DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN350

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN350

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 pc

Supply Capability:: 3000 pc/month

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Ductile Iron Pipe On Sale Made In China DN100

· 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:Can ductile iron pipes be used for underground hydrocarbon pipelines?: Yes, ductile iron pipes can be used for underground hydrocarbon pipelines. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for transporting hydrocarbons underground. However, it is important to consider factors like the specific hydrocarbon being transported, pressure requirements, and regulatory standards before selecting the appropriate material for the pipeline.

Q:How do ductile iron pipes handle ground movement near rivers and lakes?: Ductile iron pipes are well-suited to handle ground movement near rivers and lakes due to their unique properties and construction. These pipes are made from a type of cast iron that is known for its high strength and flexibility, making them highly resistant to ground movement and other external forces. One of the key features of ductile iron pipes is their ability to withstand bending and stretching without breaking. This flexibility allows the pipes to adapt to ground movements, whether they are caused by natural factors like soil settling, erosion, or even seismic activity. The pipes can absorb and distribute the stress caused by ground movement, reducing the risk of cracks or fractures. Additionally, ductile iron pipes have a high impact resistance, which means they can withstand external forces such as pressure from shifting soil or heavy equipment. This makes them less susceptible to damage during ground movements near rivers and lakes where erosion or flooding can occur. Furthermore, ductile iron pipes have a smooth internal surface, which reduces friction and resistance to flow. This ensures efficient water transportation even in areas with ground movement, preventing any potential blockages or disruptions to the water supply system. To enhance their resistance to ground movement, ductile iron pipes are often installed using flexible joints, such as restrained joints or push-on joints, depending on the specific project requirements. These joints allow the pipes to move slightly without causing damage to the overall system, providing additional protection against ground movement near rivers and lakes. In summary, ductile iron pipes are highly capable of handling ground movement near rivers and lakes due to their strength, flexibility, impact resistance, and smooth internal surface. These qualities make them a reliable choice for water transportation systems in areas prone to ground movement, ensuring a durable and efficient infrastructure for the supply of water.

Q:What does ductile iron pipe "ND200" mean?: The nominal pipe diameter and the inner diameter and the outer diameter were not equal, for example: the nominal diameter of 100MM seamless steel pipe 102*5, 108*5 several, 108 for the outer diameter of pipes, 5 said that the wall thickness of the tube, therefore, the pipe diameter (108-5-5 = 98MM), but it is not completely equal to pipe diameter minus two times the wall thickness difference, it can be said that the nominal diameter is close to the diameter, but not equal to the diameter of a pipe diameter specifications on the design drawings, so we use the nominal diameter, the purpose is to determine according to the nominal diameter pipe, flange and gasket structure and size connecting dimensions, nominal diameter is represented by the symbol DN, if the diameter of said in the design drawings, piping specifications should also make the table, show that the nominal diameter of a pipe wall thickness.

Q:Can ductile iron pipes be used in areas with high soil liquefaction potential?: When dealing with areas prone to high soil liquefaction, it is important to take certain precautions and considerations into account when using ductile iron pipes. Ductile iron pipes are known for their strength, durability, and resistance to external loads, making them suitable for various applications, including water and wastewater transportation. One essential aspect to consider is the depth at which the pipes are installed. It is advisable to install ductile iron pipes at a sufficient depth below the ground surface to minimize the effects of soil liquefaction. The appropriate installation depth will depend on factors such as soil conditions and the level of seismic activity in the area. To determine the correct depth, it is essential to consult geotechnical engineers and adhere to local building codes and regulations. In addition, it is crucial to use proper backfill materials and compaction techniques during the installation process. Utilizing granular materials like crushed stone or gravel for backfill can enhance the stability of the soil and reduce the risk of liquefaction. It is also important to ensure adequate compaction of the backfill to maintain the stability of the pipes and prevent settlement or movement during seismic events. Furthermore, when installing ductile iron pipes in areas prone to soil liquefaction, it is recommended to use flexible joints, such as restrained joints or push-on joints. These types of joints allow for some movement and flexibility, which can help absorb the ground's movement during an earthquake. This, in turn, reduces stress on the pipes and minimizes the likelihood of damage. Regular inspection and maintenance of the ductile iron pipes play a critical role in high soil liquefaction potential areas. It is essential to monitor for any signs of movement, settling, or damage and address any necessary repairs or reinforcements promptly. This ensures the continued performance and safety of the pipes. In conclusion, although ductile iron pipes can be used in areas with high soil liquefaction potential, it is necessary to take several measures into consideration. These include determining the appropriate installation depth, using proper backfill materials and compaction techniques, employing flexible joints, and conducting regular inspection and maintenance. Consulting with geotechnical engineers and adhering to local building codes and regulations is strongly recommended to ensure the suitability of the pipes in such areas.

Q:Can ductile iron pipes be used for underground geothermal systems?: Indeed, underground geothermal systems can utilize ductile iron pipes. Renowned for their robustness, endurance, and immunity to corrosion, these pipes are apt for myriad purposes, encompassing underground geothermal systems. They possess the capacity to withstand elevated temperatures and pressures, rendering them optimal for conveying scorching geothermal fluids. Moreover, ductile iron pipes boast a protracted lifespan and the ability to endure the soil shifts and strains inherent in subterranean installations. Consequently, they represent a dependable selection for underground geothermal systems.

Q:How can the ductile iron pipe be welded?: The nickel electrode cold welding, such as Z408

Q:How does ductile iron pipe perform in extreme weather conditions?: Ductile iron pipes are known for their exceptional performance in extreme weather conditions. These pipes exhibit a high level of durability, resistance, and flexibility, making them suitable for withstanding harsh weather conditions such as extreme temperatures, heavy rain, snow, and even earthquakes. One of the key attributes of ductile iron is its ability to resist damage from freezing temperatures. Unlike other materials, ductile iron pipes have a low coefficient of thermal expansion, enabling them to withstand the expansion and contraction that occurs during freeze-thaw cycles without cracking or breaking. This ensures the pipes remain intact and continue to perform optimally even in frigid conditions. Additionally, ductile iron pipes have excellent corrosion resistance, making them highly resilient against the corrosive effects of extreme weather. They are protected by a durable zinc coating, which acts as a barrier against rust and other forms of corrosion. This coating, combined with the inherent strength of ductile iron, makes these pipes highly resistant to the corrosive effects of rain, snow, and moisture. Moreover, ductile iron pipes possess superior flexibility, allowing them to accommodate ground movement and seismic activity. In regions prone to earthquakes or shifting soil, these pipes can absorb the stress and strain without fracturing, ensuring continuous water supply and sewerage services even in the most challenging weather conditions. Overall, ductile iron pipes excel in extreme weather conditions due to their durability, resistance to freezing, corrosion, and flexibility. Their ability to withstand the elements ensures uninterrupted water supply and sewage systems, providing reliability and peace of mind to utilities and communities even in the harshest environments.

Q:The difference between HDPE pipe and ductile iron pipe: Of different uses, ductile iron pipes are widely used for municipal water supply and drainage, rural drinking water and outdoor fire fighting works; mechanism cast iron pipes are mainly used in the city.

Q:Are ductile iron pipes resistant to acid mine drainage corrosion?: Yes, ductile iron pipes are generally resistant to acid mine drainage corrosion. Their high durability, strength, and corrosion resistance make them suitable for transporting water in acidic environments, such as those affected by acid mine drainage.

Q:Can ductile iron pipes be used for geothermal heating and cooling systems?: Yes, ductile iron pipes can be used for geothermal heating and cooling systems. Ductile iron pipes are known for their strength and durability, making them suitable for underground applications like geothermal systems. They can withstand the high temperatures and pressure variations associated with geothermal heating and cooling, making them a reliable choice for this purpose.

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