DUCTILE IRON PIPE AND PIPE FITTINGS K8CLASS DN600

DUCTILE IRON PIPE AND PIPE FITTINGS K8CLASS DN600

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 pc

Supply Capability:: 3000 pc/month

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Ductile Iron Pipe On Sale Made In China DN100

· 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 is ductile iron pipe different from cast iron pipe?: Ductile iron pipe and cast iron pipe are commonly used in plumbing and drainage applications, but they have differences in composition, strength, and flexibility. To begin with, ductile iron pipe is made from a different iron alloy than cast iron pipe. Ductile iron contains more carbon and silicon, which gives it increased strength and durability. On the other hand, cast iron pipe is made from gray iron, which has higher carbon content but lacks the flexibility of ductile iron. Moreover, ductile iron pipe is renowned for its superior strength and resistance to impact. It can withstand higher pressures and is less likely to crack or break under heavy loads or external forces. Cast iron pipe, although strong, is more brittle and prone to fractures and failures. Another significant distinction is the flexibility of ductile iron pipe. It possesses greater flexibility and can endure bending and deformation without fracturing. This flexibility facilitates easier installation, particularly in areas with uneven terrain or where ground movement may occur. In contrast, cast iron pipe is less flexible and more rigid, making it unsuitable for applications that require flexibility. Additionally, ductile iron pipe has a smoother interior surface compared to cast iron pipe. This smoothness reduces friction, enhances flow efficiency, and minimizes the accumulation of sediment and deposits within the pipe, resulting in improved water flow and reduced maintenance needs. In conclusion, ductile iron pipe sets itself apart from cast iron pipe due to its composition, strength, flexibility, and smooth interior surface. Ductile iron offers superior strength, impact resistance, and flexibility, making it the preferred choice in various plumbing and drainage applications.

Q:How are ductile iron pipes manufactured?: Ductile iron pipes are produced using a technique called centrifugal casting, which employs a spinning mold. The process commences with the selection and preparation of top-notch ductile iron, a form of cast iron containing small quantities of magnesium to enhance its strength and ductility. Initially, the ductile iron is melted in a furnace at exceedingly high temperatures. Once the molten iron attains the desired temperature, it is poured into a rotating mold. Shaped like a pipe, the mold spins at a high speed, ensuring even distribution of the molten iron along its inner surface. While the mold spins, the molten iron cools and solidifies against the mold walls. This swift cooling leads to the formation of a fine-grained structure, thereby augmenting the mechanical properties of the pipe, including its strength and durability. The spinning mold continues to rotate until the pipe solidifies completely, typically within a few minutes. Upon solidification, the pipe is extracted from the mold and any excess material, referred to as the "skin," is eliminated. Typically, machining or grinding is employed to remove the skin, achieving the desired dimensions and surface finish. Subsequently, the pipe undergoes heat treatment to further enhance its mechanical properties and alleviate internal stresses. After the completion of heat treatment, the pipe undergoes a thorough inspection to identify any defects or imperfections. This inspection encompasses visual examinations, non-destructive testing methods, and pressure testing to ensure compliance with the required specifications and standards. If any defects are detected, the severity of the issue determines whether the pipe undergoes repair or is rejected. Lastly, the pipes are coated with a protective layer to prevent corrosion and extend their lifespan. This protective coating can be applied through various methods, such as cement mortar lining, epoxy coating, or zinc coating. In summary, the manufacturing process of ductile iron pipes encompasses iron melting, centrifugal casting, cooling, skin removal, heat treatment, inspection, and coating. This process guarantees the production of high-quality pipes characterized by exceptional strength, durability, and resistance to corrosion.

Q:Can ductile iron pipe be used for hydroelectric power generation?: Yes, ductile iron pipe can be used for hydroelectric power generation. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications including the transportation of water in hydroelectric power plants.

Q:What are the different methods for restraining ductile iron pipe?: There exist various techniques for restraining ductile iron pipe to prevent any movement or displacement caused by internal pressure, external forces, or ground movement. The most commonly used approaches include: 1. Thrust blocks: Concrete blocks or structures are positioned at bends, tees, or other directional changes in the pipe. These blocks are designed to resist the forces exerted by flowing water or fluids within the pipe, effectively anchoring it in place. 2. Mechanical restraints: Harnesses or clamps are installed around the pipe and affixed to a fixed structure, such as a wall or concrete anchor. These restraints provide a physical barrier that prevents any movement or shifting of the pipe. 3. Pipe restraints: Devices directly attached to the pipe and anchored to a fixed structure, such as pipe clamps, restraints, or saddles. They are designed to securely hold the pipe in place and resist any movement or displacement. 4. Proper pipe bedding and backfill: It is crucial to properly support and surround the pipe with compacted material to prevent any movement or shifting. This method involves carefully placing and compacting soil or suitable materials around the pipe to provide stability and prevent displacement. 5. Trench walls: The walls of the trench where the ductile iron pipe is installed can also contribute to restraining it. By correctly compacting the soil against the pipe and ensuring proper stability of the trench walls, the pipe can be effectively restrained and prevented from moving. Overall, the various methods for restraining ductile iron pipe aim to ensure its secure placement without any displacement or movement. The choice of method depends on factors such as location, application, and the forces acting on the pipe. It is important to consult with engineers and adhere to industry guidelines and standards to determine the most appropriate method for restraining ductile iron pipe in specific situations.

Q:Are ductile iron pipes suitable for railway crossings?: Yes, ductile iron pipes can be suitable for railway crossings. Ductile iron is a strong and durable material that has been widely used in various applications, including water and sewage systems. Its high tensile strength and flexibility make it suitable for withstanding heavy loads and vibrations, which are common near railway crossings. Furthermore, ductile iron pipes have excellent resistance to corrosion, which is crucial in areas prone to moisture and exposure to different weather conditions. This resistance ensures the longevity of the pipes, reducing maintenance and replacement costs. Additionally, ductile iron pipes are known for their ease of installation and versatility. They can be easily connected with other types of pipes or fittings, allowing for a seamless integration into the overall railway crossing infrastructure. It is important to note that the suitability of ductile iron pipes for railway crossings also depends on various factors such as load requirements, soil conditions, and specific project specifications. Consulting with engineering professionals and adhering to industry standards and regulations is essential to ensure the appropriate selection and installation of ductile iron pipes for railway crossings.

Q:Can ductile iron pipe be used for water supply to remote areas?: Yes, ductile iron pipe can be used for water supply to remote areas. Ductile iron pipe is known for its durability, strength, and corrosion resistance, making it suitable for long-distance water supply systems. It can withstand challenging terrains and harsh weather conditions, ensuring reliable water supply to remote areas.

Q:Can ductile iron pipe be used for water treatment plants?: Yes, ductile iron pipe can be used for water treatment plants. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for transporting water and other fluids in various industrial applications, including water treatment plants.

Q:What is the maximum allowable joint deflection for ductile iron pipes?: The maximum allowable joint deflection for ductile iron pipes varies based on the specific design and application requirements. However, it is generally recommended to limit joint deflection to a maximum of 5% of the pipe diameter to ensure the structural integrity and longevity of the pipeline.

Q:Can ductile iron pipes be used in areas with high water velocity?: Yes, ductile iron pipes can be used in areas with high water velocity. Ductile iron pipes are known for their strength and durability, making them suitable for handling high water velocities and pressures. They have a high resistance to corrosion and can withstand the forces generated by fast-moving water. Additionally, ductile iron pipes are designed to have smooth internal surfaces, which helps in reducing friction and minimizing the impact of high water velocity on the pipe. However, it is important to ensure proper installation and maintenance practices to maximize the performance and longevity of the ductile iron pipes in high water velocity areas.

Q:Are ductile iron pipes suitable for hydroelectric power plants?: Yes, ductile iron pipes are suitable for hydroelectric power plants. Ductile iron pipes are known for their strength, durability, and flexibility, making them an ideal choice for various applications in the water industry, including hydroelectric power plants. These pipes can withstand high pressure and are resistant to corrosion, making them suitable for transporting water at different stages of the hydroelectric power generation process. Additionally, ductile iron pipes have a long service life and require minimal maintenance, reducing the overall operating costs of the power plant. Hence, ductile iron pipes are a reliable and suitable option for hydroelectric power plants.

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