Ductile Iron Pipe EN545/EN598 DN500-DN800

Ductile Iron Pipe EN545/EN598 DN500-DN800

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 1000 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.
2.Main Features of the Ductile Iron Pipe:
1).Quality guarantee
• Chemical checking
• NDE after rough machining
• Mechanical testing after heat treatment
• Final NDE,dimension inspected
2).Packing and Shipping
• standard export package(carton/wooden case/pallet)
• accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent

3.Ductile Iron Pipe Images:

Ductile Iron Pipe EN545/EN598 DN500-DN800

4.Ductile Iron Pipe Specification:

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.
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:What is the expected joint restraint method for ductile iron pipes?: Typically, when it comes to joint restraint methods for ductile iron pipes, the two commonly used options are mechanical joints or push-on joints. Both of these joint types are reliable and prevent leaks, ensuring the stability and integrity of the pipeline system. Mechanical joints involve the use of rubber gaskets and bolts to tightly seal the joints, while push-on joints rely on a groove and rubber gasket system to create a watertight seal. Both methods have excellent joint restraint capabilities and allow for the smooth transmission of fluids or gases through the pipeline without any risk of joint separation or failure. Moreover, these joint restraint methods also make installation and maintenance easier, which is why they are often preferred for ductile iron pipe systems.

Q:What are the advantages and disadvantages of spheroidal graphite cast iron?: Compared with cast iron, ductile iron has an absolute advantage in strength. The tensile strength of ductile iron is 60K, while the tensile strength of cast iron is only 31k. The yield strength of ductile iron is 40K, while the cast iron does not show yield strength, and eventually breaks. The strength to cost ratio of ductile iron is far superior to that of cast iron.

Q:Can ductile iron pipes be used for wastewater reuse projects?: Ductile iron pipes are suitable for wastewater reuse projects due to their various properties. Firstly, they possess high strength and durability, enabling them to withstand the pressure and load requirements of wastewater systems. Additionally, they exhibit outstanding corrosion resistance, a crucial factor in wastewater applications where the presence of chemicals and corrosive substances is common. Moreover, the smooth internal lining of ductile iron pipes reduces friction and enhances the flow of wastewater. This is essential for efficient transportation and distribution of wastewater in reuse projects. Furthermore, ductile iron pipes are renowned for their ease of installation and maintenance. They can be effortlessly connected using various joint options, facilitating quick and efficient installation. Additionally, their long service life reduces the necessity for frequent replacements and minimizes maintenance costs. In conclusion, the properties of ductile iron pipes make them a suitable option for wastewater reuse projects, providing strength, durability, corrosion resistance, smooth flow, and ease of installation and maintenance.

Q:Water supply pipe is ductile iron, then it's fittings and valves and other parts must be ductile iron?: Valve parts and materials do not require the same pipe material, as long as it can meet the use requirements and cost-effective.

Q:Does centrifugal cast iron pipe work well with lining cement? Will it scale and breed bacteria?: Poor hydraulic performance and high energy consumption. The roughness coefficient of the prestressed reinforced concrete pipe is between 0.013 - 0.014, so that the pipeline resistance of the pipeline with the same pipe diameter is higher than that of the same water content. Because of its high roughness, after a period of use, the pipeline will be blocked by bacteria, shellfish breeding and reproduction. As the service life increases, the inner diameter of the pipe will gradually shrink and the resistance will increase.

Q:What are the different methods for testing ductile iron pipe?: There are several methods available for testing ductile iron pipe to ensure its quality and reliability. These methods include: 1. Hydrostatic Testing: This is the most common method used for testing ductile iron pipe. It involves filling the pipe with water and pressurizing it to a specified level. The pipe is then inspected for any leaks or deformations under the applied pressure. Hydrostatic testing helps determine the pipe's ability to withstand internal pressure without failure. 2. Tensile Testing: This method involves subjecting a sample of the ductile iron pipe to a gradually increasing tensile load until it fractures. The test measures the ultimate tensile strength, yield strength, and elongation of the material. Tensile testing helps evaluate the pipe's mechanical properties and its ability to withstand tension without breaking. 3. Hardness Testing: This method measures the hardness of the ductile iron pipe using various techniques such as Brinell, Rockwell, or Vickers hardness tests. Hardness testing provides information about the material's resistance to deformation, wear, and fatigue. It helps assess the pipe's durability and resistance to external forces. 4. Impact Testing: This method involves striking a notched sample of the ductile iron pipe with a pendulum or falling weight to measure its impact resistance. The test determines the material's ability to absorb energy during sudden loading or impact. Impact testing helps evaluate the pipe's ability to withstand accidental impacts or dynamic loads. 5. Ultrasonic Testing: This non-destructive testing method uses high-frequency sound waves to detect internal defects or discontinuities in the ductile iron pipe. Ultrasonic testing can identify voids, cracks, or inclusions that may affect the pipe's structural integrity. It helps ensure the pipe's soundness and reliability. 6. Magnetic Particle Testing: This method is primarily used for detecting surface or near-surface defects in the ductile iron pipe. It involves applying a magnetic field to the pipe and then applying magnetic particles to the surface. Any defects present will cause the magnetic particles to gather and form visible indications. Magnetic particle testing helps identify surface cracks, laps, or other defects that may affect the pipe's performance. These different testing methods help ensure that ductile iron pipe meets industry standards and specifications, ensuring its quality and reliability in various applications.

Q:Can ductile iron pipes be used for hydropower projects?: Yes, ductile iron pipes can be used for hydropower projects. Ductile iron is known for its strength, durability, and resistance to corrosion, which makes it suitable for various applications including hydropower projects. These pipes can effectively handle the high pressure and flow required for hydropower generation, making them a reliable choice for this purpose.

Q:How does ductile iron pipe perform in extreme weather conditions?: Ductile iron pipes are renowned for their exceptional performance in adverse weather conditions. These pipes demonstrate remarkable durability, resistance, and flexibility, making them suitable for enduring harsh weather such as extreme temperatures, heavy rainfall, snowfall, and even earthquakes. One of the notable characteristics of ductile iron is its capacity to withstand damage caused by freezing temperatures. Unlike other materials, ductile iron pipes possess a low coefficient of thermal expansion, enabling them to resist the expansion and contraction that occurs during freeze-thaw cycles without experiencing cracks or breaks. Consequently, these pipes remain intact and continue to function optimally even in extremely cold conditions. Furthermore, ductile iron pipes exhibit excellent resistance to corrosion, rendering them highly resilient to the corrosive effects of severe weather. They are shielded by a sturdy zinc coating, which acts as a barrier against rust and other forms of corrosion. This coating, in conjunction with the inherent strength of ductile iron, grants these pipes exceptional resistance to the corrosive effects of rain, snow, and moisture. Moreover, ductile iron pipes possess superior flexibility, allowing them to accommodate ground movement and seismic activity. In areas prone to earthquakes or soil shifting, these pipes can absorb stress and strain without fracturing, guaranteeing a continuous supply of water and sewage services even in the most challenging weather conditions. Overall, ductile iron pipes excel in extreme weather conditions due to their durability, resistance to freezing, corrosion, and flexibility. Their ability to withstand the elements ensures an uninterrupted supply of water and sewage systems, providing reliability and peace of mind to utility providers and communities, even in the most unforgiving environments.

Q:How does ductile iron pipe perform in sandy or unstable soils?: Ductile iron pipe performs well in sandy or unstable soils due to its inherent strength, durability, and flexibility. Its high tensile strength and resistance to deformation make it capable of withstanding the pressure exerted by the surrounding soil. Additionally, the material's ability to flex and absorb ground movements helps to minimize the risk of pipe failure or damage in unstable soil conditions. Overall, ductile iron pipe provides a reliable and long-lasting solution for transporting fluids in challenging soil environments.

Q:What is the typical wall thickness of ductile iron pipes?: The wall thickness of ductile iron pipes can vary depending on their size and intended use, with a typical range of 0.25 inches (6.35 mm) to 0.5 inches (12.7 mm). However, when dealing with larger diameter pipes or those meant for high-pressure applications, the wall thickness may exceed these measurements. To determine the suitable wall thickness for a ductile iron pipe, it is crucial to refer to industry standards and project specifications.

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