T Type Ductile Iron Pipe DN1500

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Payment Terms:: TT OR LC

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Specification:

1) The standard of pipe: ISO2531:1998, EN545:2006，K9 K8

2) Effective length: 6m/5.7m

3) Inner cement line: Portland cement lineas per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70μm as per ISO8179

6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633

7) DN80-DN1200

8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas

9)Checked by automatic inspection equipment

10) 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

11) 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

12) T type mechanical joint

13) Packing: in bulk or container

PACKING: 1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q: What new technologies are there for the installation of ductile iron pipes?: Because the new flexible interface mechanism of cast iron drainage pipe pipe in the development of China's relatively short history, compared with other drainage pipes, people know little of the present, with some experience of the author in the construction, the application of the performance, characteristics and engineering, to do some simple introduction.

Q: How do ductile iron pipes perform in extreme weather conditions?: Ductile iron pipes have excellent performance in extreme weather conditions. Their high tensile strength and flexibility allow them to withstand freezing temperatures, heavy snow loads, and extreme heat without cracking or breaking. Additionally, their corrosion-resistant properties make them highly durable and reliable in harsh weather environments, ensuring long-term performance and minimal maintenance requirements.

Q: What are the different methods for repairing ductile iron pipe?: There are several methods for repairing ductile iron pipe, including mechanical repair, epoxy repair, and welding. Mechanical repair involves using clamps or couplings to seal leaks or cracks in the pipe. Epoxy repair involves applying an epoxy coating or sealant to the damaged area to prevent further corrosion or leaks. Welding is another method used for repairing ductile iron pipe, where the damaged section is cut out and replaced with a new piece that is welded into place.

Q: Can ductile iron pipes be used for underground compressed air systems?: Yes, ductile iron pipes can be used for underground compressed air systems. Ductile iron is known for its strength and durability, making it suitable for handling high-pressure air. Additionally, ductile iron pipes have good resistance to corrosion and can withstand the underground environment, making them a reliable choice for compressed air systems.

Q: Can ductile iron pipes be used for potable water systems?: Yes, ductile iron pipes can be used for potable water systems. Ductile iron is a type of iron that has been treated with magnesium to increase its strength and flexibility. These pipes are known for their durability, corrosion resistance, and ability to withstand high pressure. They are commonly used in water distribution systems, including for potable water supply. However, it is important to ensure that the ductile iron pipes used for potable water systems meet the necessary standards and regulations set by local authorities, such as NSF/ANSI 61 for drinking water system components. Regular maintenance and periodic testing are also essential to ensure the continued safety and quality of the potable water system.

Q: What is the expected sound attenuation of ductile iron pipes?: The expected sound attenuation of ductile iron pipes can vary depending on several factors. Generally, ductile iron pipes have good sound attenuation properties due to their dense and thick-walled construction. The material's density helps to absorb and dampen sound waves, reducing the transmission of noise. Additionally, the thickness of the pipe walls also contributes to sound attenuation by providing an extra barrier for sound to pass through. However, it is important to note that the specific sound attenuation of ductile iron pipes can be influenced by other factors such as pipe diameter, wall thickness, installation method, and surrounding environment. For example, larger diameter pipes may have slightly lower sound attenuation compared to smaller diameter pipes due to increased surface area. Similarly, variations in wall thickness can affect the sound insulation properties. In terms of installation, the presence of joints or fittings in the pipeline can potentially create sound transmission points, reducing sound attenuation. Therefore, proper installation techniques that minimize the use of joints and fittings can help enhance sound attenuation. Furthermore, the surrounding environment can also impact sound attenuation. For instance, if the pipes are buried in soil, the soil's composition and density can affect the sound transmission properties. Additionally, the presence of other structures or materials in the vicinity may influence the overall sound attenuation performance. To determine the specific expected sound attenuation of ductile iron pipes for a particular application, it is recommended to consult manufacturer specifications or seek assistance from acoustic engineering professionals who can take into account all relevant factors and conduct specific tests or simulations to provide accurate predictions.

Q: There are several forms of flexible interfaces for Spigot Cast Iron Pipes: Japan's Kubota ductile mechanical interface, in recent years has been introduced to China. As in the Beijing water pipeline construction from the Miyun reservoir to the Huairou reservoir, the use of a large number of nodular type DN2600mmK mechanical interface of cast iron pipe.The mechanical interface of ductile iron pipe is divided into A and K. The tubes and fittings are made of ductile iron, straight pipes, screws, bolts and rubber rings.The mechanical interface has good sealing performance. When the water pressure reaches 2MPa in the test, there is no leakage. The axial displacement and the angle of folding all reach a high level, but the cost is higher.

Q: How do ductile iron pipes perform in earthquake-induced ground movements?: Ductile iron pipes have proven to be a reliable and resilient choice for underground infrastructure, including in areas prone to earthquake-induced ground movements. The unique properties of ductile iron, such as its strength and flexibility, allow it to withstand the effects of ground movements during an earthquake. During an earthquake, the ground experiences shaking and shifting, which can exert significant forces on underground pipes. Ductile iron pipes have the ability to flex under these forces, absorbing the energy and reducing the risk of failure. They can withstand substantial ground movements without cracking or breaking, which ensures the continued flow of water or other fluids. In addition, ductile iron pipes have excellent resistance to corrosion and are highly durable, making them suitable for long-term use in earthquake-prone areas. This reduces the need for frequent maintenance or replacement, providing cost-effective and reliable infrastructure solutions. Furthermore, the joints used in ductile iron pipe installations are designed to accommodate movement and allow for slight adjustments during ground shifts. This flexibility prevents the pipes from becoming dislodged or separated, maintaining the integrity of the system. Overall, ductile iron pipes have a proven track record of performance in earthquake-induced ground movements. They offer resilience, flexibility, and durability, ensuring the continuous functioning of water and sewer systems even in areas prone to seismic activity.

Q: What are the different lining materials available for ductile iron pipe?: There are several different lining materials available for ductile iron pipes. These linings are used to protect the pipe from corrosion and extend its lifespan. Some common lining materials include: 1. Cement Mortar Lining: This lining consists of a layer of cement mortar applied to the interior surface of the pipe. It provides a smooth and durable barrier against corrosion and is commonly used in water and wastewater applications. 2. Polyethylene Encasement: Polyethylene encasement involves wrapping the pipe with a layer of polyethylene film. This lining provides excellent corrosion protection and is often used in aggressive soil conditions. 3. Polyurethane Lining: Polyurethane lining is a spray-applied material that forms a seamless and flexible barrier inside the pipe. It offers superior resistance to chemicals and abrasion, making it suitable for applications involving aggressive fluids. 4. Epoxy Lining: Epoxy lining is a popular choice for lining ductile iron pipes, as it provides excellent resistance to corrosion and chemicals. It is typically applied as a liquid coating that cures to form a smooth and protective layer. 5. Zinc Coating: Zinc coating, also known as galvanizing, involves applying a layer of zinc to the exterior surface of the pipe. This lining provides corrosion resistance and is commonly used in outdoor and exposed applications. These lining materials offer different advantages and are chosen based on the specific needs of the application. Factors such as the type of fluid being transported, environmental conditions, and expected service life are considered when selecting the most suitable lining material for ductile iron pipes.

Q: Can ductile iron pipes be used for underground hydropower systems?: Yes, ductile iron pipes can be used for underground hydropower systems. Ductile iron is known for its strength, durability, and corrosion resistance, making it suitable for underground applications where water and soil conditions may vary. Additionally, ductile iron pipes have the ability to withstand high pressure and can handle the weight of the surrounding soil, making them a reliable choice for underground hydropower systems.

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