DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN1500

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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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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:Are ductile iron pipes suitable for use in industrial applications?: Yes, ductile iron pipes are suitable for use in industrial applications. Ductile iron pipes are known for their high strength and durability, making them ideal for handling the demands of industrial environments. They are resistant to corrosion and can withstand high pressures and temperatures. Additionally, ductile iron pipes have excellent impact resistance, making them suitable for use in areas with heavy traffic or potential for mechanical damage. Their flexibility allows them to absorb vibrations and shocks, further enhancing their suitability for industrial applications. Overall, ductile iron pipes are a reliable and cost-effective choice for various industrial sectors such as water and wastewater treatment, mining, power generation, and chemical plants.

Q:Are ductile iron pipes suitable for fire protection systems?: Ductile iron pipes are a perfect choice for fire protection systems. Ductile iron, being a robust and durable material, can endure extreme pressure and temperature fluctuations, making it an ideal option for reliable and long-lasting pipes in fire protection systems. Moreover, ductile iron demonstrates exceptional resistance to corrosion, preventing any deterioration of the pipes and ensuring the integrity of the fire protection system over time. Additionally, the high tensile strength of ductile iron provides added safety advantages, as it can withstand the stress and strain that may arise during a fire incident. Consequently, ductile iron pipes are extensively utilized in fire protection systems across various applications, including commercial buildings, industrial facilities, and residential areas.

Q:Can ductile iron pipes be used in areas with high levels of hydrogen sulfide gas?: Ductile iron pipes can generally be used in areas with high levels of hydrogen sulfide gas, but it is important to consider certain factors before making a decision. Hydrogen sulfide gas is corrosive and can potentially cause damage to metal pipes over time. While ductile iron is known for its durability and corrosion resistance, prolonged exposure to high levels of hydrogen sulfide gas can still lead to corrosion and deterioration. To mitigate the risks associated with hydrogen sulfide gas, it is advisable to assess the specific conditions of the area beforehand. This includes conducting a comprehensive analysis of the hydrogen sulfide gas concentration, pH levels, temperature, and other factors that may influence corrosion. Consulting with experts or engineering professionals who specialize in corrosion control can provide valuable insights and guidance. In some cases, additional measures may be necessary to protect ductile iron pipes. Coating the interior and exterior surfaces of the pipes with protective materials, such as epoxy or polyethylene, can provide an extra layer of defense against corrosion. Alternatively, cathodic protection systems can be employed to protect the pipes by applying a low voltage electrical current that mitigates the corrosion process. Ultimately, the decision to use ductile iron pipes in areas with high levels of hydrogen sulfide gas should be based on a thorough understanding of the specific conditions and implementing appropriate corrosion prevention measures. Regular monitoring and maintenance should also be conducted to ensure the pipes are functioning optimally and to address any potential issues before they escalate.

Q:Are ductile iron pipes suitable for use in oil refineries?: Yes, ductile iron pipes are suitable for use in oil refineries. Ductile iron is a type of cast iron that offers a unique combination of strength, durability, and flexibility, making it an excellent choice for various applications, including oil refineries. One of the key advantages of ductile iron pipes is their high tensile strength, allowing them to withstand the high pressure and stress commonly found in oil refining processes. This strength is crucial for the transportation of various fluids, including crude oil, refined petroleum products, and chemicals within the refinery. Additionally, ductile iron pipes have excellent corrosion resistance properties, making them highly resistant to the corrosive effects of oil, chemicals, and other substances typically present in oil refineries. This corrosion resistance ensures the longevity and reliability of the pipes, reducing the need for frequent maintenance and replacement. Furthermore, ductile iron pipes have exceptional ductility, which means they can absorb and withstand significant impacts and vibrations without fracturing or breaking. This quality is advantageous in oil refineries where there may be frequent movement or potential stressors due to machinery, equipment, or ground settlement. Moreover, ductile iron pipes have a smooth interior surface that reduces friction, allowing for efficient fluid flow and minimizing pressure loss. This characteristic is essential in oil refineries, as it helps optimize the transportation of fluids, ensuring a smooth and reliable production process. In conclusion, ductile iron pipes are suitable for use in oil refineries due to their high tensile strength, corrosion resistance, ductility, and smooth interior surface. These pipes provide a reliable and durable solution for transporting various fluids within the refinery, contributing to the efficient and safe operation of oil refining processes.

Q:Are ductile iron pipes resistant to external loads?: Yes, ductile iron pipes are highly resistant to external loads. Their inherent strength and flexibility make them capable of withstanding heavy loads and stresses from surrounding soil and traffic.

Q:Are ductile iron pipes resistant to acid attacks?: Yes, ductile iron pipes are generally resistant to acid attacks. Ductile iron is a type of cast iron that has been treated with magnesium to improve its strength and ductility. This treatment creates a more resistant material that can withstand corrosive environments, including acids. However, it is important to note that the level of resistance may vary depending on the specific acid and concentration involved. In highly corrosive environments, such as those with strong acids or high concentrations, additional protective measures such as lining or coating the pipes may be necessary. Additionally, regular inspection and maintenance are also important to ensure the long-term durability and resistance of ductile iron pipes.

Q:How do ductile iron pipes handle internal scale buildup?: Ductile iron pipes possess exceptional resistance to the accumulation of internal scale, making them highly regarded. The material utilized in these pipes displays remarkable resistance to corrosion, effectively hindering the formation of scale deposits. Moreover, the pipes' sleek internal surface considerably reduces the likelihood of scale adherence. In the unlikely event that scale does commence its formation, ductile iron pipes handle it proficiently. The inherent robustness and durability of ductile iron enable it to withstand the pressure exerted by scale buildup. Consequently, the pipes can maintain efficient functionality, even in the presence of some internal scaling, thereby ensuring a dependable water flow. Nevertheless, it should be emphasized that regular maintenance and periodic cleaning remain imperative in order to prevent excessive accumulation of scale and ensure optimal pipe performance. This can be achieved through a variety of methods, including mechanical cleaning, chemical treatments, or high-pressure water jetting. By adhering to proper maintenance practices, the lifespan of ductile iron pipes can be prolonged, while minimizing any potential issues associated with internal scale buildup.

Q:How are ductile iron pipes protected against root intrusion?: Ductile iron pipes are protected against root intrusion through various methods and techniques. One commonly used approach is the application of root inhibitors or growth regulators. These chemicals are typically injected into the soil around the pipes, creating a barrier that inhibits root growth near the pipe. This helps prevent roots from penetrating the pipe and causing damage. Another method involves the use of physical barriers such as root barriers or sleeves. These are installed around the pipes to physically block the roots from accessing them. Root barriers are typically made of materials like plastic or metal and are designed to withstand the pressure exerted by growing roots. Additionally, regular maintenance practices such as periodic inspections and cleaning are essential in preventing root intrusion. By monitoring the condition of the pipes and removing any existing root masses, the risk of further root intrusion can be minimized. It is worth noting that preventative measures are more effective than reactive measures when it comes to protecting ductile iron pipes against root intrusion. Therefore, implementing proactive strategies during the installation phase, such as proper pipe bedding and alignment, can help reduce the likelihood of root intrusion in the first place. Overall, a combination of chemical treatments, physical barriers, and appropriate maintenance practices can significantly enhance the protection of ductile iron pipes against root intrusion, ensuring their long-term durability and functionality.

Q:What are the different types of valves available for ductile iron pipe?: Ductile iron pipe offers a variety of valve options, each with its own unique purpose and function. Among the most commonly used valves are: 1. Gate Valves: These valves are designed to either fully open or fully close the fluid flow in the pipe. They feature a gate-like mechanism that permits or blocks the passage of fluid depending on the valve's position. 2. Butterfly Valves: Butterfly valves are quarter-turn valves that utilize a circular disc to control the flow. When open, the disc aligns parallel to the flow, resulting in minimal pressure drop. Conversely, when closed, the disc aligns perpendicular to the flow, effectively stopping the fluid. 3. Ball Valves: Ball valves consist of a spherical disc with a central hole, known as a ball. When the valve is open, the ball is positioned to allow fluid to pass through the hole. To close the valve, the ball is rotated to obstruct the flow. 4. Check Valves: Check valves are specifically designed to permit fluid flow in one direction only, preventing backflow. They incorporate a flap or disc that opens when the flow is in the correct direction and closes to halt the flow when reversal occurs. 5. Plug Valves: Plug valves feature a cylindrical or conical plug with a through-hole that can be rotated to regulate the flow. When open, the hole aligns with the pipe, enabling fluid to pass. Closing the valve positions the hole perpendicular to the pipe, blocking the flow. 6. Pressure Reducing Valves: These valves serve the purpose of controlling and reducing the pressure of fluid within the pipe. They employ a mechanism that adjusts the flow area to achieve pressure reduction. 7. Pressure Sustaining Valves: Pressure sustaining valves are utilized to maintain a specific pressure level within the pipe. They automatically adjust the flow area to sustain the desired pressure. 8. Air Release Valves: Air release valves are employed to eliminate trapped air within the pipe. They allow air to escape while preventing fluid leakage. These examples demonstrate the diverse range of valve options available for ductile iron pipe. The selection of a suitable valve depends on factors such as the application, flow requirements, and desired functionality.

Q:What is the relationship between the installation direction of the ductile iron pipe and the direction of flow?: The ductile iron pipe is installed in the direction of the current.

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