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: Are ductile iron pipes suitable for underground storage tanks?: Ductile iron pipes are indeed suitable for underground storage tanks. Ductile iron is a strong and durable material that is highly resistant to corrosion and can withstand the pressure and weight of being buried underground. These pipes are widely used in various underground applications, including water and sewage systems, as they have excellent tensile strength and can handle both internal and external loads. Moreover, ductile iron pipes have a long service life, often exceeding 100 years, making them a reliable choice for underground storage tanks. They are also resistant to ground movement and can adapt to soil settling or shifting, ensuring the integrity and stability of the storage tank system. Additionally, ductile iron pipes provide excellent flow characteristics due to their smooth internal surface, preventing the accumulation of debris or sediment that could potentially clog the system. This makes them an ideal choice for storing various liquids or substances. Overall, the strength, durability, corrosion resistance, and long service life of ductile iron pipes make them a suitable and reliable option for underground storage tanks.

Q: Are ductile iron pipes suitable for installation in areas with high soil compaction?: Yes, ductile iron pipes are suitable for installation in areas with high soil compaction. Ductile iron pipes are known for their strength and durability, making them highly resistant to external loads and pressures. The material's inherent flexibility allows it to withstand the stresses caused by high soil compaction. Additionally, ductile iron pipes have a high modulus of elasticity, which helps them maintain their shape and structural integrity even under heavy loads. Therefore, they are an excellent choice for areas with high soil compaction, as they can effectively handle the pressure and provide reliable and long-lasting performance.

Q: Do ductile iron pipes require concrete encasement for support?: Concrete encasement is typically necessary for providing support to ductile iron pipes. This encasement offers extra stability and strength, safeguarding the pipes against pressure-induced shifting or collapsing. Furthermore, it aids in evenly distributing the load along the pipe's length and shielding it from external forces like soil movement or heavy vehicular activity. In addition to these benefits, concrete encasement helps reduce the likelihood of corrosion or damage caused by external impacts, thereby ensuring the long-lasting durability of the ductile iron pipes.

Q: How are ductile iron pipes protected against root intrusion?: Ductile iron pipes are protected against root intrusion through various methods and techniques. One commonly used approach is the application of root inhibitors or growth regulators. These chemicals are typically injected into the soil around the pipes, creating a barrier that inhibits root growth near the pipe. This helps prevent roots from penetrating the pipe and causing damage. Another method involves the use of physical barriers such as root barriers or sleeves. These are installed around the pipes to physically block the roots from accessing them. Root barriers are typically made of materials like plastic or metal and are designed to withstand the pressure exerted by growing roots. Additionally, regular maintenance practices such as periodic inspections and cleaning are essential in preventing root intrusion. By monitoring the condition of the pipes and removing any existing root masses, the risk of further root intrusion can be minimized. It is worth noting that preventative measures are more effective than reactive measures when it comes to protecting ductile iron pipes against root intrusion. Therefore, implementing proactive strategies during the installation phase, such as proper pipe bedding and alignment, can help reduce the likelihood of root intrusion in the first place. Overall, a combination of chemical treatments, physical barriers, and appropriate maintenance practices can significantly enhance the protection of ductile iron pipes against root intrusion, ensuring their long-term durability and functionality.

Q: What are the different types of joints used in ductile iron pipes?: Ductile iron pipes commonly utilize various types of joints to achieve secure and leak-proof connections between pipe sections. Here are some of the frequently employed joint types: 1. Push-on joint: This joint type offers easy installation without the need for specialized tools. It entails lubricating the gasket on one pipe end and inserting it into the socket of the adjacent pipe. The gasket ensures a tight seal to prevent any leakage. 2. Mechanical joint: Consisting of a gland and a follower gasket, this joint type involves placing the gland over the spigot end of one pipe and inserting the follower gasket into the bell end of the neighboring pipe. Bolts and nuts are then used to tighten the gland, compressing the gasket and creating a secure joint. 3. Restrained joint: In applications requiring restraint against axial movement or pressure thrust, this joint type is utilized. Typically, it involves a mechanical joint combined with additional components like tie rods, thrust blocks, or restrained couplings to provide the necessary restraint. 4. Flanged joint: Large diameter ductile iron pipes often employ flanged joints. They consist of a flange on one pipe end and a mating flange on the other pipe end. The two flanges are bolted together, establishing a robust and secure connection. Flanged joints enable easy disassembly and reassembly when necessary. 5. Welded joint: Welded joints are created by fusing the ends of two pipes together using heat and pressure. This type of joint ensures a permanent and strong connection. Welded joints are commonly employed in underground or buried applications where long-term durability is a crucial factor. It is essential to consider factors such as pipe diameter, application, and project requirements when selecting the appropriate joint type. Consulting with a professional engineer or referring to the manufacturer's guidelines is recommended to ensure the suitable joint type is chosen for ductile iron pipes.

Q: Are ductile iron pipes resistant to abrasion or wear?: Yes, ductile iron pipes are highly resistant to abrasion or wear. Ductile iron, also known as cast iron, is a strong and durable material that is specifically designed to withstand abrasive conditions. The unique microstructure of ductile iron provides excellent resistance to abrasion, making it an ideal choice for applications where pipelines are exposed to high levels of wear. Additionally, ductile iron pipes are known for their long service life, which further demonstrates their ability to withstand abrasion and wear over time.

Q: Are ductile iron pipes suitable for bridge crossings?: Yes, ductile iron pipes are suitable for bridge crossings. Ductile iron pipes are known for their high strength and durability, making them a reliable choice for various applications, including bridge crossings. These pipes can withstand heavy loads and are resistant to corrosion, which is especially important in bridge crossings where they may be exposed to harsh environmental conditions. Additionally, ductile iron pipes have the ability to flex and withstand ground movement, making them ideal for bridge crossings where the ground may shift or settle over time. Overall, ductile iron pipes offer the necessary characteristics to ensure the safe and efficient transportation of fluids or materials across bridges.

Q: What is the difference between flexible joint mechanism and seismic cast iron pipe DN100 and ductile iron pipe?: The ball compressive strength of ductile iron pipe is much higher than that of cast iron pipes, buried in the ground, the car is not easy to be crushed.

Q: How can stainless steel pipes and ductile iron pipes be joined?: The stainless steel pipe can be used as a socket or socket, so as to be directly connected with the connection mode of the ductile iron pipe

Q: What is the difference between a PE fire hose and a ductile iron pipe?: Galvanized steel pipe: divided into cold galvanized steel pipe, hot galvanized steel pipe, cold galvanized steel pipe has been banned, and the latter is also advocated by the state for the time being. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned. China's Ministry of construction and other four ministries also issued a civilization, indeed from two, 000 years since the galvanized pipe as a water supply pipe, the New District cold water pipe has rarely used galvanized pipe, and some of the hot water pipe is galvanized pipe. Hot dip galvanized steel pipe is widely used in fire, power and highway.

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