• Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED System 1
  • Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED System 2
Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED

Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
500 m
Supply Capability:
100000 m/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. We also manufacture ductile iron fittings with fusion bonded epoxy both inside and outside. All the producets are sutible to water pipes fields.We have passed ISO9001,ISO14001,OHSMS18001 certificate.

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
6. Internal Lining: Cement, conform to ISO4179
7. External coating: Zinc + Bitumen, conform to ISO8179
3.Ductile Iron Pipe Images:

Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED

Ductile Iron Pipe Standard:ISO2531 Length: 6M/NEGOTIATED

4.Ductile Iron Pipe  Specification:
Standard: API SPEC 5L  44th eidtion,ASTM A252-98(2007)
Grade:  A53 Grades A/B, ASTM A106 Grades B/C,ASTM A179
             AWWA, C200, ASTM A139, ASTM A120,   API 5L Grade B    
             X42, X52, X56, X60, X65, X70, X80, X100
Weld Alternatives:  LSAW
OD size range: 6.4~44.5mm
Wall thickness:  406.4~1422mm
5.FAQ:
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: Can ductile iron pipes be used for industrial applications?
Yes, ductile iron pipes can be used for industrial applications. Ductile iron is a type of cast iron that has significantly improved mechanical properties, including increased ductility and strength, compared to traditional cast iron. These qualities make ductile iron pipes highly suitable for industrial applications where durability, strength, and resistance to external forces are crucial. Industrial applications often involve high-pressure water or fluid transportation, and ductile iron pipes are designed to withstand such conditions. They have excellent tensile strength, which means they can resist deformation and fractures, making them ideal for handling heavy loads and withstanding significant internal and external pressures. Additionally, ductile iron pipes have excellent corrosion resistance properties, making them highly suitable for industrial applications where exposure to harsh chemicals or corrosive substances is common. Their resistance to corrosion ensures a longer service life and reduces maintenance costs associated with pipe replacement or repairs. Furthermore, ductile iron pipes are known for their versatility and adaptability. They can be easily connected and integrated into existing infrastructure, making them a preferred choice for industrial applications. Their high strength-to-weight ratio allows for easy handling and installation, which is essential in industrial settings. In conclusion, ductile iron pipes are suitable for industrial applications due to their improved mechanical properties, corrosion resistance, and versatility. Their ability to withstand high pressures, resist deformation, and adapt to existing infrastructure make them an excellent choice for various industrial applications.
Q: Are ductile iron pipes suitable for fire protection systems?
Ductile iron pipes are a perfect choice for fire protection systems. Ductile iron, being a robust and durable material, can endure extreme pressure and temperature fluctuations, making it an ideal option for reliable and long-lasting pipes in fire protection systems. Moreover, ductile iron demonstrates exceptional resistance to corrosion, preventing any deterioration of the pipes and ensuring the integrity of the fire protection system over time. Additionally, the high tensile strength of ductile iron provides added safety advantages, as it can withstand the stress and strain that may arise during a fire incident. Consequently, ductile iron pipes are extensively utilized in fire protection systems across various applications, including commercial buildings, industrial facilities, and residential areas.
Q: Are ductile iron pipes suitable for use in acidic environments?
Highly acidic environments are generally unsuitable for the use of ductile iron pipes. While ductile iron is recognized for its strength and durability, it does have limitations in acidic conditions. Over time, acidic environments tend to corrode and deteriorate ductile iron pipes. Corrosion occurs when the acid in the environment reacts with the iron in the pipe, eventually leading to pipe failure. The rate at which corrosion occurs depends on several factors, including the concentration and type of acid, temperature, and duration of exposure. Acidic environments with pH levels below 4 or 5 can significantly accelerate the corrosion process. To address this limitation, alternative materials such as stainless steel or corrosion-resistant alloys like PVC or HDPE pipes are often recommended for use in acidic environments. These materials exhibit superior resistance to corrosion and can withstand the harsh conditions associated with acidic environments. However, it is worth noting that ductile iron pipes may still be suitable for use in mildly acidic conditions or if protective measures are implemented to prevent corrosion. The application of protective coatings or linings to the pipes can help minimize the corrosive effects of acids. Consulting experts or engineers who are knowledgeable about the specific conditions and requirements of the project is crucial in determining the most appropriate material for use in acidic environments.
Q: What are the different methods for anchoring ductile iron pipe?
Depending on the specific application and requirements, there are various methods available for anchoring ductile iron pipe. One method involves the construction of concrete thrust blocks around the pipe at points where there are changes in direction or diameter. These blocks resist the thrust forces from the flowing water and prevent pipe movement. Another option is to install concrete collars or rings at regular intervals along the pipe. These collars provide additional support and prevent lateral movement. They are created by pouring concrete into a pre-made mold surrounding the pipe. Pipe clamps are metal brackets that can be attached to the pipe and anchored to a structure or support system. They come in different sizes and designs, allowing for flexible installation and adjustment as needed. Pipe restraints are specifically designed devices to restrict the movement of ductile iron pipe. Typically, they consist of a metal band or collar tightened around the pipe and attached to a concrete structure or anchoring system. The bell and spigot joint itself can serve as a means of anchoring the pipe. The bell end of one pipe fits over the spigot end of another, creating a tight connection that resists movement. Properly compacted soil surrounding the pipe can also provide some level of anchoring. The soil should be compacted in layers around the pipe to ensure stability and prevent movement. It is important to consider factors such as soil conditions, pipe diameter, operating pressure, and location when selecting the appropriate anchoring method. Consulting industry standards, guidelines, and a qualified engineer is crucial in determining the best anchoring method for a specific ductile iron pipe installation.
Q: Are ductile iron pipes resistant to chemicals or solvents?
Yes, ductile iron pipes are generally resistant to chemicals and solvents. Their strong and durable composition makes them suitable for carrying various substances, including acids, alkalis, and other corrosive materials, without significant degradation or damage. However, it is always recommended to consult specific chemical resistance charts or manufacturers' guidelines to ensure compatibility with specific chemicals or solvents.
Q: Are ductile iron pipes suitable for underground river crossings?
Yes, ductile iron pipes are suitable for underground river crossings. Ductile iron is a strong and durable material that can withstand the external pressures and loads experienced during such crossings. It has excellent tensile strength, impact resistance, and durability, making it ideal for underground applications where the pipes may be subjected to high water pressure, ground movement, or other environmental factors. Additionally, ductile iron pipes have a long service life and are resistant to corrosion, which is important when dealing with water crossings. Their ability to withstand these conditions makes them a reliable choice for underground river crossings.
Q: Can ductile iron pipes be repaired if damaged?
Yes, ductile iron pipes can be repaired if damaged. Various repair methods such as welding, clamping, or using repair couplings can be employed to fix cracks, breaks, or other damages in ductile iron pipes. However, the extent and type of damage will determine the most suitable repair method. It is recommended to consult with professionals or experts in pipe repair to ensure proper and effective repairs.
Q: Are ductile iron pipes suitable for industrial applications?
Yes, ductile iron pipes are highly suitable for industrial applications. Ductile iron is a strong and durable material that possesses excellent mechanical properties, making it ideal for handling high-pressure and heavy-duty applications. The pipes have a high tensile strength and can withstand extreme conditions, including high temperatures and corrosive environments. Furthermore, ductile iron pipes have superior resistance to cracking and fracturing, ensuring a longer lifespan and reduced maintenance costs. They are also highly resistant to external loads, making them suitable for underground installations and industrial settings where they may be subjected to heavy loads or vibrations. Moreover, ductile iron pipes have excellent flow characteristics due to their smooth interior surface, allowing for efficient fluid transportation in industrial systems. They also have good resistance to wear and abrasion, ensuring a consistent flow rate over time. Additionally, ductile iron pipes are versatile and can be used in various industrial applications such as water supply, wastewater treatment, industrial processes, and mining operations. They are available in a wide range of sizes to accommodate different requirements and can be easily connected using various jointing methods. Overall, ductile iron pipes offer the reliability, strength, and longevity required for industrial applications, making them a suitable choice for industries where durability and performance are crucial.
Q: What are the advantages of using ductile iron pipe over HDPE pipe?
Ductile iron pipe offers several advantages over HDPE pipe. Firstly, it has a higher strength and durability, making it suitable for high-pressure and heavy-duty applications. Secondly, it has better resistance to external loads, such as traffic or soil pressure. Additionally, ductile iron pipe has superior fire resistance and is less susceptible to damage from UV rays. Moreover, it has a longer lifespan and requires less maintenance compared to HDPE pipe. Lastly, ductile iron pipe has better flow characteristics, resulting in lower energy consumption for pumping systems.
Q: Is the crankshaft material forged or ductile iron?
Cast iron can not be forged, only steel, malleable iron can not be forged, only the crankshaft is particularly hot, can not meet the strength of the hardening when forging

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