DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN300

DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN300

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 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:Ductile iron pipe joint damage, water leakage, want to see the connection with other pipe fittings, how to operate?!: Sawing grinding head, increasing steel socket set

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:What is the purpose of ductile iron pipes?: Ductile iron pipes serve the crucial function of establishing a dependable and sturdy infrastructure for fluid transportation, including water, sewage, and gas. In comparison to steel or PVC pipes, ductile iron pipes offer notable advantages. One primary objective lies in ensuring the secure and efficient distribution of water to communities. Ductile iron pipes are specifically designed to endure high pressures and endure the challenging conditions found underground, rendering them an excellent choice for water supply systems. With their extended lifespan and minimal maintenance requirements, the necessity for frequent repairs or replacements is greatly reduced. Another purpose involves the efficient conveyance of sewage and wastewater. Ductile iron pipes possess exceptional resistance to corrosion, guaranteeing their ability to withstand the corrosive properties of sewage and other waste materials. Additionally, their structural strength enables them to endure heavy loads and ground movements, making them well-suited for underground sewer systems. Ductile iron pipes are also employed for gas transportation. Their remarkable mechanical properties empower them to withstand applications involving high pressures, making them the ideal choice for gas distribution networks. Furthermore, their durability and resistance to external factors like soil movement or temperature changes establish them as a reliable option for gas transmission systems. In essence, the overarching purpose of ductile iron pipes is to provide a resilient and enduring solution for the safe and efficient transportation of fluids. By contributing to the development and maintenance of essential infrastructure systems, they effectively support the needs of our communities.

Q:Can ductile iron pipes be used for both water and wastewater applications?: Ductile iron pipes are versatile and can be utilized in both water and wastewater settings. Their durability, strength, and corrosion resistance make them appropriate for various purposes such as water distribution, sewage systems, and wastewater treatment plants. These pipes are specifically engineered to endure high pressure and effectively manage the flow of both water and wastewater. Furthermore, ductile iron pipes possess a lengthy lifespan, minimizing the necessity for frequent replacements and maintenance. This attribute renders them a cost-effective alternative for both water and wastewater applications.

Q:What are the different coating thickness options for ductile iron pipe?: The different coating thickness options for ductile iron pipe vary depending on the specific application and requirements. However, common coating thickness options for ductile iron pipe range from 200 to 400 microns.

Q:What is the typical lifespan of ductile iron pipes?: The typical lifespan of ductile iron pipes can vary depending on various factors such as the quality of the pipes, the environmental conditions, and the maintenance practices. However, on average, ductile iron pipes have a lifespan of around 75 to 100 years. This makes them a durable and long-lasting option for water and sewage transportation systems. With proper installation and regular maintenance, these pipes can withstand corrosion, pressure, and other external factors, ensuring their longevity and reliability. Additionally, advancements in coatings and linings have further enhanced the lifespan of ductile iron pipes, making them an excellent choice for infrastructural projects.

Q:Are ductile iron pipes suitable for water distribution networks?: Yes, ductile iron pipes are highly suitable for water distribution networks. They possess excellent strength, durability, and corrosion resistance, making them ideal for carrying and delivering water over long distances. Additionally, their flexibility allows for easy installation and adaptability to various terrains, ensuring reliable and efficient water distribution.

Q:How can the connection of ductile iron pipe elbow be convenient for connecting?: The groove connecting pipe consists of two categories of products: sealing function of pipe connections with rigid joint, flexible joint, mechanical three and groove flange; the pipe connections transition of elbow, three links, four links, different diameter pipe, blind plate etc..

Q:What is the expected thrust restraint method for ductile iron pipes?: The expected thrust restraint method for ductile iron pipes is typically achieved through the use of mechanical joint restraints. These restraints are designed to resist the axial forces or thrust generated by the fluid pressure inside the pipe. The most common types of mechanical joint restraints used for ductile iron pipes include thrust blocks, tie rods, and harness restraints. Thrust blocks are concrete structures placed around the pipe joints to resist the thrust forces. They are typically constructed at bends, tees, and other changes in direction to prevent the movement of the pipes. Tie rods are another common method of thrust restraint, where steel rods are anchored to the pipe and secured to an immovable structure to counteract the thrust forces. Harness restraints consist of a series of steel rods or cables that encircle the pipe and are anchored to the ground on either side. These restraints distribute the axial forces along the length of the pipe, preventing movement and ensuring stability. The specific thrust restraint method used for ductile iron pipes may vary depending on factors such as pipe diameter, fluid pressure, soil conditions, and local regulations. It is important to consult with industry standards, engineering guidelines, and local authorities to determine the appropriate thrust restraint method for a given application.

Q:Can ductile iron pipe be used for both water and wastewater applications?: Yes, ductile iron pipe can be used for both water and wastewater applications. Ductile iron is a type of iron that has been treated with small amounts of magnesium to create a more flexible and durable material. This makes it suitable for transporting both water and wastewater. Ductile iron pipes are known for their high strength and resistance to corrosion, making them ideal for underground applications. They can handle the high pressures and varying flow rates associated with water distribution systems, as well as the corrosive nature of wastewater. Additionally, ductile iron pipes have a longer lifespan compared to other materials commonly used in water and wastewater applications, such as PVC or concrete. Therefore, they are often chosen for projects that require a reliable and long-lasting pipe material for both water and wastewater transport.

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