Ductile Iron Pipe of China DN200 EN545 High Quality

Ductile Iron Pipe of China DN200 EN545 High Quality

Ref Price:: $475.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 22 m.t.

Supply Capability:: 200000 m.t./month

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1,Ductile Iron Pipe Description :
1) 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.
2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633
3) we can do third party inspection according to customer's request.
4) Our products have been sold to many international market, such as Middle East and South East Asia and Africa.
2,Main Features of the Ductile Iron Pipe:
•High yield strength
•High tensile Strength
•High corrosion resistance
•Pressure Resistence
•Anti-corrosion
•Installation is convenient
•Satisfy the highest hygienic standards
Length: 6m or cut into 5.6m, 5.7m, 5.8m
Internal Lining: Cement, conform to ISO4179
External coating: Zinc + Bitumen, conform to ISO8179
Rubber: NBR, SBR, EPDM according to ISO4633 / EN681.1
Note: The gaskets, bolts & nuts are supplied respectively as your special requirement
3,Ductile Iron Pipe Images:

Ductile Iron Pipe of china DN3300 High Quality

4. Ductile Iron Pipe Specification:
Processing service: Beveling, Threading, Slotting, Cut-to length, Bends, Quench and Temper, Fabrication, Double-jointing and On-site assistance
Documentary: MTC, material certification,Origin certification, CI or PI,Test Report, export licence, handling order, B/L,insurance policy,shipping instructions, contract, packing list etc.

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

5.FAQ:
We have organized several common questions for our clients，may help you sincerely：
1.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.
2.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: How does ductile iron pipe perform in high-temperature environments?: Ductile iron pipe performs exceptionally well in high-temperature environments due to its unique properties and characteristics. The material is known for its high strength, toughness, and durability, making it suitable for various applications including those involving elevated temperatures. One of the key advantages of ductile iron pipe in high-temperature environments is its ability to withstand thermal expansion and contraction. The material has a low coefficient of thermal expansion, which means it can handle significant temperature fluctuations without experiencing detrimental effects. This property ensures that the pipe remains structurally stable and does not deform or crack when exposed to high temperatures. Additionally, ductile iron pipe has excellent thermal conductivity. This property allows the pipe to efficiently transfer heat, preventing the build-up of excessive heat and reducing the risk of thermal stress. The high thermal conductivity of ductile iron also enables it to dissipate heat quickly, ensuring that the pipe remains within safe operating temperatures. Furthermore, ductile iron pipe has a high melting point, typically around 2200°F (1200°C). This characteristic ensures that the pipe retains its structural integrity even in extremely high-temperature environments. It can effectively handle hot fluids, steam, and other high-temperature substances without compromising its performance. Another crucial aspect is the corrosion resistance of ductile iron pipe. It is commonly coated with protective linings, such as cement mortar or epoxy, which provide an additional layer of defense against corrosion caused by high temperatures. These linings act as a barrier, preventing the pipe from coming into direct contact with corrosive substances and maintaining its longevity in high-temperature environments. In summary, ductile iron pipe is an excellent choice for high-temperature environments due to its exceptional strength, thermal stability, thermal conductivity, and corrosion resistance. Its ability to withstand thermal expansion, its high melting point, and its efficient heat transfer properties make it a reliable and durable option for various applications in such conditions.

Q: Why is the sound speed of nodular cast iron lowered after heat treatment?: This may be the material microstructure changes after heat treatment, is generally the pearlite content increased, the available change heat treatment and then check the corresponding microstructure and corresponding measuring sound velocity adjustment, such as annealing, normalizing etc..

Q: Do ductile iron pipes require special handling during transportation?: Transporting ductile iron pipes requires special handling. While these pipes are known for their strength and durability, improper handling can result in damage. Due to their weight and size, it is crucial to use appropriate lifting and handling equipment. Dropping or impacting the pipes must be avoided to prevent cracks or fractures. Moreover, pipes should be stored and transported securely to prevent rolling or shifting, which could harm the pipe coating and fittings. Additionally, it is advisable to shield the pipes from extreme temperatures or adverse weather conditions during transportation. Adhering to these guidelines and taking necessary precautions will minimize the risk of damage during transportation.

Q: How is ductile iron pipe installed?: The installation of ductile iron pipe can be carried out using two different methods: trenchless technology or the open-cut method. When utilizing trenchless technology, a hole is drilled into the ground, and hydraulic jacks or winches are used to push or pull the ductile iron pipe into the hole. This approach minimizes disruptions to the surrounding environment and reduces the need for extensive excavation. On the other hand, the open-cut method involves excavating a trench to the necessary depth and width for the ductile iron pipe. The trench is then prepared by removing any debris or obstructions and ensuring a stable base. The pipe is subsequently lowered into the trench and aligned correctly with the assistance of laser or surveying equipment. Once the pipe is in place, joints are connected using either a rubber gasket or mechanical joint. The joints are carefully sealed to prevent any leakage. Backfill material is then meticulously placed around the pipe, ensuring proper compaction for stability and support. To avoid excessive settlement, the backfill is applied in layers. After completing the installation, the pipe undergoes testing to ensure its integrity. This may involve hydrostatic testing, where water is filled into the pipe and monitored for any signs of leakage or pressure loss. Overall, the installation of ductile iron pipe necessitates careful planning, excavation, alignment, joint connection, backfilling, and testing. It is crucial to adhere to industry standards and guidelines to achieve a successful and reliable installation that meets the required specifications.

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 pipe be used for underground storage tank systems?: Yes, ductile iron pipe can be used for underground storage tank systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the pressure and load requirements of underground storage systems.

Q: What is the minimum cover requirement for ductile iron pipes?: The minimum cover requirement for ductile iron pipes is typically specified by industry standards and local regulations, but it generally ranges from 2 to 5 feet depending on the pipe diameter and location.

Q: How are ductile iron pipes tested for hydrostatic pressure?: For water and wastewater applications, ductile iron pipes are widely used because of their strength and durability. To guarantee their quality and dependability, these pipes undergo hydrostatic pressure testing. The process of hydrostatic pressure testing involves applying internal pressure on the ductile iron pipes at levels higher than their normal operating pressure. This is done to evaluate their ability to withstand the maximum pressure they may encounter during their service life. To begin the testing, a sample set of pipes is carefully selected from a production batch or shipment. These samples are meticulously prepared by removing any surface coatings or debris that could affect the accuracy of the test results. The prepared samples are then placed in a specially designed test rig or test line. The test rig is equipped with all the necessary connections, valves, and gauges to accurately control and monitor the test conditions. Once the samples are secured in the test rig, water or another suitable test fluid is slowly introduced into the pipes. The pressure is gradually increased to a preset level, typically surpassing the expected operating pressure by a certain factor. This elevated pressure is maintained for a specified duration, usually several hours, to evaluate the structural integrity and leak resistance of the pipes. Throughout the test, the pipes are closely monitored for any signs of leakage, deformation, or failure. Skilled technicians or engineers observe the pressure gauges and visually inspect the pipes for any visible defects or abnormalities. Additionally, automated systems may be used to continuously record and analyze the pressure readings, ensuring accurate data collection. After the specified test duration, the pressure is gradually released, and the pipes are meticulously inspected for any permanent deformation or residual stress. This inspection may involve visual examination, dimensional measurements, or non-destructive testing techniques like ultrasonic testing or magnetic particle inspection. The test results are then assessed against the relevant industry standards or specifications to determine if the pipes comply with safety and performance requirements. If the pipes pass the hydrostatic pressure test, they are considered suitable for their intended application. However, if any issues or failures are identified, further investigation, analysis, or corrective actions may be necessary before the pipes can be approved for use. In conclusion, hydrostatic pressure testing plays a vital role in ensuring the quality and reliability of ductile iron pipes. By subjecting these pipes to rigorous testing procedures, manufacturers can provide customers with pipes that meet the highest standards of safety and performance.

Q: What do ductile iron pipes need to connect with three? Can I contact it directly?: Old craft1. dozen to lead lead; cut into strips, with a file play in the interface2. use expanded cement with asbestos3 use the asphalt