishing friction and pressure loss during water flow. This aspect carries significant importance in desalination plants, where efficiency is paramount for the overall functioning of the facility. The smoothness of ductile iron pipes facilitates efficient water flow, thereby reducing energy consumption and optimizing the desalination process. In conclusion, ductile iron pipes are an appropriate choice for utilization in desalination plants due to their strength, flexibility, corrosion resistance, and smooth inner surface. These pipes provide a reliable and durable piping system capable of withstanding the elevated pressures, harsh chemicals, and demanding conditions prevalent in desalination plants.

Q:How does ductile iron pipe perform in high-pressure gas applications?: Due to its unique characteristics and properties, ductile iron pipe is an outstanding option for high-pressure gas applications. Firstly, its high tensile strength enables it to withstand the immense pressure exerted by gas flowing through the pipeline, ensuring leakage or rupture-free containment. Additionally, ductile iron pipe exhibits remarkable resistance to corrosion, making it ideal for gas applications that may encounter moisture, chemicals, or other corrosive substances. This corrosion resistance guarantees the pipe's longevity and minimizes the risk of damage or failure caused by corrosion. Another advantage of ductile iron pipe in high-pressure gas applications is its capability to handle thermal expansion and contraction. As gas is transported under high pressures, temperature fluctuations occur, resulting in pipeline expansion and contraction. However, ductile iron pipe's flexibility allows it to adapt to these changes without compromising its performance or structural integrity. Furthermore, ductile iron pipe's smooth interior surface reduces friction losses and pressure drops, resulting in efficient gas flow. This smoothness also reduces the likelihood of gas impurities or debris becoming trapped, potentially leading to blockages or flow disruptions. In conclusion, when it comes to high-pressure gas applications, ductile iron pipe is a dependable and durable choice. Its high tensile strength, corrosion resistance, ability to handle thermal expansion, and smooth interior surface all contribute to its exceptional performance in demanding conditions.

Q:Are there any special considerations for installing ductile iron pipe in rocky soils?: Yes, there are several special considerations for installing ductile iron pipe in rocky soils. Firstly, the rocky soil can pose challenges during the excavation process. The presence of rocks can increase the difficulty and time required for trenching. Special excavation equipment may be needed to break through the rocks and create a suitable trench for the pipe installation. Secondly, the rocky soil can cause abrasion and damage to the outer surface of the ductile iron pipe during installation. This can potentially compromise the integrity of the pipe and lead to leaks or breakages in the future. To mitigate this risk, it is recommended to use protective measures such as rock shields or padding around the pipe to minimize direct contact with the rocks. Additionally, the presence of rocks can affect the backfilling process. Proper backfilling is crucial to provide support and stability to the installed pipe. However, rocks can hinder the proper compaction of the backfill material, which may result in uneven support and potential movement of the pipe. It is important to carefully select and place the backfill material, ensuring it is free from larger rocks and adequately compacted to provide sufficient support. Furthermore, the rocky soil may also impact the installation of fittings and joints. The hard rocks can make it challenging to properly align and connect the pipe with fittings or make secure joints. Special care must be taken during the installation process to ensure proper alignment and secure connections, which will prevent leaks and ensure the longevity of the ductile iron pipe system. In conclusion, installing ductile iron pipe in rocky soils requires special considerations to overcome challenges related to excavation, abrasion, backfilling, and fitting installation. By taking these factors into account and implementing appropriate measures, the installation process can be successfully carried out, and the pipe system can function effectively in rocky soil conditions.

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