DUCTILE IRON PIPES & FITTINGS K7CLASS DN500

DUCTILE IRON PIPES & FITTINGS K7CLASS DN500

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 33 pc

Supply Capability:: 3000 pc/month

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Specifications

· 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 in areas with high soil acidity?: Ductile iron pipes can be used in areas with high soil acidity, but certain precautions should be taken to ensure their longevity and performance. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, which makes them suitable for various soil conditions, including those with high acidity. However, high soil acidity can still pose a potential risk to ductile iron pipes over time. Acidic soils can accelerate the corrosion process, potentially leading to the degradation of the pipe material. To mitigate this risk, several measures can be implemented: 1. Protective Coatings: Applying protective coatings to the outer surface of the ductile iron pipes can provide an extra layer of defense against soil acidity. These coatings, such as epoxy or polyethylene, act as a barrier, preventing direct contact between the pipe and the corrosive soil. 2. pH Adjustment: Adjusting the pH levels of the soil can help reduce its acidity. This can be done by adding lime or other neutralizing agents to the soil, which will help create a more favorable environment for the ductile iron pipes. 3. Cathodic Protection: Implementing cathodic protection systems can be an effective method to prevent corrosion in ductile iron pipes. This technique involves the use of sacrificial anodes or impressed current systems to create a protective electrical current that counteracts the corrosive effects of the soil. 4. Regular Inspections: Periodic inspections should be conducted to monitor the condition of the ductile iron pipes in areas with high soil acidity. This allows for early detection of any corrosion or degradation, enabling timely repairs or replacements to be carried out. By implementing these measures, ductile iron pipes can be effectively used in areas with high soil acidity, ensuring their long-term performance and minimizing the risks associated with corrosive soils. However, it is always recommended to consult with experts or engineers familiar with local soil conditions and the specific requirements of the project to determine the most suitable materials and protective measures.

Q:Can ductile iron pipes be used for underground water treatment systems?: Indeed, underground water treatment systems can utilize ductile iron pipes. Renowned for their robustness and longevity, these pipes are well-suited for a range of uses, including underground water treatment systems. They possess exceptional resistance to corrosion, rendering them perfect for transporting water through even the harshest subterranean surroundings. Furthermore, ductile iron pipes boast a remarkable load-bearing capacity, enabling them to withstand the immense pressure and weight exerted by the soil above. Additionally, their versatility allows for simple installation and maintenance, making them a sensible option for underground water treatment systems.

Q:What are the disadvantages of using ductile iron pipe?: There are several disadvantages associated with using ductile iron pipe. Firstly, one major drawback is its cost. Ductile iron pipe tends to be more expensive than other types of piping materials such as PVC or even traditional cast iron. This can make it less appealing for projects with strict budget constraints. Secondly, ductile iron pipe is relatively heavy compared to other materials. This makes it more difficult to handle and install, requiring specialized equipment and additional labor. The weight can also make it more susceptible to damage during transport and installation. Another disadvantage is its susceptibility to corrosion. While ductile iron is more resistant to corrosion than traditional cast iron, it is still prone to rust and deterioration over time. This can lead to reduced lifespan and potential leaks or pipe failures. Additionally, ductile iron pipe has limited flexibility and is not as resistant to ground movement or settlement. This can result in cracking or breaking of the pipe, especially in areas with unstable soil conditions or seismic activity. Lastly, ductile iron pipe can have a rough interior surface, which can lead to increased friction and reduced flow capacity. This can result in higher pumping costs and decreased efficiency in fluid transportation. Overall, while ductile iron pipe has its advantages, such as its strength and durability, these disadvantages should be carefully considered when choosing the appropriate piping material for a specific project.

Q:Are ductile iron pipes suitable for bridge crossings?: Yes, ductile iron pipes are suitable for bridge crossings. Ductile iron pipes are known for their high strength and durability, making them a reliable choice for various applications, including bridge crossings. These pipes can withstand heavy loads and are resistant to corrosion, which is especially important in bridge crossings where they may be exposed to harsh environmental conditions. Additionally, ductile iron pipes have the ability to flex and withstand ground movement, making them ideal for bridge crossings where the ground may shift or settle over time. Overall, ductile iron pipes offer the necessary characteristics to ensure the safe and efficient transportation of fluids or materials across bridges.

Q:What are the typical maintenance requirements for ductile iron pipe?: The typical maintenance requirements for ductile iron pipe include regular inspections for signs of corrosion or damage, cleaning and flushing to remove sediment and debris, and occasional repair or replacement of sections that are worn or leaking. Additionally, applying protective coatings or linings can help prolong the lifespan of the pipe and prevent corrosion.

Q:How does ductile iron pipe perform in areas with high seismic activity?: Ductile iron pipe is known for its exceptional strength and durability, which makes it well-suited for areas with high seismic activity. Seismic events, such as earthquakes, can subject pipelines to significant stress and strain, causing them to rupture or fail. However, ductile iron pipe has the ability to withstand these dynamic forces due to its unique material properties. One of the key advantages of ductile iron pipe in seismic areas is its superior flexibility. Unlike rigid materials such as cast iron or steel, ductile iron has a higher degree of elasticity, allowing it to deform and absorb energy during seismic events. This flexibility helps to dissipate the seismic forces, reducing the risk of pipe failure and minimizing damage to the overall pipeline system. Moreover, ductile iron pipe is manufactured with a high level of ductility, meaning it can undergo considerable deformation without fracturing. This property is crucial in seismic zones as it enables the pipe to withstand ground movements and seismic waves without compromising its structural integrity. The ability of ductile iron to absorb and redistribute stress also helps to prevent localized failures, ensuring the overall stability and reliability of the pipeline system. Additionally, ductile iron pipe is highly resistant to corrosion, which is especially important in high seismic areas where the integrity of the pipe may be compromised by ground movement and subsequent water leaks. The corrosion resistance of ductile iron ensures the longevity and reliability of the pipeline system, reducing the risk of leaks or failures during seismic events. In conclusion, ductile iron pipe performs exceptionally well in areas with high seismic activity due to its superior flexibility, high ductility, and corrosion resistance. These properties allow the pipe to withstand the dynamic forces generated during seismic events, providing a reliable and long-lasting solution for transporting fluids and ensuring the safety of communities in earthquake-prone regions.

Q:What is the expected joint deflection of ductile iron pipes?: The expected joint deflection of ductile iron pipes depends on various factors such as the diameter, wall thickness, and type of joint used. However, in general, ductile iron pipes are designed to have a joint deflection capability of up to 5 degrees for restrained joints and up to 10 degrees for flexible joints.

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 saltwater environments?: Ductile iron pipes are generally not considered suitable for use in saltwater environments due to their susceptibility to corrosion. Saltwater is highly corrosive and can accelerate the degradation of ductile iron pipes. While ductile iron pipes offer good strength and durability, they have a higher likelihood of corroding in saltwater compared to other materials like stainless steel or corrosion-resistant alloys. Therefore, it is recommended to use materials specifically designed for saltwater environments to ensure long-term functionality and avoid costly repairs or replacements.

Q:Can ductile iron pipe be used for horizontal directional drilling?: HDD, a trenchless method for installing underground utilities like pipelines, can indeed utilize ductile iron pipe. The choice of ductile iron pipe in HDD projects stems from its remarkable strength, durability, and ability to withstand the strains and stresses associated with directional drilling. It exhibits exceptional resistance to external loads and can endure the bending and pulling forces involved in HDD installations. Nevertheless, it is crucial to consider variables like pipe diameter, wall thickness, and soil conditions when selecting the appropriate pipe for HDD projects. Furthermore, it is imperative to adhere to proper installation techniques and take precautionary measures to ensure the long-term performance and integrity of ductile iron pipe in HDD applications.

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