DUCTILE IRON PIPE AND PIPE FITTINGS K8 CLASS DN80

DUCTILE IRON PIPE AND PIPE FITTINGS K8 CLASS DN80

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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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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: Can ductile iron pipes be used in potable water systems?: Yes, ductile iron pipes can be used in potable water systems. Ductile iron is a suitable material for water distribution systems as it has excellent durability, strength, and corrosion resistance. It is commonly used in potable water systems due to its ability to withstand high water pressure and its long service life. Additionally, ductile iron pipes are also approved by various national and international standards for use in potable water applications.

Q: How do ductile iron pipes handle extreme temperatures?: Ductile iron pipes are highly resistant to extreme temperatures. They can handle both high and low temperatures without any significant impact on their performance. This is due to the unique properties of ductile iron, including its high thermal conductivity and low thermal expansion coefficient. These characteristics allow the pipes to remain stable and durable, making them suitable for a wide range of temperature conditions.

Q: How does ductile iron pipe perform in seismic areas?: Ductile iron pipe performs exceptionally well in seismic areas due to its inherent strength and flexibility. Seismic activity can subject pipelines to significant ground movements and vibrations, and ductile iron pipes have proven to be highly resilient in such conditions. The unique properties of ductile iron, including its high tensile strength and ductility, allow it to absorb the energy generated during seismic events. This ability to flex and bend without breaking or fracturing makes it an excellent choice for areas prone to earthquakes. Furthermore, ductile iron pipes are designed and manufactured to withstand external forces and ground movements. They are often installed with flexible joints that can accommodate ground shifts and maintain the integrity of the pipeline system. These joints can absorb lateral and angular movements, reducing the risk of pipe failure. Additionally, ductile iron pipes have a long history of successful performance in seismic areas. They have been extensively tested and proven to meet or exceed industry standards for seismic resistance. This reliability is crucial in ensuring the safety and functionality of water and wastewater systems, even in the event of a seismic event. Overall, ductile iron pipe is a reliable and durable choice for pipelines in seismic areas. Its ability to withstand ground movements, its flexibility, and its proven track record make it an excellent option for ensuring the integrity and functionality of water and wastewater systems in earthquake-prone regions.

Q: Are ductile iron pipes resistant to acid mine drainage corrosion?: Yes, ductile iron pipes are generally resistant to acid mine drainage (AMD) corrosion. Ductile iron is a highly durable material that has been widely used in various industries, including mining and water distribution, due to its excellent corrosion resistance properties. Acid mine drainage is a significant environmental problem that occurs when water comes into contact with sulfide minerals in mining areas, resulting in the formation of sulfuric acid. This acid can corrode and deteriorate various materials, including pipes, leading to infrastructure damage and water contamination. Ductile iron pipes have a protective layer formed by a cementitious lining, typically made of cement mortar or an epoxy coating. This lining acts as a barrier between the corrosive AMD and the pipe material, preventing direct contact and reducing the likelihood of corrosion. Furthermore, ductile iron pipes have a high resistance to both internal and external corrosion, making them well-suited for environments where acid mine drainage may be present. They have proven to be highly reliable and long-lasting even in harsh conditions, ensuring the continued integrity of the water distribution system and minimizing the potential for leaks or failures. However, it is important to note that the resistance of ductile iron pipes to acid mine drainage corrosion can also depend on several other factors, such as the specific composition and concentration of the AMD, the duration of exposure, and the temperature. Therefore, it is recommended to consult with experts and conduct proper material testing and analysis to ensure the suitability of ductile iron pipes in specific AMD environments.

Q: Can ductile iron pipe be used for irrigation systems?: Indeed, irrigation systems can utilize ductile iron pipe. Ductile iron proves to be a robust and enduring substance capable of withstanding the demanding conditions of high pressure and continuous water flow necessary for these systems. Its resistance to corrosion renders it appropriate for subterranean applications where it may encounter moisture and soil. Furthermore, ductile iron pipes possess the advantage of being capable of supporting substantial loads, a crucial aspect for irrigation systems potentially relying on heavy machinery or vehicles. In conclusion, ductile iron pipe represents a dependable and enduring option for irrigation systems.

Q: What are the typical joint restraint requirements for ductile iron pipes under pressure?: In order to meet the joint restraint requirements for ductile iron pipes under pressure, there are two common options available: mechanical joint restraints and restrained joint systems. These restraints are essential to prevent separation or pulling apart of the pipes caused by internal pressure. A mechanical joint restraint, which is widely used, involves a series of bolts and clamps that securely hold the pipes together. These restraints are applied at each joint of the ductile iron pipes to ensure a tight and secure connection. By providing axial restraint, they prevent the pipes from separating along the pipe axis. Another option is the restrained joint system, which offers both axial and angular restraint. This system includes a specially designed joint that consists of a gasket, a restraining gland, and a series of bolts or wedges. The gasket ensures a watertight seal, while the restraining gland and bolts/wedges restrain the pipe joints, preventing separation under pressure. The specific requirements for joint restraints may vary depending on factors such as the pipe's diameter, wall thickness, and operating conditions. To determine the appropriate joint restraint system for a specific application, it is crucial to consult the manufacturer's guidelines and industry standards. Furthermore, proper installation and maintenance of the joint restraints are essential to ensure their effectiveness and longevity in restraining the pipes.

Q: What is the difference between ductile iron and cast iron pipes?: Ductile iron and cast iron pipes are both popular materials used in plumbing systems, but they have distinct differences in terms of composition, strength, and flexibility. 1. Composition: Ductile iron pipes are made from ductile iron, which is a type of cast iron that has been treated with trace amounts of magnesium to enhance its flexibility and strength. On the other hand, cast iron pipes are made from regular cast iron, which is more brittle and less malleable. 2. Strength: Ductile iron pipes are significantly stronger than cast iron pipes. Ductile iron has a higher tensile strength, meaning it can withstand higher levels of internal and external pressure. This makes it more suitable for applications where high strength is required, such as water mains or sewer lines. Cast iron pipes, on the other hand, are more prone to cracking or breaking under pressure. 3. Flexibility: Ductile iron pipes have greater flexibility compared to cast iron pipes. This flexibility allows them to withstand ground movement, making them less susceptible to damage or breakage caused by settling or shifting soil. Cast iron pipes, due to their inherent brittleness, are more likely to crack or separate when exposed to ground movement or vibrations. 4. Installation: Ductile iron pipes are typically joined using a mechanical joint or flanged joint, which provides a secure and leak-proof connection. On the other hand, cast iron pipes are usually joined using a bell-and-spigot joint, which relies on gaskets or lead caulking to create a seal. The mechanical joint used in ductile iron pipes offers better resistance to movement and external forces. 5. Cost: Ductile iron pipes are generally more expensive than cast iron pipes. The additional treatment process and higher strength of ductile iron contribute to the increased cost. However, the added durability and longer lifespan of ductile iron pipes can offset the initial investment, as they may require fewer repairs or replacements over time. In summary, the main differences between ductile iron and cast iron pipes lie in their composition, strength, flexibility, installation methods, and cost. Ductile iron pipes offer superior strength and flexibility, making them more suitable for demanding applications, while cast iron pipes are more brittle and prone to breakage. Ultimately, the choice between the two depends on the specific requirements of the plumbing system and the available budget.

Q: What is the typical diameter range of ductile iron pipes?: The typical diameter range of ductile iron pipes is between 4 inches and 64 inches.

Q: Can ductile iron pipes be used for underground cable conduits?: Yes, ductile iron pipes can be used for underground cable conduits. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications including underground cable conduits. They have the ability to handle heavy loads and provide protection to the cables from external elements. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and maintenance. However, it is important to consider factors such as depth of burial, soil conditions, and specific requirements of the cable installation before choosing ductile iron pipes for underground cable conduits.

Q: What is the difference between cast iron pipe and seamless steel pipe and galvanized steel 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. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated.

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