• DUCTILE IRON PIPE DN125 K8 System 1
  • DUCTILE IRON PIPE DN125 K8 System 2
  • DUCTILE IRON PIPE DN125 K8 System 3
  • DUCTILE IRON PIPE DN125 K8 System 4
DUCTILE IRON PIPE DN125 K8

DUCTILE IRON PIPE DN125 K8

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
-

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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) Produced by Hangzhou chunfeng machine

10) Checked by automatic inspection equipment

11) Composition:

Chemical composition

Chemical composition

Ductile Cast Iron Pipe (%)

Grey iron pipe (%)

Steel pipe (%)

C

3.5-4.0

3.2-3.8

0.1-0.2

Si

1.9-2.6

1.4-2.2

0.15-0.4

Mn

0.15-0.45

0.4-0.6

0.3-0.6

P

≤0.06

≤0.3

0.02-0.03

S

≤0.02

≤0.1

0.02-0.03

Mg

0.03-0.06

12) Feature:

Mechanical properties

Ductile Cast Iron Pipe

Grey Iron Pipe

Steel Pipe

Tensile Strength(Mpa)

≥420

150-260

≥400

Yield Strength(Mpa)

≥300

No Confirmation

No Confirmation

Bending Strength(Mpa)

≥590

200-360

≥400

Elongation (%)

≥10

Neglected

≥18

Brinell Hardness(HBS)

≤230

≤230

About 140

13) T type mechanical joint

14) Packing: in bulk or container

15) Additional : Ductile iron pipe fittings accoding t ISO2531/EN545/EN598

                      Gate valve according to DIN standard, BS Standard

                       Other accessories related to Water field

 

 

 

Q:Can ductile iron pipe be used for oil and gas transmission pipelines?
Yes, ductile iron pipe can be used for oil and gas transmission pipelines. Ductile iron pipe has many advantageous properties that make it suitable for such applications. It has a high tensile strength, which allows it to withstand the high pressures and stresses involved in oil and gas transmission. Additionally, ductile iron pipe has excellent corrosion resistance, making it highly resistant to the corrosive nature of oil and gas. This resistance is further enhanced by the use of protective coatings on the pipe's exterior. Ductile iron pipe is also known for its durability and longevity, ensuring the reliability and longevity of oil and gas transmission pipelines. Overall, the properties of ductile iron pipe make it a reliable and cost-effective option for use in oil and gas transmission pipelines.
Q:Can ductile iron pipe be used for water well applications?
Yes, ductile iron pipe can be used for water well applications. Ductile iron has excellent strength, durability, and corrosion resistance, making it suitable for transporting water in various applications, including water well systems.
Q:Are ductile iron pipes suitable for use in brewery facilities?
Yes, ductile iron pipes are suitable for use in brewery facilities. Ductile iron pipes are durable, corrosion-resistant, and can withstand high-pressure applications, making them ideal for transporting water, steam, and other fluids within brewery facilities. Additionally, the smooth interior surface of ductile iron pipes minimizes friction and prevents the build-up of sediments or organic materials, ensuring the purity and quality of the beer being produced.
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 preventive measures and protective coatings. Stray current corrosion occurs when an electric current passes through the pipe, leading to accelerated corrosion and potential damage. To prevent this, the following measures are typically adopted: 1. Electrical isolation: Ductile iron pipes are electrically isolated from other metallic structures using insulating materials, such as rubber gaskets or non-conductive coatings. This isolation prevents the flow of stray current through the pipe, minimizing the risk of corrosion. 2. Cathodic protection: Cathodic protection is a widely used technique to protect ductile iron pipes from stray current corrosion. It involves the installation of sacrificial anodes or impressed current systems near the pipe. These anodes or systems release a controlled electric current, which counteracts the stray current and ensures that the iron pipe remains cathodically protected. 3. Coatings: Ductile iron pipes are typically coated with protective layers to enhance their resistance against corrosion. One common coating is a fusion-bonded epoxy (FBE) coating, which provides a high level of protection against stray current corrosion. FBE coatings act as a barrier, preventing the electrical contact between the pipe and the surrounding environment. 4. Monitoring and maintenance: Regular monitoring and maintenance are essential to ensure the ongoing protection of ductile iron pipes against stray current corrosion. This involves inspecting the protective coatings for any damage or degradation and promptly repairing or replacing them as needed. Additionally, monitoring systems can be installed to detect and measure stray currents, allowing for timely intervention if necessary. By implementing these protection measures, ductile iron pipes can effectively guard against stray current corrosion, prolonging their lifespan and ensuring the integrity of the pipeline infrastructure.
Q:Do ductile iron pipes require internal lining for potable water applications?
Yes, ductile iron pipes do require internal lining for potable water applications. This is because the iron used in these pipes can react with the water and potentially contaminate it. Internal lining acts as a barrier between the water and the iron, preventing any chemical reactions and ensuring the water remains safe for consumption.
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:What are the different types of fittings available for ductile iron pipe?
There are several different types of fittings available for ductile iron pipe. These fittings are designed to connect, redirect, or branch off the pipe in various configurations to suit different plumbing or piping systems. One common type of fitting is the flanged fitting, which features a flange or lip on one end that allows for easy bolted connection to another flanged component. Flanged fittings are commonly used in applications where a tight seal is required, such as in water or sewage systems. Another type of fitting is the mechanical joint fitting, which utilizes a gasket and a set of mechanical bolts to create a secure connection between two pieces of pipe. Mechanical joint fittings are often used in underground water or sewer systems. Push-on fittings are another popular option for ductile iron pipe. These fittings have a rubber gasket that is compressed onto the pipe, creating a watertight seal. Push-on fittings are quick and easy to install, making them ideal for applications where speed and efficiency are important. For situations where a change in direction is required, ductile iron pipe fittings such as elbows or bends are used. These fittings are designed to smoothly change the direction of the pipe without causing any significant flow restrictions. Additionally, there are saddle fittings available for ductile iron pipe. These fittings are used to create a branch connection on an existing pipeline without the need for cutting or welding. Saddle fittings are commonly used in irrigation or fire protection systems. Overall, the different types of fittings available for ductile iron pipe provide a range of options to meet the specific needs of different plumbing or piping systems. Whether it's flanged fittings for a tight seal, mechanical joint fittings for underground applications, push-on fittings for quick installation, or specialized fittings like elbows or saddle fittings, each type serves a specific purpose in the overall plumbing or piping system.
Q:Can ductile iron pipes be repaired if damaged?
Yes, ductile iron pipes can be repaired if they are damaged. The repair process involves several steps. Firstly, the damaged section of the pipe needs to be identified and isolated. Once that is done, the damaged portion of the pipe is typically cut out and removed. A new section of pipe is then inserted and connected to the existing pipeline using appropriate methods such as welding or mechanical jointing. The repaired section is then tested to ensure its integrity and functionality. It is worth noting that the repair process may vary depending on the extent and nature of the damage, and it is always recommended to consult with professionals who specialize in ductile iron pipe repairs to ensure proper and effective restoration.
Q:What is the expected sound attenuation of ductile iron pipes?
Several factors can affect the expected sound attenuation of ductile iron pipes. Generally, these pipes have good sound attenuation properties due to their dense construction and thick walls. The density of the material helps absorb and dampen sound waves, reducing noise transmission. Additionally, the thickness of the pipe walls adds an extra barrier for sound to pass through, contributing to sound attenuation. However, it's important to consider other factors that can influence the specific sound attenuation of ductile iron pipes. These factors include pipe diameter, wall thickness, installation method, and the surrounding environment. For example, larger diameter pipes may have slightly lower sound attenuation compared to smaller diameter pipes due to their increased surface area. Additionally, variations in wall thickness can affect the sound insulation properties. During installation, the presence of joints or fittings in the pipeline can create points where sound can transmit, reducing sound attenuation. Therefore, it is recommended to use proper installation techniques that minimize the use of joints and fittings to enhance sound attenuation. The surrounding environment also plays a role in sound attenuation. For instance, if the pipes are buried in soil, the composition and density of the soil can affect sound transmission properties. Moreover, the presence of other structures or materials nearby may influence the overall sound attenuation performance. To determine the specific expected sound attenuation of ductile iron pipes for a particular application, it is advisable to consult manufacturer specifications or seek assistance from acoustic engineering professionals. They can consider all relevant factors and conduct specific tests or simulations to provide accurate predictions.
Q:What is the process of fusion bonding for ductile iron pipes?
Ductile iron pipes are joined together through the fusion bonding process, which involves applying heat and pressure to create a strong and long-lasting bond. This technique is commonly used in the construction and installation of underground water, sewer, and gas pipelines. To start the fusion bonding process, the surfaces of the pipes are thoroughly cleaned and prepared. This includes removing any dirt, debris, or rust that could hinder proper bonding. Specialized tools and techniques, such as wire brushing or sandblasting, are often utilized to ensure a clean and smooth surface. Once the surfaces are prepared, the pipes are aligned and securely clamped together. A fusion bonding machine, also known as a fusion welder, is then employed to apply heat and pressure to the joint. The fusion bonding machine consists of heating elements positioned around the joint and a hydraulic system that applies the necessary pressure. The heating elements, typically powered by electricity or gas, are designed to reach high temperatures capable of melting the ductile iron material. As the heat is applied, the ductile iron surfaces soften and fuse together, creating a strong bond. The pressure from the fusion bonding machine ensures that the molten iron flows evenly and uniformly between the joint surfaces, resulting in a seamless connection. The duration of the fusion bonding process varies depending on the size and thickness of the pipes and the specific project requirements. Once the fusion bonding is complete, the joint is allowed to cool and solidify, forming a permanent and leak-proof connection. Fusion bonding offers numerous advantages for ductile iron pipes. It provides a reliable and durable joint that can withstand high pressure, temperature variations, and external loads. The seamless connection also minimizes the risk of leaks, which is particularly important for underground pipelines that transport water, sewage, or gas. Overall, fusion bonding is a widely utilized technique for joining ductile iron pipes, ensuring their structural integrity and longevity in various infrastructure projects.

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