• DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN600 System 1
  • DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN600 System 2
DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN600

DUCTILE IRON PIPE AND PIPE FITTINGS K9 CLASS DN600

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
21 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 resistant to microbiologically induced corrosion?
Yes, ductile iron pipes are generally resistant to microbiologically induced corrosion (MIC). Ductile iron is a type of cast iron that has been treated with magnesium to give it increased strength and flexibility. This treatment creates a protective layer on the surface of the iron, making it less susceptible to corrosion caused by microorganisms. MIC occurs when certain types of bacteria, fungi, or other microorganisms interact with the metal surface of pipes and produce corrosive byproducts. However, ductile iron is generally resistant to MIC because the protective layer formed during the manufacturing process acts as a barrier, preventing microorganisms from directly contacting the metal surface. Additionally, ductile iron pipes are often lined with cement mortar or other protective coatings, which further enhance their resistance to corrosion. These linings provide an additional layer of protection against microorganisms, reducing the potential for MIC. Despite these inherent resistance properties, it is important to note that the resistance to MIC can vary depending on the specific conditions and environment in which the pipes are installed. Factors such as water quality, temperature, and the presence of certain microorganisms can influence the susceptibility of ductile iron pipes to MIC. Therefore, it is essential to consider these factors and take appropriate measures to prevent MIC, such as regular monitoring of water quality, proper maintenance, and the use of corrosion inhibitors or biocides when necessary.
Q:Can ductile iron pipes be used for water distribution networks?
Water distribution networks can utilize ductile iron pipes. Ductile iron, a type of cast iron known for its strength and flexibility, is well-suited for a variety of applications, including water distribution systems. Due to their durability, resistance to corrosion, and long lifespan, ductile iron pipes have been widely used in water supply networks. These pipes are capable of withstanding high pressure and are resistant to external loads and ground movement, making them an ideal choice for underground installations. Additionally, ductile iron pipes are commonly used for transporting safe drinking water as they are non-toxic and do not contaminate the water supply. Moreover, ductile iron pipes possess excellent hydraulic properties, ensuring efficient water flow and minimizing friction losses. Their smooth interior surface prevents the accumulation of deposits, reducing the risk of clogs and maintaining a consistent water flow. In summary, ductile iron pipes offer a reliable and effective solution for water distribution networks, guaranteeing the safe and efficient transportation of water to communities and industries.
Q:What are the different lining materials available for ductile iron pipe?
Ductile iron pipes have multiple options for lining materials, which serve to safeguard the pipes from corrosion and prolong their lifespan. Some commonly used lining materials are as follows: 1. Cement Mortar Lining: This lining comprises a layer of cement mortar applied to the inner surface of the pipe. It serves as a durable and smooth barrier against corrosion, making it a popular choice for water and wastewater applications. 2. Polyethylene Encasement: In this method, the pipe is wrapped with a layer of polyethylene film. This lining delivers excellent protection against corrosion and is frequently employed in aggressive soil conditions. 3. Polyurethane Lining: Polyurethane lining is a spray-applied substance that forms a seamless and flexible barrier within the pipe. It offers exceptional resistance to chemicals and abrasion, making it suitable for applications involving aggressive fluids. 4. Epoxy Lining: Epoxy lining is widely chosen for lining ductile iron pipes due to its outstanding resistance to corrosion and chemicals. It is typically applied as a liquid coating that cures to form a protective and smooth layer. 5. Zinc Coating: Zinc coating, also known as galvanizing, involves applying a layer of zinc to the external surface of the pipe. This lining provides corrosion resistance and is commonly utilized in outdoor and exposed applications. These diverse lining materials offer distinct advantages and are selected based on the specific requirements of the application. Factors such as the nature of the transported fluid, environmental conditions, and expected service life play a crucial role in determining the most suitable lining material for ductile iron pipes.
Q:Can ductile iron pipes be used for geothermal energy systems?
Yes, ductile iron pipes can be used for geothermal energy systems. Ductile iron is a strong and durable material that can withstand the high temperatures and pressures often associated with geothermal energy systems. Its resistance to corrosion and high tensile strength make it an ideal choice for transporting geothermal fluids. Additionally, ductile iron pipes can be easily joined, allowing for flexibility and adaptability in design and installation. Overall, ductile iron pipes are a reliable and cost-effective option for geothermal energy systems.
Q:How are ductile iron pipes protected against interior corrosion?
Cement mortar lining is utilized to protect ductile iron pipes against interior corrosion. This process involves the application of a layer of cement mortar to the inner surface of the pipe. By acting as a protective barrier, the cement mortar prevents the corrosive elements in the water or fluid from directly contacting the iron material. To apply the cement mortar lining, the interior surface of the ductile iron pipe is initially prepared by removing any loose scale or debris. Next, a mixture of cement, sand, and water is prepared to create a paste-like consistency. Skilled workers can then manually apply this mixture to the interior surface of the pipe or use a spinning machine. Once the cement mortar lining is applied, it must cure for a specific period, typically around 24 hours. During this curing process, the cement mortar hardens and forms a dense protective layer on the pipe's inner surface. The cement mortar lining provides several advantages in safeguarding ductile iron pipes against corrosion. It creates a smooth and continuous surface that prevents direct contact between the water or fluid and the iron material, thus reducing the risk of corrosion. Additionally, the lining helps to minimize friction within the pipe, thereby enhancing flow efficiency. It is crucial to regularly inspect and maintain the cement mortar lining to ensure its effectiveness in preventing corrosion. Over time, the lining may develop cracks or deteriorate, compromising its protective properties. Therefore, periodic inspections are necessary to repair or replace the lining as required, ensuring the integrity of the ductile iron pipes and preventing interior corrosion.
Q:Can ductile iron pipes be used for submarine pipelines?
Submarine pipelines can indeed utilize ductile iron pipes. Ductile iron, celebrated for its robustness and durability, proves suitable for a range of applications, including those submerged underwater. For decades, ductile iron pipes have been successfully employed in the construction of submarine pipelines. They possess the ability to endure the harsh conditions prevalent in underwater environments, such as corrosion, pressure, and shifting seabeds. Furthermore, ductile iron pipes display exceptional resistance to external loads, rendering them ideal for submarine pipelines that bear the weight of water and potential impacts. However, it remains imperative to consider factors such as coating, cathodic protection, and proper installation techniques to ensure the long-term performance and integrity of the submarine pipeline.
Q:Are ductile iron pipes prone to leakage?
Ductile iron pipes are generally considered to be resistant to leakage. This type of pipe is known for its durability and strength, making it less prone to leaks compared to other materials like PVC or even cast iron pipes. Ductile iron pipes are designed to withstand high pressure and can withstand heavy loads, making them ideal for various applications such as water supply, sewage systems, and industrial pipelines. The unique properties of ductile iron, including its flexibility and ability to absorb vibrations and shocks, contribute to its resistance against leaks. Ductile iron pipes have a high tensile strength, which means they can handle the internal and external pressures exerted on them without cracking or breaking. Furthermore, ductile iron pipes have joints that are designed to be leak-proof. These joints are typically sealed with rubber gaskets and connected using various methods such as push-on joints or restrained joints with mechanical couplings. These joint designs ensure a secure and watertight connection, reducing the risk of leaks. However, like any other type of pipe, ductile iron pipes can still experience leaks under certain circumstances. Factors such as age, corrosion, poor installation, or ground movement can contribute to the development of leaks over time. Regular maintenance and inspections are important to identify and address any potential issues that may lead to leaks. Overall, while ductile iron pipes are generally resistant to leakage and known for their reliability, it is essential to ensure proper installation, regular maintenance, and timely repairs to maximize their longevity and prevent any potential leaks.
Q:Can ductile iron pipe be used for water supply to remote areas?
Ductile iron pipe is indeed applicable for providing water supply to far-flung regions. Its exceptional strength and durability render it suitable for transmitting water over long distances. These pipes can endure high pressure and withstand external loads and impacts, making them an ideal choice for rough terrains and remote locations that pose challenges in terms of maintenance and repairs. Moreover, ductile iron pipes are equipped with a protective lining that prevents corrosion and guarantees the safety of the water for consumption. Consequently, ductile iron pipes prove to be an effective and dependable option for water supply to remote areas.
Q:What are the different joint restraint systems available for ductile iron pipe?
Some of the different joint restraint systems available for ductile iron pipe include mechanical joint restraints, push-on joint restraints, and restrained joint systems.
Q:Are ductile iron pipes suitable for irrigation systems in agricultural fields?
Yes, ductile iron pipes are suitable for irrigation systems in agricultural fields. Ductile iron pipes have excellent strength, durability, and corrosion resistance, making them ideal for carrying water in irrigation systems. They can withstand high pressure and heavy loads, ensuring reliable water supply to agricultural fields for irrigation purposes.

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