DUCTILE IRON PIPE DN1600

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Payment Terms:: TT OR LC

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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

Q: What is the expected leakage rate for ductile iron pipes?: The expected leakage rate for ductile iron pipes can differ depending on various factors like the pipes' age, condition, and installation approaches, as well as the quality of materials employed. Nevertheless, ductile iron pipes generally have a reputation for being durable and having low leakage rates compared to other pipe materials. Based on industry standards and research studies, well-maintained ductile iron pipes are expected to have a leakage rate as low as 0.1% per year. This implies that, on average, less than 1 liter of water may leak per meter of pipe length annually. However, it is important to note that this is an average value and actual leakage rates can vary. Regular maintenance and inspections are crucial in minimizing leaks and ensuring the longevity of ductile iron pipes. Additionally, proper installation techniques, such as using effective jointing methods and appropriate bedding and backfill materials, can also contribute to reducing leakage rates. To determine the expected leakage rate for specific ductile iron pipe installations, it is recommended to consult industry professionals and adhere to applicable standards and regulations.

Q: What quota can be used for the installation of DN300 ductile iron pipes?: Ductile iron quota, to see what works, such as the use of ductile cast iron bridge, to see the river length, through traffic, perennial water level to determine the ductile iron pipe length, diameter and number;

Q: Can ductile iron pipes be used for irrigation of sports fields?: Yes, ductile iron pipes can be used for irrigation of sports fields. Ductile iron pipes are known for their durability, strength, and corrosion resistance, making them suitable for various applications, including irrigation. They can effectively transport water over long distances and withstand the pressure required for irrigation systems. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and ensuring reliable irrigation for sports fields.

Q: Can ductile iron pipes be used for underground slurry pipelines?: Underground slurry pipelines can utilize ductile iron pipes, as they possess strength, durability, and resistance to corrosion, making them suitable for various applications. Their qualities make them reliable and cost-effective in transporting mixtures of solids and liquids over long distances. Ductile iron pipes can endure the abrasive nature of slurry and the external loads associated with underground installation, owing to their inherent toughness and flexibility. Moreover, they can be easily connected through different methods, ensuring a secure and leak-free pipeline system. Nonetheless, it is crucial to assess the specific properties of the slurry being transported and seek professional advice to determine the suitable pipe specifications and design considerations for the underground slurry pipeline.

Q: How do ductile iron pipes handle ground movement in earthquake-prone areas?: Ductile iron pipes are designed to withstand ground movement in earthquake-prone areas due to their inherent strength and flexibility. The ductile nature of the iron allows the pipes to deform and absorb the seismic energy without breaking or fracturing. This ensures their durability and ability to maintain water supply and drainage systems even during seismic events. Additionally, ductile iron pipes have superior joint integrity, which further enhances their resistance to ground movement and minimizes the risk of leaks or pipe failure.

Q: What are the typical bedding and backfill requirements for ductile iron pipes?: To ensure the correct installation and long-term effectiveness of ductile iron pipes, it is important to adhere to the typical requirements for bedding and backfill. The bedding material should be a granular substance that provides support and evenly distributes the load on the pipe. Suitable materials include sand, gravel, or crushed stone. The bedding material should be placed uniformly and continuously along the bottom of the trench, with a minimum thickness of 6 inches. The width of the bedding layer should be at least 1.5 times the outer diameter of the pipe, or as specified by the pipe manufacturer. Once the bedding is in place, the remaining space around the pipe should be filled with backfill material. This material should also be granular and free from large stones, debris, or organic matter. It should be compacted in 6-inch increments using appropriate compaction equipment. The backfill should be evenly distributed around the pipe, ensuring there are no gaps or voids. Excessive compaction should be avoided to prevent damage or deformation of the pipe. The backfill material should extend at least 12 inches above the top of the pipe. In addition to following the bedding and backfill requirements, it is crucial to adhere to any specific guidelines provided by the pipe manufacturer. These guidelines may include recommendations for specific materials, compaction methods, or additional protective measures. Overall, proper bedding and backfilling of ductile iron pipes are essential for maintaining the structural integrity and preventing damage or failure. By following industry standards and manufacturer specifications, the pipes will perform effectively and last for a long time in various applications.

Q: Are ductile iron pipes suitable for irrigation canal systems?: Yes, ductile iron pipes are suitable for irrigation canal systems. Ductile iron pipes are known for their high strength and durability, making them ideal for withstanding the pressure and load requirements of irrigation canal systems. They have a high resistance to external loads, such as heavy machinery, and can handle the stress caused by soil movement and settlement. Additionally, ductile iron pipes are highly resistant to corrosion and provide a smooth inner surface, which minimizes friction and ensures efficient water flow. This is crucial for irrigation systems as it allows for the effective distribution of water to crops, ensuring optimal growth and yield. Ductile iron pipes also have a long service life, typically exceeding 100 years, which makes them a cost-effective option for irrigation canal systems. Their low maintenance requirements further contribute to their suitability for this application. Overall, ductile iron pipes offer the necessary strength, durability, corrosion resistance, and efficiency required for irrigation canal systems, making them a suitable choice for this purpose.

Q: Can ductile iron pipes be used for water supply in buildings?: Yes, ductile iron pipes can be used for water supply in buildings. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for carrying water in both residential and commercial structures. They have a long lifespan, high pressure rating, and can withstand various environmental conditions, making them a reliable choice for water distribution systems.

Q: How are ductile iron pipes connected or jointed together?: Ductile iron pipes are typically connected or jointed together using various methods such as flanged joints, push-on joints, mechanical joints, or restrained joints. These methods ensure a secure and leak-free connection between the pipes, providing a reliable and durable pipeline system.

Q: Are ductile iron pipes suitable for use in agricultural applications?: Indeed, agricultural applications can benefit from the utilization of ductile iron pipes. Renowned for their remarkable strength and durability, these pipes are well-suited to endure the substantial loads and pressures frequently encountered in agricultural operations. Furthermore, their exceptional resistance to corrosion proves invaluable in agricultural settings where pipes may come into contact with chemicals or fertilizers. Additionally, the long lifespan of ductile iron pipes diminishes the necessity for frequent replacements, thereby minimizing maintenance expenses. In summary, the dependable choice of ductile iron pipes stems from their resilient nature and capacity to meet diverse agricultural demands.

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