DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN600

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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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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: The difference between flexible joint cast iron pipe and flexible anti-seismic cast iron pipe: Nodular cast iron pipes and fittings technical manual PDF download Fan Yingjun handsome date: Author: fan manufacturing technology, in January 2006, this book introduces the ductile iron pipe interface form, quality standard, installation technology and special use of ductile cast iron pipe and other content, lists all the technical parameters for ductile iron pipes, pipe fittings interface in order to facilitate the readers to use and accessories

Q: How does ductile iron pipe perform in seismic conditions?: Seismic conditions are where ductile iron pipe truly shines. This type of pipe has gained a reputation for its outstanding performance in such situations, making it the go-to choice for underground water and wastewater systems, particularly in earthquake-prone areas. The remarkable strength and flexibility of ductile iron pipe make it highly resistant to seismic forces. It can withstand the ground movements and vibrations caused by earthquakes without suffering significant damage or failure. The secret lies in its unique composition, which consists of a high iron content combined with small amounts of carbon and other alloying elements. The crucial advantage of ductile iron pipe in seismic conditions is its ability to absorb and dissipate seismic energy through its inherent flexibility. When the ground shifts during an earthquake, the pipe can adapt and deform slightly to accommodate the movement. This minimizes stress concentrations and reduces the risk of fractures. Furthermore, the joint integrity of ductile iron pipe is exceptional, a vital characteristic in seismic conditions. The joints are designed to offer maximum strength and resistance against external forces, including seismic activity. Different joint types, such as push-on, mechanical, and restrained joints, are available to suit various seismic requirements and installation conditions. Not only does ductile iron pipe possess impressive mechanical properties, but it also offers long-term corrosion resistance. Typically, the pipe is lined with a cement mortar or a protective coating, acting as a barrier against corrosive elements present in the soil or water. This corrosion resistance ensures the pipe's structural integrity and longevity, even in regions with high seismic activity. Overall, ductile iron pipe has a proven track record of exceptional performance in seismic conditions. Its strength, flexibility, joint integrity, and corrosion resistance make it a reliable choice for underground infrastructure, providing secure and efficient water and wastewater systems in areas prone to earthquakes.

Q: Can ductile iron pipes be used in seismic zones?: Indeed, in seismic zones, ductile iron pipes are suitable for use. These pipes possess remarkable strength and flexibility, enabling them to endure ground movement and seismic events. Their capacity to absorb and disperse the forces generated by earthquakes reduces the likelihood of pipe failure or harm. Moreover, ductile iron pipes have been effectively employed in seismic zones for numerous years, with their performance confirmed by various examinations and assessments. Nevertheless, adhering to the proper design and installation guidelines is crucial to guarantee the optimal operation and safety of ductile iron pipes in seismic zones.

Q: Is it better to use steel tubes or ductile iron pipes for water supply?: Flexible seamless steel pipe is good toughness, good processing, better than ductile iron corrosion resistance, the price is slightly higher;

Q: What are the different types of restrained joints for ductile iron pipe?: Some of the different types of restrained joints for ductile iron pipe include mechanical joints, push-on joints, and restrained push-on joints. Mechanical joints use bolts and gaskets to create a tight seal, while push-on joints rely on a rubber gasket to provide a secure connection. Restrained push-on joints incorporate additional features such as external restraints or wedges to prevent pipe movement.

Q: What are the different methods for repairing ductile iron pipe?: Repairing ductile iron pipes can be done using various methods, which depend on the extent and location of the damage. One popular approach involves the utilization of repair clamps or couplings. These clamps or couplings, typically constructed from stainless steel, are designed to effectively seal off and prevent further leakage from leaks or cracks in the pipe. They can be used as a temporary or permanent solution. Another option is the application of epoxy lining or patching. This method entails the use of a specialized epoxy material that forms a protective barrier on the inside of the pipe, effectively covering the damaged area. It is particularly suitable for smaller cracks or leaks and offers a durable solution. In cases where the damage is more severe, such as the presence of large cracks or fractures, it may be necessary to remove and replace the damaged section of the pipe. This process involves excavating the surrounding area, eliminating the damaged part, and installing a new section of ductile iron pipe. Alternatively, trenchless repair methods can be employed. These advanced techniques, including pipe bursting or cured-in-place pipe lining, allow for pipe repair without extensive excavation. Not only can these methods be more cost-effective, but they also cause less disruption compared to traditional repair approaches. It is important to consider the extent of the damage, the pipe's location, and the available resources and expertise when selecting a specific repair method for ductile iron pipes. Seeking guidance from a professional pipe repair service is advised to determine the most appropriate approach for a particular repair situation.

Q: What is the expected thrust restraint method for ductile iron pipes?: Typically, to achieve the expected thrust restraint for ductile iron pipes, mechanical joint restraints are employed. These restraints are designed to counteract the axial forces or thrust caused by the fluid pressure within the pipe. Thrust blocks, tie rods, and harness restraints are the most commonly used types of mechanical joint restraints for ductile iron pipes. Thrust blocks are concrete structures strategically placed around the pipe joints to resist the thrust forces. They are typically constructed at bends, tees, and other directional changes to prevent pipe movement. Tie rods, on the other hand, are another frequently used method of thrust restraint. These involve steel rods that are anchored to the pipe and securely fastened to an immovable structure to counter the thrust forces. Harness restraints, however, are constituted by a series of steel rods or cables that encircle the pipe and are anchored to the ground on both sides. These restraints effectively distribute the axial forces along the pipe's length, preventing movement and ensuring stability. The choice of a specific thrust restraint method for ductile iron pipes may vary depending on various factors such as pipe diameter, fluid pressure, soil conditions, and local regulations. It is vital to consult industry standards, engineering guidelines, and local authorities to determine the appropriate thrust restraint method for a particular application.

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: How does ductile iron pipe perform in areas with high soil compaction?: Areas with high soil compaction benefit greatly from the exceptional performance of ductile iron pipe. One of its key advantages lies in its high strength and durability, enabling it to withstand heavy loads and pressures. In regions where soil compaction is prevalent, leading to ground movement and settling, ductile iron pipe's superior structural integrity guarantees its intactness and effective handling of stress. Moreover, ductile iron pipe exhibits excellent resistance to corrosion, which is especially crucial in areas with high soil compaction. The compacted soil often contains elevated levels of moisture or chemicals that may accelerate the corrosion process. Ductile iron's inherent resistance to corrosion ensures the pipe maintains its integrity over time, even in challenging soil conditions. Flexibility is another advantage of ductile iron pipe. This material possesses a high degree of flexibility, enabling it to absorb and distribute external loads more efficiently. In areas with high soil compaction, where the ground may shift or settle, ductile iron's flexibility minimizes the risk of pipe failure or damage. Additionally, ductile iron pipe boasts a smooth interior surface, enhancing its hydraulic performance. In regions with high soil compaction, where space for proper compaction around the pipe may be limited, the smooth interior reduces the likelihood of sediment buildup or clogging, ensuring efficient water flow. Overall, ductile iron pipe proves to be an excellent solution for areas with high soil compaction. Its strength, corrosion resistance, flexibility, and hydraulic performance establish it as a reliable and durable choice capable of withstanding the challenges presented by compacted soils.

Q: Can ductile iron pipes be used for firefighting systems?: Yes, ductile iron pipes can be used for firefighting systems. Ductile iron is a strong and durable material that can withstand high pressures and extreme temperatures, making it suitable for transporting water in firefighting systems. Its ability to resist corrosion and withstand external loads also ensures the long-term reliability and performance of the pipes. Additionally, ductile iron pipes have excellent fire resistance properties, as they do not burn, emit toxic fumes, or contribute to the spread of fire. Therefore, ductile iron pipes are a reliable and commonly used choice for firefighting systems due to their strength, durability, and fire resistance.

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