DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN400

DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN400

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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:How are ductile iron pipes protected against internal corrosion?: To safeguard ductile iron pipes from internal corrosion, a range of preventive measures are implemented. The foremost technique involves the application of a protective coating on the pipe's inner surface. This coating acts as a barrier that separates the pipe from the conveyed fluid, thereby minimizing the risk of direct contact and corrosion. Another commonly employed method is the usage of a cement mortar lining, which fortifies the protective barrier, thereby reducing the possibility of corrosion, even in aggressive environments. Moreover, this lining ensures a smoother surface, enhancing fluid flow by diminishing friction. Apart from coatings and linings, ductile iron pipes are often designed with corrosion-resistant alloys or additives. These alloys, such as zinc or epoxy, are incorporated during the manufacturing process, offering an additional layer of defense against internal corrosion. They function as sacrificial anodes, corroding over time to shield the underlying iron from degradation. Regular maintenance and inspection play a vital role in safeguarding ductile iron pipes against internal corrosion. Monitoring the condition of protective coatings, identifying any signs of degradation or damage, and promptly addressing such issues are imperative to ensure the long-term integrity of the pipes. In summary, a combination of protective coatings, cement mortar linings, corrosion-resistant alloys, and regular maintenance efforts collaboratively safeguard ductile iron pipes against internal corrosion. This approach prolongs their lifespan and guarantees the secure transportation of fluids.

Q:What are the advantages and disadvantages of spheroidal graphite cast iron?: As a substitute for steel, man developed ductile iron in 1949. The carbon content of cast steel is less than 0.3%, while that of cast iron and ductile iron is at least 3%. The low carbon content in cast steels makes the carbon free of graphite free of structural flakes. The natural form of carbon in cast iron is the form of free graphite flakes. In ductile iron, the graphite flakes change into tiny spheres by special treatment. The improved sphere makes ductile iron more superior in physical properties than cast iron or steel. It is the globular microstructure of this kind of carbon that makes ductile iron more ductile and impact resistant, while the thin form of cast iron causes the cast iron to be free of ductility. The best ductility can be obtained by ferrite matrix.

Q:Are ductile iron pipes suitable for use in food processing plants?: Yes, ductile iron pipes are suitable for use in food processing plants. Ductile iron pipes have a number of characteristics that make them highly suitable for this application. Firstly, ductile iron pipes are strong and durable, capable of withstanding high-pressure applications. This is important in food processing plants where the pipes are subjected to various pressures during the transportation of liquids and slurries. Additionally, ductile iron pipes have excellent corrosion resistance. This is crucial in food processing plants where the pipes come into contact with different types of food, beverages, and cleaning agents, which can be corrosive over time. The corrosion resistance of ductile iron pipes ensures the integrity of the pipes and prevents contamination of the food products. Furthermore, ductile iron pipes are highly resistant to temperature fluctuations, making them suitable for the extreme temperature conditions often found in food processing plants. They can withstand both hot and cold fluids without any adverse effects on their structural integrity. Moreover, ductile iron pipes have a smooth inner surface, which helps to maintain the quality and purity of food products. The smooth interior minimizes the formation of deposits, such as scaling or biofilm, and reduces the risk of bacterial growth. This is essential in food processing plants where maintaining a hygienic environment is of utmost importance. Lastly, ductile iron pipes are easy to install and maintain. They have a long service life and require minimal maintenance, reducing downtime and associated costs in food processing plants. Considering these factors, ductile iron pipes are a reliable and suitable choice for use in food processing plants, ensuring the safe and efficient transportation of fluids while meeting the stringent hygiene and quality requirements of the industry.

Q:How do ductile iron pipes handle thermal cycling in industrial applications?: Ductile iron pipes are known for their exceptional ability to handle thermal cycling in industrial applications. Thermal cycling refers to the fluctuation in temperature that occurs during the operation of various industrial processes. These pipes are designed to withstand the stresses caused by thermal expansion and contraction, making them highly suitable for environments with significant temperature variations. One of the key characteristics of ductile iron pipes is their high thermal conductivity. This means that they can efficiently conduct heat away from the hot areas, minimizing the impact of thermal cycling. Additionally, ductile iron pipes have a low coefficient of thermal expansion, which means that they expand and contract at a slower rate compared to other materials. This helps to reduce the stresses imposed on the pipes during thermal cycling. Furthermore, ductile iron pipes have excellent mechanical properties, including high tensile strength and impact resistance. These properties enable the pipes to withstand the mechanical stresses that may arise due to thermal cycling. They can resist the formation of cracks or fractures, ensuring the integrity and longevity of the pipes in industrial applications. Moreover, ductile iron pipes have a high resistance to corrosion and oxidation. This is particularly important in industrial settings where the pipes may be exposed to aggressive chemicals or harsh environments. The corrosion resistance of ductile iron pipes ensures that they can withstand the corrosive effects of the process fluids and gases, even during thermal cycling. In summary, ductile iron pipes are well-equipped to handle thermal cycling in industrial applications. Their high thermal conductivity, low coefficient of thermal expansion, excellent mechanical properties, and resistance to corrosion make them a reliable choice for environments with significant temperature variations. These pipes can effectively withstand the stresses caused by thermal cycling, ensuring their durability and longevity in industrial settings.

Q:How can the three pipes of ductile iron leak?: When the pipe connection of the three water leakage, first of all to see whether it is to do the pipe three links of the manufacturers, pressure did not reach, if it is. It is only the replacement, if not, with cast iron electrode welding, or socket connection half!

Q:What is the expected burst pressure of ductile iron pipes?: The expected burst pressure of ductile iron pipes can vary depending on several factors such as the pipe's diameter, wall thickness, and the specific grade of ductile iron used. However, ductile iron pipes are typically designed and manufactured to withstand high pressure loads. On average, ductile iron pipes have an expected burst pressure ranging from 350 psi (pounds per square inch) to 700 psi. However, it is important to note that this is a general range, and the actual burst pressure can be higher or lower depending on the specific design and manufacturing standards followed. To determine the exact expected burst pressure for a particular ductile iron pipe, it is recommended to consult the manufacturer's specifications or relevant industry standards such as the American Water Works Association (AWWA) C150 or ISO 2531, which provide guidelines for ductile iron pipes and their performance under various conditions. Additionally, local building codes and regulations may also provide specific requirements for ductile iron pipe installations.

Q:Can ductile iron pipes be used for industrial applications?: Yes, ductile iron pipes can be used for industrial applications. Ductile iron pipes offer excellent strength and durability, making them suitable for various industrial sectors such as water and wastewater treatment plants, chemical processing facilities, and power plants. They can withstand high-pressure conditions, resist corrosion, and have superior impact resistance, making them an ideal choice for industrial applications.

Q:What is the minimum pipe diameter of cast iron pipe?: Cast iron pipe: 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:The difference between flexible joint cast iron pipe and flexible anti-seismic cast iron pipe: Nodular cast iron pipes and fittings technical manual PDF download Fan Yingjun handsome date: Author: fan manufacturing technology, in January 2006, this book introduces the ductile iron pipe interface form, quality standard, installation technology and special use of ductile cast iron pipe and other content, lists all the technical parameters for ductile iron pipes, pipe fittings interface in order to facilitate the readers to use and accessories

Q:Are ductile iron pipes suitable for installation in rocky or hard soil conditions?: Yes, ductile iron pipes are suitable for installation in rocky or hard soil conditions. Ductile iron has excellent strength and durability, making it highly resistant to external pressures and impacts. It can withstand the challenges posed by rocky or hard soils, ensuring reliable and long-lasting performance.

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