Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 200000 m.t./month

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1.Ductile Iron Pipe Description :
DI pipe fittings are manufactured according to ISO 2531 or BS EN545 or BS4772 FOR POTABLE WATER ,internal is cement lining or wet epoxy coating;External is zinc plus bitumen or wet epoxy coating.

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
2.Main Features of the Ductile Iron Pipe:
1. Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
2. Standard: ISO 2531, EN545, EN598, ANSI, AWWA
3. Certificate: ISO9001, ISO14001, SGS, NSF, WRAS
4. Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
5. Length: 6m or cut into 5.6m, 5.7m, 5.8m
3.Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531 / EN545 / EN598 K9 DN100

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.

5.FAQ:
1.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.

2.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.

Q:How do ductile iron pipes handle seismic movements?: Ductile iron pipes are designed to withstand seismic movements due to their inherent flexibility and high tensile strength. The material's ductility allows it to bend and deform without fracturing, making it more resistant to stress and strain caused by seismic activity. Additionally, the pipes are typically installed with flexible joints that can absorb and accommodate the movement, further reducing the risk of damage or failure during earthquakes. Overall, ductile iron pipes are a reliable choice for underground infrastructure in seismic-prone areas.

Q:What are the advantages of using ductile iron pipes over other materials?: There are several advantages of using ductile iron pipes over other materials. Firstly, ductile iron pipes have a high tensile strength, which makes them more resistant to pressure and external forces, reducing the risk of cracks or leaks. Secondly, ductile iron pipes have a longer lifespan compared to other materials, as they are highly durable and resistant to corrosion. Additionally, ductile iron pipes have a smooth internal surface, promoting efficient water flow and minimizing the risk of blockages. Lastly, ductile iron pipes are relatively cost-effective and easy to install, making them a preferred choice for various applications in water distribution, sewer systems, and industrial settings.

Q:How are ductile iron pipes protected against external damage?: Ductile iron pipes are protected against external damage through a combination of various protective measures. One common method used is the application of a protective coating on the external surface of the pipe. This coating acts as a barrier, preventing the direct contact of the pipe with corrosive elements in the surrounding environment. The coating can be made of materials such as epoxy, polyurethane, or zinc, which provide excellent resistance against corrosion, abrasion, and chemical attacks. Additionally, ductile iron pipes can be further protected by encasing them in a concrete or cement mortar lining. This lining provides an extra layer of protection, reducing the chances of physical damage due to external impacts or soil movement. The concrete or cement mortar lining also helps to improve the pipe's hydraulic performance by reducing friction and maintaining a smooth flow of water or other fluids. Furthermore, ductile iron pipes are often installed with proper bedding and backfilling techniques. This involves using suitable materials such as sand or gravel to support and stabilize the pipe, minimizing the risk of external damage caused by uneven ground settlement or heavy loads. Adequate compaction of the backfill material is crucial to ensure the long-term integrity and stability of the pipe. Regular inspection and maintenance are also essential for protecting ductile iron pipes against external damage. Periodic inspections can identify any signs of corrosion, coating degradation, or physical damage, allowing for timely repairs or replacement before significant issues arise. Additionally, proper cathodic protection systems can be employed to prevent corrosion by applying an electric current that counteracts the electrochemical reactions occurring on the pipe's surface. In summary, ductile iron pipes are protected against external damage through the application of protective coatings, concrete or cement mortar linings, proper bedding and backfilling techniques, and regular inspections and maintenance. These measures collectively ensure the durability, longevity, and reliable performance of ductile iron pipes in various environments and applications.

Q:Can ductile iron pipes be used for geothermal energy systems?: Yes, ductile iron pipes can be used for geothermal energy systems. Ductile iron is a strong and durable material that can withstand the high temperatures and pressures often associated with geothermal energy systems. Its resistance to corrosion and high tensile strength make it an ideal choice for transporting geothermal fluids. Additionally, ductile iron pipes can be easily joined, allowing for flexibility and adaptability in design and installation. Overall, ductile iron pipes are a reliable and cost-effective option for geothermal energy systems.

Q:Are ductile iron pipes suitable for trenchless pipe bursting methods?: Indeed, ductile iron pipes prove to be an appropriate choice for trenchless pipe bursting techniques. Displaying exceptional strength and durability, ductile iron emerges as a material capable of enduring the formidable forces implicated in the pipe bursting procedure. Its remarkable tensile strength safeguards against the occurrence of cracks or fractures during the bursting process. Moreover, the inner surface of these pipes boasts a smooth texture, which facilitates the efficient flow of fluids such as water. The aforementioned smoothness further diminishes the odds of encountering blockages or accumulation within the pipe. All things considered, ductile iron pipes represent a dependable alternative for trenchless pipe bursting methods.

Q:How can the internal and external walls of ductile iron pipes be protected from corrosion?: The inner wall is not needed and the outer wall is painted

Q:Are ductile iron pipes suitable for bridge piers or abutments?: Ductile iron pipes are indeed appropriate for bridge piers or abutments. This material, known for its strength and durability, is extensively utilized in diverse infrastructure undertakings, such as bridges. It possesses exceptional mechanical characteristics, including remarkable tensile strength and impact resistance, rendering it capable of withstanding substantial loads and external forces. Moreover, ductile iron pipes exhibit high resistance to corrosion and enjoy a lengthy service life, which is crucial for structures like bridge piers or abutments that face harsh environmental conditions. The adaptability and dependability of ductile iron pipes deem them a fitting choice for supporting and fortifying bridge structures, ensuring their safety and longevity.

Q:Can ductile iron pipes be used for high-pressure applications?: Yes, ductile iron pipes can be used for high-pressure applications. Ductile iron has excellent strength and durability, making it suitable for handling high-pressure conditions. Additionally, ductile iron pipes have a higher pressure rating compared to other materials, making them a reliable choice for high-pressure applications.

Q:What is the expected internal lining material for ductile iron pipes?: The expected internal lining material for ductile iron pipes is typically cement mortar lining or polyethylene lining. Cement mortar lining provides a protective coating to the interior surface of the ductile iron pipe, preventing corrosion and extending its lifespan. On the other hand, polyethylene lining is a thermoplastic material that offers resistance to corrosion, abrasion, and chemicals, making it suitable for applications where aggressive substances are present or when the water quality is poor. Both lining materials have their advantages and are commonly used in the industry, depending on the specific requirements and conditions of the project.

Q:What are the typical applications for ductile iron pipes?: Due to their unique properties and advantages, ductile iron pipes are commonly utilized in a wide range of applications. Some of the typical uses for these pipes include the following: 1. Water Supply Systems: Ductile iron pipes are extensively employed in municipal water distribution networks and other water supply systems. They are highly resistant to corrosion and possess remarkable durability. Their ability to withstand high pressure and provide a long service life makes them ideal for transporting potable water. 2. Wastewater and Sewage Systems: Ductile iron pipes are also widely utilized in wastewater and sewage systems. Their strength and resistance to chemical corrosion enable them to effectively transport sewage and other wastewater. These pipes are commonly found in underground sewer lines, sewer force mains, and wastewater treatment plants. 3. Industrial Applications: Ductile iron pipes find applications in various industrial sectors. They are commonly used for transporting different types of fluids, such as chemicals, slurries, and abrasive substances. Their strength, toughness, and resistance to external loads make them suitable for industrial pipelines in power plants, refineries, and mining operations. 4. Irrigation Systems: Ductile iron pipes are frequently employed in irrigation systems for agricultural purposes, landscaping, and golf courses. These pipes can withstand high water pressure and provide a reliable solution for transporting water over long distances. Their corrosion resistance ensures that water quality is maintained, while their durability reduces the need for frequent maintenance. 5. Fire Protection Systems: Ductile iron pipes are widely used in fire protection systems, including sprinkler systems and fire hydrants. Their strength and ability to withstand high pressure make them suitable for quickly delivering water during fire emergencies. Additionally, these pipes are resistant to heat, making them a reliable choice for fire protection applications. In conclusion, ductile iron pipes are versatile and extensively used in various applications, including water supply systems, wastewater and sewage systems, industrial pipelines, irrigation systems, and fire protection systems. Their durability, corrosion resistance, and ability to withstand high pressure make them a preferred choice for these applications.

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