DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN550

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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: Are ductile iron pipes susceptible to external loading or pressure?: Yes, ductile iron pipes are susceptible to external loading or pressure. Like any other material, ductile iron pipes have a certain amount of strength and tolerance to withstand external forces. However, excessive external loading or pressure can cause deformation or failure of the pipes. It is important to ensure that ductile iron pipes are installed and supported properly to prevent any damage due to external loading. Additionally, the design and engineering of the pipeline system should take into consideration the anticipated external loading and pressure to ensure the pipes can effectively handle the expected conditions. Regular inspections and maintenance are also crucial to identify and address any issues related to external loading or pressure that may arise over time.

Q: Can ductile iron pipes be used for water main extensions?: Yes, ductile iron pipes can be used for water main extensions. Ductile iron pipes are known for their strength and durability, making them a suitable choice for water main extensions. They can handle high pressure and provide resistance to corrosion, which is important for ensuring the longevity and reliability of the water distribution system. Additionally, ductile iron pipes have a smooth interior surface, reducing friction and improving water flow efficiency. Overall, ductile iron pipes are commonly used in water infrastructure projects, including water main extensions, due to their favorable mechanical properties and ability to withstand the demands of water distribution systems.

Q: How does ductile iron pipe perform in corrosive soils?: Ductile iron pipe performs exceptionally well in corrosive soils due to its inherent corrosion resistance properties. The pipe is made from a unique composition of iron, carbon, and other elements that enhance its durability and resistance to corrosion. One of the key features of ductile iron pipe is its protective lining. The interior of the pipe is lined with either cement mortar or a special epoxy coating, which acts as a barrier between the corrosive soil and the pipe itself. This lining protects the iron from coming into direct contact with the soil, preventing corrosion. Additionally, ductile iron pipe has a higher resistance to external corrosion when compared to other materials like steel. It can withstand the chemical reactions caused by acidic or alkaline soils and remains unaffected by the corrosive elements present in the ground. This makes it an ideal choice for installation in areas with highly corrosive soils. Furthermore, ductile iron pipe has a long service life, further contributing to its performance in corrosive soils. The durable nature of the pipe and its resistance to corrosion ensure that it can withstand the challenges posed by corrosive soils for several decades without significant degradation. In conclusion, ductile iron pipe excels in corrosive soils due to its protective lining, resistance to external corrosion, and long service life. Its ability to withstand the harsh conditions presented by corrosive soils makes it a reliable and durable choice for various applications, including water distribution, sewage systems, and industrial pipelines.

Q: Are ductile iron pipes more resistant to breaks and cracks than other pipe materials?: Yes, ductile iron pipes are generally more resistant to breaks and cracks compared to other pipe materials. Their unique composition and manufacturing process make them highly durable and flexible, allowing them to withstand high pressure, heavy loads, and ground movement without breaking or cracking easily.

Q: What is the expected bending stress capacity of ductile iron pipes?: The expected bending stress capacity of ductile iron pipes varies depending on the specific grade and size of the pipe, as well as factors such as installation conditions and external loads. However, ductile iron pipes generally have high strength and flexibility, allowing them to withstand significant bending stresses. It is recommended to refer to the manufacturer's specifications and engineering guidelines for a more accurate estimation of the bending stress capacity of a particular ductile iron pipe.

Q: How are ductile iron pipes tested for hydrostatic pressure?: Ductile iron pipes are commonly used for water and wastewater applications due to their strength and durability. To ensure the quality and reliability of these pipes, they undergo hydrostatic pressure testing. Hydrostatic pressure testing involves subjecting the ductile iron pipes to internal pressure higher than their normal operating pressure. This is done to assess their ability to withstand the maximum pressure they are expected to encounter during their service life. The testing process typically begins with the selection of a sample set of pipes from a production batch or shipment. These samples are carefully prepared by removing any surface coatings or debris that could affect the accuracy of the test results. Next, the prepared samples are placed within a specially designed test rig or test line. The test rig is equipped with all the necessary connections, valves, and gauges to control and monitor the test conditions accurately. Once the samples are secured in the test rig, water or another suitable test fluid is slowly introduced into the pipes. The pressure is then gradually increased to a predetermined level, typically exceeding the expected operating pressure by a certain factor. This elevated pressure is maintained for a specified duration, usually for several hours, to assess the pipes' structural integrity and leak resistance. During the test, the pipes are closely monitored for any signs of leakage, deformation, or failure. Skilled technicians or engineers observe the pressure gauges and visually inspect the pipes for any visible defects or abnormalities. Additionally, automated systems may be employed to continuously record and analyze the pressure readings, ensuring accurate data collection. After the specified test duration, the pressure is gradually released, and the pipes are carefully inspected for any permanent deformation or residual stress. This inspection may involve visual examination, dimensional measurements, or even non-destructive testing techniques such as ultrasonic testing or magnetic particle inspection. The test results are then evaluated against the relevant industry standards or specifications to determine the pipes' compliance with safety and performance requirements. If the pipes pass the hydrostatic pressure test, they are deemed suitable for their intended application. However, if any issues or failures are identified, further investigation, analysis, or corrective actions may be necessary before the pipes can be approved for use. Overall, hydrostatic pressure testing plays a crucial role in ensuring the quality and reliability of ductile iron pipes. By subjecting these pipes to rigorous testing procedures, manufacturers can provide customers with pipes that meet the highest standards of safety and performance.

Q: What do ductile iron pipes need to connect with three? Can I contact it directly?: Because the interface material used in the old process is poisonous, especially in the water supply pipeline, environmental protection requires a new process now

Q: How much is the installation cost of the ductile iron tube?: Water supply pipe is the first choice, with high cost performance. Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external pressure bearing better tightness and corrosion resistance; from the point of view, ductile pipe sealing better after installation, but also can improve the corrosion resistance through various anti-corrosion methods;

Q: Which direction should the spigot of the K9 ductile iron pipe be installed?: Ductile iron pipes mainly called centrifugal ductile iron pipe, it has the properties of nature, iron and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc.. Water supply pipe is the first choice, with high cost performance.

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.

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