DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN450

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN450

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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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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:What is the relationship between the direction of the spigot and the direction of the flow in the ductile iron pipe?: Called "ductile" (Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc..

Q:How do ductile iron pipes handle soil movement?: Ductile iron pipes are known for their excellent strength and durability, making them highly capable of handling soil movement. These pipes are designed to resist external loads and pressures caused by soil settlement, ground shifting, or other environmental factors. One of the key features of ductile iron pipes is their flexibility. Unlike rigid materials such as cast iron or concrete pipes, ductile iron pipes have a certain level of elasticity that allows them to withstand soil movement without cracking or breaking. This flexibility enables the pipes to absorb the stresses induced by the soil, preventing any significant damage to the pipeline system. Furthermore, ductile iron pipes possess high tensile strength, which means they can resist pulling forces resulting from soil movement. The pipes can withstand the expansion and contraction of the surrounding soil, reducing the risk of pipe deformation or failure. Moreover, ductile iron pipes are often installed with proper bedding and backfilling techniques to further enhance their ability to handle soil movement. Adequate bedding materials, such as crushed stone or sand, are used to provide stable support to the pipes and distribute the external loads evenly. This helps to minimize the impact of soil movement on the pipes and maintain their structural integrity. In summary, ductile iron pipes are designed to effectively handle soil movement due to their flexibility, high tensile strength, and proper installation methods. These pipes can withstand the stresses induced by soil settlement, ground shifting, or other soil-related factors, ensuring reliable and long-lasting performance in various environmental conditions.

Q:What is the expected joint deflection of ductile iron pipes?: Various factors, such as the pipe diameter, joint type, and installation conditions, influence the expected joint deflection of ductile iron pipes. Generally, ductile iron pipes are designed to allow for some deflection at the joints to accommodate flexibility and movement. The American Water Works Association (AWWA) offers guidelines for the maximum allowable joint deflection of ductile iron pipes. According to AWWA C151/A21.51, the joint deflection should typically not exceed 3 degrees or 1% of the nominal pipe diameter, whichever is greater. It is crucial to ensure that the joint deflection remains within the specified limits to maintain the structural integrity and performance of the pipeline system. Excessive joint deflection can result in leaks, failures, and reduced pipe lifespan. To accurately determine the expected joint deflection for a specific installation, it is recommended to refer to the manufacturer's specifications and guidelines. These specifications may vary based on pipe size, joint type, and other factors. Seeking guidance from a qualified engineer or directly contacting the manufacturer can provide precise information tailored to the project requirements.

Q:Are ductile iron pipes resistant to UV degradation?: No, ductile iron pipes are not resistant to UV degradation.

Q:Can ductile iron pipe be used for stormwater systems?: Ductile iron pipe is indeed suitable for stormwater systems. This material is widely utilized in various applications, including stormwater systems, due to its strength and durability. Its exceptional corrosion resistance makes it ideal for managing stormwater, which frequently contains debris and chemicals. Moreover, ductile iron pipe possesses impressive tensile strength, enabling it to withstand significant amounts of pressure and weight. Therefore, it is a dependable option for stormwater systems that may encounter substantial flow rates and occasional surges. Furthermore, ductile iron pipe is accessible in a variety of sizes and configurations, providing flexibility and adaptability when designing stormwater systems.

Q:What are the typical bedding and backfill requirements for ductile iron pipes?: The typical bedding and backfill requirements for ductile iron pipes are important to ensure the proper installation and long-term performance of the pipes. Generally, the bedding material should be a granular material that provides support and uniform load distribution to the pipe. This can include materials such as sand, gravel, or crushed stone. The bedding material should be placed in a continuous and uniform layer along the bottom of the trench, with a minimum thickness of 6 inches. The width of the bedding layer should be at least 1.5 times the outside diameter of the pipe, or as specified by the pipe manufacturer. Backfill material is used to fill the remaining space around the pipe after the bedding is in place. The backfill material should also be a granular material, free from large stones, debris, or organic matter. It should be compacted in layers around the pipe, typically in 6-inch increments, using appropriate compaction equipment. The backfill should be placed evenly around the pipe, ensuring that there are no voids or gaps. It is important to avoid excessive compaction that could lead to damage or deformation of the pipe. The backfill material should extend above the top of the pipe to provide a minimum of 12 inches of cover. In addition to the bedding and backfill requirements, it is essential to follow any specific guidelines provided by the pipe manufacturer. These guidelines may include recommendations for specific materials, compaction methods, or additional protective measures. Overall, the proper bedding and backfilling of ductile iron pipes is crucial for maintaining the structural integrity and preventing damage or failure of the pipe system. Adhering to industry standards and manufacturer specifications ensures the longevity and performance of the pipes in various applications.

Q:How does ductile iron pipe perform in high-velocity flow conditions?: The performance of ductile iron pipe is exceptional in conditions with high-velocity flow. It can endure the forces exerted by these flows without experiencing significant damage or failure, thanks to its unique properties like high tensile strength and impact resistance. One advantage of ductile iron pipe is its ability to withstand water hammer, which is a sudden increase in pressure caused by the rapid deceleration or change in direction of water flow. This is particularly crucial in high-velocity flow conditions, where water velocity is significantly higher than normal. Ductile iron pipes are designed to absorb and dissipate the energy generated by water hammer, protecting the pipe and the surrounding infrastructure. Moreover, ductile iron pipe has excellent flow characteristics, ensuring smooth and efficient water transport even at high velocities. This is especially important in applications that require quick transportation of a large volume of water, such as industrial processes or fire protection systems. The smooth interior surface of ductile iron pipe minimizes friction and pressure losses, allowing water to flow freely and efficiently, reducing energy consumption and operating costs. Furthermore, ductile iron pipe is highly resistant to corrosion, which is a common issue in high-velocity flow conditions where the water may contain aggressive chemicals or particulates. The protective lining and coating systems used in ductile iron pipes create a barrier against corrosion, prolonging the lifespan of the pipe and maintaining its structural integrity. In conclusion, ductile iron pipe is ideal for high-velocity flow conditions due to its ability to withstand water hammer, excellent flow characteristics, and resistance to corrosion. Its strength, durability, and reliable performance make it a preferred choice for various applications, ensuring efficient water transport even in demanding environments.

Q:Can ductile iron pipes be used in acidic environments?: Yes, ductile iron pipes can be used in acidic environments. Ductile iron pipes have a high resistance to corrosion, making them suitable for various applications including acidic environments. The high carbon content in ductile iron pipes creates a protective layer on the surface of the pipe, preventing the acid from directly attacking the iron. Additionally, the inner lining of the pipe can be coated with epoxy or other protective materials to further enhance its resistance to corrosion in acidic conditions. However, it is important to consider the specific concentration and type of acid present in the environment, as certain acids may still cause corrosion over time. Consulting with experts or manufacturers is recommended to ensure appropriate material selection for specific acidic environments.

Q:What are the different types of joints used with ductile iron pipe?: There are several different types of joints that can be used with ductile iron pipe. These joints are designed to provide a secure and watertight connection between sections of pipe. Some of the most common types of joints used with ductile iron pipe include: 1. Mechanical Joint: This is the most commonly used joint for ductile iron pipe. It consists of a gland and a follower which are tightened using bolts and nuts to provide a tight seal. Mechanical joints are flexible and can accommodate slight misalignments. 2. Push-On Joint: This type of joint does not require any bolts or nuts. It is designed to be easily assembled by simply pushing the pipe sections together. A rubber gasket is used to provide a watertight seal. 3. Restrained Joint: Restrained joints are specifically designed for applications where pipe movement needs to be limited. These joints typically include a mechanical joint with additional features such as thrust collars or tie rods to prevent axial movement. 4. Flanged Joint: Flanged joints are commonly used for larger diameter pipes. The pipe ends are flanged and then bolted together, with a gasket placed in between to create a leak-proof connection. Flanged joints are typically used in applications where frequent disassembly and reassembly may be required. 5. Welded Joint: In some cases, ductile iron pipe sections may be welded together using a fusion welding process. This creates a permanent and strong joint. Welded joints are commonly used in high-pressure applications where a reliable and durable connection is required. It is important to note that the choice of joint type will depend on the specific requirements of the project, such as the pipe diameter, pressure rating, and the nature of the fluid being transported. Additionally, local regulations and standards may also dictate the type of joint that should be used in certain applications.

Q:Can ductile iron pipes be used in earthquake-prone areas?: Yes, ductile iron pipes can be used in earthquake-prone areas. Ductile iron is a flexible and durable material that can withstand seismic activity and ground movements. It has been tested and proven to have high resistance against earthquakes, making it a suitable choice for infrastructure in earthquake-prone regions.

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