DUCTILE IRON PIPES AND PIPE FITTINGS C CLASS DN700

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 m.t

Supply Capability:: 30000 m.t/month

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Ductile Iron Pipe On Sale Made In China DN350

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 does ductile iron pipe perform in high-temperature environments?: Due to its unique properties and characteristics, ductile iron pipe performs exceptionally well in high-temperature environments. It is known for its high strength, toughness, and durability, making it suitable for various applications that involve elevated temperatures. One of the main advantages of ductile iron pipe in high-temperature environments is its ability to withstand thermal expansion and contraction. With a low coefficient of thermal expansion, the material can handle significant temperature fluctuations without suffering detrimental effects. This ensures that the pipe remains structurally stable, avoiding deformation or cracking when exposed to high temperatures. Moreover, ductile iron pipe exhibits excellent thermal conductivity, allowing it to efficiently transfer heat. This prevents the accumulation of excessive heat and reduces the risk of thermal stress. Additionally, its high thermal conductivity enables it to dissipate heat quickly, ensuring that the pipe remains within safe operating temperatures. Furthermore, ductile iron pipe has a high melting point of approximately 2200°F (1200°C). This characteristic guarantees that the pipe maintains its structural integrity even in extremely high-temperature environments, making it capable of effectively handling hot fluids, steam, and other substances at elevated temperatures without compromising performance. Another crucial aspect is the corrosion resistance of ductile iron pipe. It is commonly coated with protective linings, such as cement mortar or epoxy, which act as a barrier against corrosion caused by high temperatures. These linings prevent direct contact between the pipe and corrosive substances, thereby ensuring the pipe's longevity in high-temperature environments. In conclusion, ductile iron pipe is an excellent choice for high-temperature environments due to its exceptional strength, thermal stability, thermal conductivity, and corrosion resistance. Its ability to withstand thermal expansion, high melting point, and efficient heat transfer properties make it a reliable and durable option for various applications in such conditions.

Q: Why is the sound speed of nodular cast iron lowered after heat treatment?: This may be the material microstructure changes after heat treatment, is generally the pearlite content increased, the available change heat treatment and then check the corresponding microstructure and corresponding measuring sound velocity adjustment, such as annealing, normalizing etc..

Q: Can ductile iron pipes be used in high-temperature applications?: Yes, ductile iron pipes can be used in high-temperature applications. Ductile iron has excellent heat resistance properties, with a maximum recommended operating temperature of around 450 degrees Fahrenheit. This makes it suitable for a wide range of industrial and commercial applications where high temperatures are involved, including steam, hot water, and thermal oil systems.

Q: How are ductile iron pipes repaired if they get damaged?: There are several methods available for repairing ductile iron pipes, each dependent on the severity of the damage. Below are some commonly used techniques: 1. Spot Repair: When the damage is minimal and localized, a spot repair can be performed. This involves removing the damaged section of the pipe and replacing it with a new one. The new section is typically connected to the existing pipe using mechanical couplings or flanged connections. 2. Pipe Lining: If the damage is more extensive but the pipe remains structurally sound, pipe lining is a suitable option. This method entails inserting a liner into the damaged pipe, creating a new smooth surface. Various materials like epoxy or cured-in-place pipe (CIPP) can be used as liners. The advantage of this technique is that it eliminates the need for excavation and complete replacement of the pipe. 3. Pipe Bursting: In situations where the pipes are severely damaged or deteriorated, pipe bursting may be the most optimal solution. This process involves pulling a new pipe through the damaged one, simultaneously fracturing the old pipe and substituting it with a new one. Pipe bursting is typically employed when the existing pipe is irreparable and necessitates complete replacement. 4. Welding and Patching: In certain cases, small leaks or cracks in ductile iron pipes can be rectified through welding or patching. Welding involves melting and fusing the metal to seal the damaged area. Patching, on the other hand, involves applying a specialized epoxy or composite material over the affected section to create a watertight seal. It is essential to consider factors such as the extent of the damage, accessibility to the pipe, and the proficiency of the repair crew when selecting the appropriate repair method. Regardless of the technique chosen, a thorough assessment, meticulous planning, and skillful execution are necessary to ensure a successful and long-lasting repair.

Q: Can ductile iron pipe be used for desalination plants?: Certainly, desalination plants can utilize ductile iron pipe. Ductile iron, a robust and enduring material, has found extensive application across various industries, notably in water and wastewater treatment facilities. It boasts exceptional resistance against corrosion, remarkable tensile strength, and the ability to withstand external loads and pressures. Consequently, it proves ideal for conveying water and other fluids within desalination plants, where the presence of high salt concentration and other corrosive elements prevails. Furthermore, ductile iron pipes are renowned for their prolonged service life and minimal maintenance demands, rendering them advantageous to desalination plants that operate continuously and necessitate a dependable and efficient piping system.

Q: Can ductile iron pipe be used for irrigation systems?: Yes, ductile iron pipe can be used for irrigation systems. It is a strong and durable material that can withstand the pressures and demands of irrigation applications, making it a suitable choice for transporting water in agricultural settings.

Q: What is the excavation width of ductile iron pipes with diameters greater than 1400?: Then, according to the soil characteristics, different slopes are calculated, and the width of the excavation is calculated according to the depth and slopeIf the soil is soft, high water content and easy to collapse, the excavation width will be wide, otherwise the slope will be steep and the excavation width will be narrow

Q: What is the typical lifespan of ductile iron pipe?: The typical lifespan of ductile iron pipe is around 50 to 100 years, depending on various factors such as the quality of installation, maintenance practices, and environmental conditions.

Q: Can ductile iron pipes be used for submarine pipelines?: Submarine pipelines can indeed utilize ductile iron pipes. Ductile iron, celebrated for its robustness and durability, proves suitable for a range of applications, including those submerged underwater. For decades, ductile iron pipes have been successfully employed in the construction of submarine pipelines. They possess the ability to endure the harsh conditions prevalent in underwater environments, such as corrosion, pressure, and shifting seabeds. Furthermore, ductile iron pipes display exceptional resistance to external loads, rendering them ideal for submarine pipelines that bear the weight of water and potential impacts. However, it remains imperative to consider factors such as coating, cathodic protection, and proper installation techniques to ensure the long-term performance and integrity of the submarine pipeline.

Q: Can ductile iron pipes be used for stormwater drainage systems?: Yes, ductile iron pipes can be used for stormwater drainage systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications including stormwater drainage. These pipes can efficiently handle the high flow rates and heavy loads associated with stormwater runoff, making them a reliable choice for such systems.

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