Ductile Iron Pipe ISO2531:1998 DN100-DN1000

Ductile Iron Pipe ISO2531:1998 DN100-DN1000

Ref Price:: $505.00 - 635.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 200000 m.t./month

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1,Ductile Iron Pipe Description :

DI pipe fittings are manufactured according to ISO 2531 or BS EN545 or BS4772 FOR POTABLE WATER ,internal is cement lining or wet epoxy coating;External is zinc plus bitumen or wet epoxy coating. We also manufacture ductile iron fittings with fusion bonded epoxy both inside and outside. All the producets are sutible to water pipes fields.We have passed ISO9001,ISO14001,OHSMS18001 certificate.

Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179, outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.

Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633.we can do third party inspection according to customer's request.

2,Main Features of the Ductile Iron Pipe:

1).Quality guarantee
• Chemical checking
• NDE after rough machining
• Mechanical testing after heat treatment
• Final NDE,dimension inspected
2).Quality document
• Full Q.A document as per client request
3).Packing and Shipping
• standard export package(carton/wooden case/pallet)
• accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent
4).Service
• Drawing: we can translate your original drawing, offer best suggestion on design
• Quality: we have full set quality control system to guarantee the best quality.
• Inspection: inspect in house, all our products must be checked 3 times before packing
3,Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531:1998 DN100-1200

4.FAQ:

We have organized several common questions for our clients，may help you sincerely

Q: Why would you choose ductile iron pipe rather than other pipe materials?

A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.

Q:Why can you guarantee the inner of pipes can’t be corroded?

A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

Q: What is the expected joint tightness for ductile iron pipes?: The expected joint tightness for ductile iron pipes is typically high due to the robustness of the material and the quality of the jointing methods used, such as rubber gaskets or mechanical couplings. This ensures a reliable and leak-free performance in various applications.

Q: Can ductile iron pipes be used for irrigation systems in saline soil conditions?: Yes, ductile iron pipes can be used for irrigation systems in saline soil conditions. Ductile iron pipes have excellent corrosion resistance properties, making them suitable for use in saline environments. However, it is important to consider the specific requirements and consult with experts to ensure proper selection and installation methods are implemented for optimal performance and durability in such conditions.

Q: How do ductile iron pipes handle ground settlement near construction foundations?: Ductile iron pipes are known for their ability to handle ground settlement near construction foundations effectively. Due to their flexible nature, these pipes can withstand ground movement without experiencing severe damage or failure. When the ground settles near construction foundations, it can cause shifts in soil, which in turn can exert pressure on the surrounding infrastructure. Ductile iron pipes have the advantage of being able to absorb and distribute this pressure, minimizing the risk of pipe breakage or deformation. One key factor that contributes to the resilience of ductile iron pipes is their high tensile strength. This strength allows the pipes to maintain their structural integrity even under significant external forces. As a result, they can withstand ground settlement without experiencing fractures or cracks. Furthermore, ductile iron pipes also have a high degree of flexibility. This flexibility enables them to adapt to minor ground movements and accommodate shifts in soil without compromising their functionality. The pipes can bend slightly without breaking or causing leaks, ensuring continuous flow of fluids and preventing any disruptions to the construction project. In addition, ductile iron pipes are often installed with proper bedding and backfill materials. This ensures that the pipes have a stable and secure foundation, reducing the risk of movement and settlement. The use of these materials also helps distribute the load exerted on the pipes more evenly, further enhancing their ability to handle ground settlement. Overall, ductile iron pipes are an excellent choice for construction projects where ground settlement is a concern. Their strength, flexibility, and proper installation techniques allow them to effectively handle ground movement near construction foundations, providing reliable and long-lasting infrastructure.

Q: What is the weight of ductile iron pipes?: The weight of ductile iron pipes can vary depending on their size and wall thickness. On average, a 10-foot length of 6-inch diameter ductile iron pipe can weigh approximately 180 pounds. However, it is important to note that different manufacturers may have slight variations in weight due to differences in manufacturing processes and materials used. It is recommended to consult specific product specifications or contact the manufacturer for accurate weight information.

Q: How are ductile iron pipes different from other types of pipes?: Ductile iron pipes are different from other types of pipes primarily due to their enhanced strength and durability. Unlike traditional cast iron pipes, ductile iron pipes have a higher tensile strength and can withstand higher internal and external pressures. They are also less prone to cracking or breaking under heavy loads or impact, making them suitable for both above-ground and underground applications. Additionally, ductile iron pipes offer superior resistance to corrosion, which increases their lifespan and reduces maintenance requirements compared to other pipe materials.

Q: How are ductile iron pipes inspected for quality control?: Ductile iron pipes are inspected for quality control through a series of rigorous tests and inspections to ensure their compliance with industry standards. One of the most common methods used is visual inspection, where trained inspectors examine the pipes for any visible defects such as cracks, pits, or surface irregularities. This helps in identifying any visual defects that may compromise the overall quality of the pipes. In addition to visual inspection, another crucial quality control measure is dimensional inspection. This involves measuring the dimensions of the pipes, such as diameter, wall thickness, and length, using specialized tools and equipment. By comparing these measurements against the specified tolerances, any deviations can be identified, and necessary corrective actions can be taken. Another important quality control step is hydrostatic pressure testing. In this test, the pipes are subjected to internal pressure that is higher than their intended operating pressure. This ensures that the pipes can withstand the required pressure without any leakage or failure. The test involves filling the pipes with water and gradually increasing the pressure, while closely monitoring for any signs of leakage or deformation. Furthermore, ductile iron pipes undergo various mechanical tests, such as tensile strength testing and impact testing, to evaluate their mechanical properties. These tests involve applying controlled forces or impacts to the pipes and measuring their response. By doing so, the strength, toughness, and durability of the pipes can be assessed, ensuring they meet the necessary requirements. Lastly, metallurgical examinations are conducted to analyze the microstructure of the ductile iron pipes. This involves taking samples from the pipes and using microscopy techniques to examine the grain structure, phase distribution, and any potential defects at a microscopic level. This helps in identifying any issues that may not be visible to the naked eye but could affect the overall quality of the pipes. Overall, the inspection process for ductile iron pipes involves a combination of visual, dimensional, hydrostatic, mechanical, and metallurgical tests. These quality control measures help ensure that the pipes meet the required standards, providing reliable and durable infrastructure for various applications.

Q: Can ductile iron pipe be used for municipal water supply?: Yes, ductile iron pipe can be used for municipal water supply. Ductile iron pipe has been widely used in municipal water supply systems for many years due to its durability, strength, and resistance to corrosion. It is well-suited for underground applications as it can withstand high pressure and heavy loads. Additionally, ductile iron pipe has a long lifespan, typically exceeding 100 years, which makes it a cost-effective choice for municipal water supply systems. Overall, ductile iron pipe is a reliable and commonly used material for ensuring the safe and efficient delivery of water to communities.

Q: Can ductile iron pipe be used for power plant cooling water systems?: Yes, ductile iron pipe can be used for power plant cooling water systems. Ductile iron pipe is known for its high strength and durability, which makes it suitable for various applications, including cooling water systems in power plants. It has excellent corrosion resistance, making it resistant to the corrosive effects of water and chemicals commonly found in cooling water systems. Additionally, ductile iron pipe has a smooth interior surface that minimizes friction loss and allows for efficient water flow. These characteristics make ductile iron pipe a reliable and cost-effective choice for power plant cooling water systems.

Q: How are ductile iron pipes connected together?: Ductile iron pipes are commonly joined together using different methods, which vary depending on the specific application and requirements. The most frequently used method for connecting these pipes is through mechanical joint fittings. These fittings consist of one pipe with a bell end and another with a spigot end, which are joined using bolts or clamps and a rubber gasket. The rubber gasket ensures a tight seal, while the bolts or clamps secure the joint and prevent any movement or separation. Another approach to connecting ductile iron pipes is through flanged joints. This involves attaching a flange to the end of each pipe and then fastening them together using bolts and nuts. Flanged joints are commonly employed in larger diameter pipes or situations where disassembly is necessary. In addition to mechanical joint fittings and flanged joints, push-on or restrained joint fittings can also be used to connect ductile iron pipes. Push-on joints involve pushing a rubber gasket onto the spigot end of the pipe to create a secure and tight connection. On the other hand, restrained joints incorporate additional features like welded-on collars or mechanical devices to prevent movement and enhance joint strength. The choice of connection method for ductile iron pipes depends on factors such as pipe diameter, pressure requirements, and the specific application. It is crucial to adhere to the manufacturer's guidelines and industry standards to ensure proper installation and reliable performance of the connected pipes.

Q: What is the weight of a typical ductile iron pipe?: The weight of a typical ductile iron pipe can vary depending on its size and wall thickness. Generally, ductile iron pipes are available in sizes ranging from 3 inches to 64 inches in diameter. The weight of these pipes can range from a few pounds per foot for smaller sizes to several hundred pounds per foot for larger diameters. Wall thickness also plays a significant role in determining the weight of the pipe. Thicker walls will result in a heavier pipe. For instance, a 10-inch ductile iron pipe with a wall thickness of 0.25 inches may weigh around 26 pounds per foot, whereas a 24-inch ductile iron pipe with a wall thickness of 0.5 inches can weigh approximately 175 pounds per foot. It is important to consult specific manufacturer specifications or engineering references to determine the precise weight of a particular ductile iron pipe.

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