• DUCTILE  IRON PIPES  AND PIPE FITTINGS C CLASS DN100 System 1
  • DUCTILE  IRON PIPES  AND PIPE FITTINGS C CLASS DN100 System 2
DUCTILE  IRON PIPES  AND PIPE FITTINGS C CLASS DN100

DUCTILE IRON PIPES AND PIPE FITTINGS C CLASS DN100

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
22 pc
Supply Capability:
3000 pc/month

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  • Material : Ductile Cast Iron

  • Size Range : DN 80mm to DN 2000mm

  • Unit Effective Length : 6m or 5.7m

  • Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007

  • Annual capacity : 200,000 tons

  • Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.

  • Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179

  • Special requirements on external coating and internal lining can be applied

  • We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

  • Each pipe is strictly inspected according to related standard to ensure permanently high performance.

  • Easy Installation at site and service free for life

  • Long Service Lifespan

  • Quotation will arrive you within 24hours once we get your inquiry.

  • We guarantee offering you a competitive price.

  • A copy of original inspection reports of pipes will be offered after shipment.

  • Photos of loading process will be sent to the customer after shipment effect.

  • We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

 

Q:How do ductile iron pipes handle ground settlement?
Ductile iron pipes have the ability to withstand ground settlement due to their flexibility and resilience. The inherent ductility of the material allows the pipes to absorb and distribute the stress caused by ground movement, minimizing the risk of damage or failure. Additionally, the joints of ductile iron pipes are designed to provide flexibility, allowing for slight movement and accommodating ground settlement without compromising the integrity of the pipeline system.
Q:What is the expected joint tightness for ductile iron pipes?
Ductile iron pipes are renowned for their exceptional strength and durability, which grants them remarkable resistance against leaks and joint failures. Consequently, the joints in these pipes are meticulously designed to establish a secure and tight connection, effectively minimizing any potential water or fluid loss. In the realm of ductile iron pipes, a variety of joint types are commonly employed. These encompass mechanical joints, restrained joints, and push-on joints. Each of these joint types is uniquely crafted to deliver a reliable seal, effectively averting any leakage. Mechanical joints rely on a combination of a mechanical gland and rubber gaskets to forge an airtight seal. The assembly of these joints necessitates a specific level of torque to ensure proper compression and sealing. On the other hand, restrained joints are specifically tailored to withstand external forces, such as soil movement or pressure, while simultaneously preserving their tightness. To achieve this, these joints often incorporate a mechanical restraint system, such as a key-locking mechanism, thereby preventing joint separation. Meanwhile, push-on joints represent the most straightforward option to install, as they rely on a compressed rubber gasket that effectively seals the pipes when pushed together. These joints are most commonly employed in smaller diameter pipes, where external forces exerted on them are minimal. All in all, ductile iron pipes are expected to exhibit a high level of joint tightness, ensuring consistent and leak-free performance across a wide array of applications, including water distribution, wastewater systems, and industrial piping networks.
Q:Can ductile iron pipes be used for stormwater management systems?
Yes, ductile iron pipes can be used for stormwater management systems. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for handling stormwater runoff. They can effectively transport large volumes of water and withstand the pressure and impact associated with stormwater management.
Q:Why is the cast iron tube lined with cement? Under what circumstances are ductile iron pipes lined with cement, and under what circumstances do not have to be lined with cement?
The cement lining protects the water quality, reduces the head loss and improves the service life of the spheroidal graphite pipe. As long as the water delivery hose is used, the cement lining must be used. There is no lining cement for conveying air.
Q:Do ductile iron pipes require internal linings for potable water?
No, ductile iron pipes do not require internal linings for potable water.
Q:Are ductile iron pipes suitable for use in desalination plants?
Ductile iron pipes are indeed suitable for use in desalination plants. Desalination plants are facilities that remove salt and other impurities from seawater, turning it into fresh water for consumption or industrial use. These plants require a reliable and durable piping system to transport the treated water to various destinations. Ductile iron pipes are known for their strength, flexibility, and corrosion resistance, making them an ideal choice for desalination plants. These pipes are made from a form of cast iron that has been treated with magnesium to enhance its properties. This treatment gives ductile iron pipes a high tensile strength, allowing them to withstand the high pressures associated with the desalination process. Additionally, desalination plants often use chemicals and other treatment methods to remove impurities from the water. Ductile iron pipes have excellent resistance to corrosion from these chemicals and can withstand the harsh conditions found in desalination plants without deteriorating over time. This ensures the longevity and reliability of the piping system, minimizing the risk of leaks or failures. Furthermore, ductile iron pipes have a smooth internal surface, which helps to minimize friction and pressure loss as water flows through the pipes. This feature is especially important in desalination plants, where efficiency is crucial for the overall operation of the facility. The smoothness of ductile iron pipes allows for efficient water flow, reducing energy consumption and optimizing the desalination process. In conclusion, ductile iron pipes are suitable for use in desalination plants due to their strength, flexibility, corrosion resistance, and smooth internal surface. These pipes provide a reliable and durable piping system that can withstand the high pressures, harsh chemicals, and demanding conditions found in desalination plants.
Q:If the ductile iron pipe is broken, can we use rush repair?
These specifications are also based on the outer diameter of the tube. In daily life, we may also encounter a pipeline rupture, or when it is on the road to repair, excavator accidentally hit PE, PPR water supply and drainage pipeline, as long as a little, can be used to repair the pipeline repair section.
Q:How is ductile iron pipe protected against external corrosion?
To ensure the durability and longevity of ductile iron pipe, various methods are employed to protect it from external corrosion. One commonly used method is the application of protective coatings. Typically, a layer of zinc or asphaltic material is applied to the pipe, creating a barrier between the iron and the surrounding environment. This coating prevents direct contact between the pipe and corrosive elements like soil, moisture, and chemicals, thereby reducing the risk of corrosion. Another layer of protection is provided by wrapping the ductile iron pipe with polyethylene or polypropylene tape. This tape acts as a physical barrier, shielding the pipe from moisture and other potentially corrosive substances. Great care is taken during the application process to ensure complete coverage and adherence to the pipe's surface. Cathodic protection is also commonly used to safeguard ductile iron pipes from external corrosion. This technique involves installing sacrificial anodes or impressed current systems near the pipe. These anodes generate a protective electrical current that counteracts the corrosion process, effectively inhibiting the deterioration of the pipe's surface. Proper installation practices also play a crucial role in preventing external corrosion. It is important to bury the pipe at an appropriate depth, ensuring adequate soil coverage. This minimizes exposure to corrosive elements and maintains the integrity of the protective coatings. Additionally, using corrosion-resistant bedding materials and employing proper backfilling techniques can further enhance the pipe's resistance to external corrosion. In conclusion, a combination of protective coatings, tape wrapping, cathodic protection systems, and proper installation practices ensures the protection of ductile iron pipe against external corrosion. These measures work together to provide a strong defense against corrosive forces, ensuring the pipe's reliability and longevity in various 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 or polyethylene.
Q:How is ductile iron different from cast iron?
Ductile iron and cast iron are two types of iron alloys that differ in terms of their composition, properties, and applications. The main difference between ductile iron and cast iron lies in their microstructure and mechanical properties. Ductile iron, also known as nodular cast iron or spheroidal graphite iron, is a type of cast iron that undergoes an additional treatment process to enhance its strength and ductility. This is achieved by adding small amounts of magnesium to the molten iron during the casting process, which results in the formation of graphite nodules throughout the material. These graphite nodules act as stress raisers and prevent the propagation of cracks, making ductile iron more resistant to fractures and providing it with improved ductility compared to cast iron. In contrast, cast iron is a type of iron alloy that contains a higher carbon content than ductile iron. This higher carbon content leads to the formation of graphite flakes within the material, giving cast iron its characteristic brittle nature. Due to its brittleness, cast iron is more prone to cracking and less flexible than ductile iron. However, cast iron has excellent compressive strength and is highly resistant to wear and abrasion, making it suitable for applications where strength and durability are important, such as in engine blocks, pipes, and manhole covers. Another difference between ductile iron and cast iron is their machinability. Ductile iron is generally easier to machine due to its lower carbon content and the presence of graphite nodules, which act as lubricants during the cutting process. On the other hand, the presence of graphite flakes in cast iron can cause tool wear and result in poor surface finish during machining. In summary, ductile iron and cast iron differ in their microstructure, mechanical properties, and applications. Ductile iron offers improved ductility and resistance to fractures, making it suitable for applications requiring flexibility and impact resistance. Cast iron, with its higher carbon content and graphite flakes, provides excellent compressive strength and wear resistance, making it ideal for applications requiring strength and durability.

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