Ductile Iron Pipe Comply with ISO2531/EN545/EN598

Ductile Iron Pipe Comply with ISO2531/EN545/EN598

Ref Price:: $500.00 - 700.00 / m

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 1000 m

Supply Capability:: 500000 m/month

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1. Ductile Iron Pipe Description :
It has high strength & hardnes as steel and better corrosin resistance than steerl and grey iron, I ductile iron pipe is the ideal substute for gray cast iron pipe and common steel pipe. In addition, our DI pipes are produced with good straightness, identical wall thickness, high dimension accuracy, smooth surface finished, remarkable mechanical properties and firmly sticking internal & external coating layer as well. Flexible Push-in joint and rubber gasket are used for more convenient installation of pipelines.

2. Ductile Iron Pipe Main Features:
1. ISO 2531 or EN 545 Standard K9 Class, K7 Class and C Class
2. ISO 9001 Certificate
3. ISO 2531 & EN 545 Certificate
4. WRAS Potable Water Certificate for Cemen Internal Lining
5. WRAS EPDM Rubber Gasket or NBR Rubber Gasket
6. DN80mm - DN2600mm
7. Black Bitumen or Blue Epoxy Coating
8. Lengh = 6m or cut into 5.6m, 5.7m, 5.8m

3.Ductile Iron Pipe Images:

Ductile Iron Pipe Comply with ISO2531/EN545/EN598

4.Ductile Iron Pipe Specification:
1) The standard of pipe: ISO2531:1998, K9
2) Effective length: 6m
3) Inner cement line: Portland cement line as per ISO4179
4) Zinc coating: at least 130g/m2 as per ISO8179
5) Bitumen painting: at least 70um as per ISO8179
6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633
7) DN80mm-800mm
8) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas
9) Checked by automatic inspection equipment

5.FAQ:

• Industry experience over 20 years.
• Management Systems-Internal Software
• Finished Product Inventory-More Than 5000 Tons.
• Raw Material inventory -Over 8000 Mertic Tons.
• The most convenient transport and prompt delivery.
• Competitive price with best service .
• High technical production line with top quality products.
• High reputation based on best quality products.

Q:What is the purpose of ductile iron pipes?: The purpose of ductile iron pipes is to provide a strong and durable infrastructure for transporting various fluids, including water, sewage, and industrial materials. Their high tensile strength and flexibility make them ideal for withstanding high-pressure conditions, resisting corrosion, and accommodating ground movements, ensuring efficient and reliable delivery of essential resources.

Q:Are ductile iron pipes suitable for horizontal auger boring installations?: Yes, ductile iron pipes are suitable for horizontal auger boring installations. Ductile iron pipes have excellent strength and durability, making them ideal for underground installations. They can withstand the lateral forces and vibrations involved in auger boring, ensuring a reliable and long-lasting pipeline system.

Q:Can ductile iron pipes be used for water tunnel crossings?: Yes, ductile iron pipes can be used for water tunnel crossings. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them a suitable choice for various applications, including water tunnel crossings. They are capable of withstanding high pressure, external loads, and ground movements, which are often encountered in tunnel crossings. Additionally, ductile iron pipes have a long service life and require minimal maintenance, making them a cost-effective solution for water tunnel crossings.

Q:Can ductile iron pipes be used in nuclear power plants?: Ductile iron pipes are suitable for use in nuclear power plants due to their improved flexibility and strength compared to traditional cast iron pipes. They are known for their durability, resistance to corrosion, and ability to withstand high pressure and temperature conditions. These pipes are a reliable and robust choice for transporting water, coolant, and other fluids in nuclear power plants. However, it is crucial to consider the specific requirements and regulations of each power plant before selecting the pipe material. It is necessary to ensure proper testing, certification, and compliance with nuclear industry standards to guarantee the safe and efficient operation of the power plant.

Q:How do ductile iron pipes handle thermal expansion and contraction?: Ductile iron pipes are known for their excellent ability to handle thermal expansion and contraction. This is mainly due to their unique composition and design which allows them to withstand changes in temperature without experiencing significant damage or deformation. Thermal expansion occurs when a material expands due to an increase in temperature, while thermal contraction refers to the contraction that occurs when a material cools down. Ductile iron pipes can effectively accommodate these changes in temperature by utilizing their inherent flexibility and strength. One of the key factors that enable ductile iron pipes to handle thermal expansion and contraction is their high ductility, which refers to their ability to deform without breaking. This ductility allows the pipes to absorb the expansion and contraction forces without cracking or rupturing. Moreover, the composition of ductile iron pipes includes graphite nodules, which act as microcracks that can absorb stress and prevent the material from fracturing. This unique microstructure enhances the pipes' resistance to thermal expansion and contraction. In addition, ductile iron pipes are often designed with joints that allow for limited movement. These joints, such as mechanical joints or push-on joints, can accommodate the expansion and contraction of the pipes by providing a certain degree of flexibility. This helps to prevent the pipes from becoming overstressed or damaged. Overall, ductile iron pipes are specifically engineered to handle thermal expansion and contraction effectively. Their high ductility, unique microstructure, and joint design make them a durable and reliable choice for applications where temperature variations are expected.

Q:How are ductile iron pipes protected against stray current corrosion?: Ductile iron pipes are protected against stray current corrosion through the implementation of various measures. One common method is the installation of a protective coating, such as an epoxy or zinc coating, on the external surface of the pipes. This coating acts as a barrier, preventing direct contact between the pipe and the surrounding soil or water. Additionally, cathodic protection systems, such as impressed current or sacrificial anode systems, can be employed to further protect the pipes. These systems help to control and redirect stray currents, minimizing their impact on the ductile iron pipes and preventing corrosion.

Q:What is the average cost of ductile iron pipes?: The cost of ductile iron pipes can differ based on factors like diameter, length, and location, resulting in varying averages. Typically, the price range for ductile iron pipes is $30 to $100 per linear foot. To illustrate, a 6-inch diameter ductile iron pipe that is 20 feet long could cost approximately $600 to $2,000. It is crucial to understand that these figures are approximations and subject to alteration due to market conditions, project specifications, and supplier pricing. Thus, it is advisable to consult local suppliers or contractors for precise pricing details regarding specific projects.

Q:How are ductile iron pipes tested for quality assurance?: Ductile iron pipes undergo various testing procedures to ensure their quality and meet industry standards. These quality assurance tests are conducted on both raw materials and finished products to ensure the durability, strength, and overall reliability of ductile iron pipes. One of the initial tests is the chemical analysis of the raw materials used in manufacturing the pipes. This analysis ensures that the composition of the iron, carbon, and other elements is within the specified range, as different compositions can affect the pipe's strength and corrosion resistance. Next, mechanical tests are performed to evaluate the strength and ductility of the pipes. Tensile tests are conducted to determine the ultimate tensile strength, yield strength, and elongation properties of the pipe. This helps in assessing the pipe's ability to withstand external pressure or bending forces. Additionally, impact tests are performed to evaluate the pipe's resistance to sudden loading or impact. This test measures the energy absorbed by the pipe when subjected to a high impact force, ensuring that it can withstand potential accidental impacts during installation or operation. Another critical test is the hydrostatic pressure test, which checks the pipes' ability to withstand internal pressure. In this test, the pipes are filled with water and subjected to a specified pressure for a specific duration. This ensures that the pipes can withstand the expected operating pressure without any leakage or failure. Furthermore, dimensional and visual inspections are conducted to ensure that the pipes meet the required specifications. These inspections include checking the pipe's outer diameter, length, wall thickness, and overall appearance for any defects, such as cracks, voids, or irregularities. Lastly, corrosion resistance tests are performed to assess the pipe's ability to resist corrosion when exposed to different environments or fluids. This helps in determining the expected lifespan of the pipes and their suitability for various applications. Overall, these quality assurance tests play a crucial role in ensuring that ductile iron pipes meet the required standards and provide reliable and long-lasting performance in various infrastructure projects.

Q:What are the typical joint restraint requirements for ductile iron pipes under pressure?: The typical joint restraint requirements for ductile iron pipes under pressure involve the use of mechanical joint restraints or restrained joint systems. These restraints are necessary to prevent the pipes from separating or pulling apart due to the internal pressure exerted on them. One common type of joint restraint is the mechanical joint restraint, which consists of a series of bolts and clamps that securely hold the pipes together. These restraints are typically applied at each joint of the ductile iron pipes to ensure a tight and secure connection. Mechanical joint restraints provide axial restraint, preventing the pipes from separating in the direction of the pipe axis. Another type of joint restraint used for ductile iron pipes is the restrained joint system. This system involves the use of a specially designed joint that provides both axial and angular restraint. The restrained joint system typically consists of a gasket, a restraining gland, and a series of bolts or wedges. The gasket provides a watertight seal, while the restraining gland and bolts/wedges restrain the pipe joints, preventing separation under pressure. The specific joint restraint requirements for ductile iron pipes under pressure may vary depending on the diameter, wall thickness, and operating conditions of the pipes. It is important to consult the manufacturer's guidelines and industry standards to determine the appropriate joint restraint system for a given application. Additionally, proper installation and maintenance of the joint restraints are crucial to ensure their effectiveness and longevity in restraining the pipes.

Q:Are ductile iron pipes suitable for potable water distribution systems?: Yes, ductile iron pipes are suitable for potable water distribution systems. Ductile iron is a type of cast iron that is known for its high strength and durability, making it an excellent choice for conveying drinking water. These pipes are resistant to corrosion, which is essential for maintaining the quality and safety of potable water. Additionally, ductile iron pipes have a smooth interior surface, which helps to minimize the accumulation of sediments and biofilms that can affect water quality. They also have the ability to withstand high pressure and temperature changes, making them suitable for various potable water distribution systems. Overall, ductile iron pipes are a reliable and widely used option for ensuring the delivery of safe and clean drinking water to communities.

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