DUCTILE IRON PIPES AND PIPE FITTINGS K7 DN500

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t

Supply Capability:: 30000 m.t/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: What are the differences between ductile cast iron pipes and centrifugal ductile iron pipes?: Centrifugal casting is a casting method. Ball milling cast iron pipe is a kind of material.

Q: Can ductile iron pipes be used for oil and gas pipelines?: Yes, ductile iron pipes can be used for oil and gas pipelines. Ductile iron is a strong and durable material that is resistant to corrosion, making it suitable for transporting oil and gas over long distances. Additionally, ductile iron pipes have excellent pressure-bearing capabilities, making them capable of withstanding the high pressures often associated with oil and gas transportation. Furthermore, ductile iron pipes are relatively easy to install and maintain, which adds to their suitability for oil and gas pipelines. However, it is important to note that the specific application and conditions of the pipeline must be considered, and consulting with industry experts is recommended to ensure the proper selection and installation of ductile iron pipes for oil and gas transportation.

Q: Are ductile iron pipes suitable for gravity sewer systems?: Yes, ductile iron pipes are suitable for gravity sewer systems. Ductile iron pipes have high strength, durability, and flexibility, making them an excellent choice for underground sewer networks. They can withstand the pressure and weight of the soil above them, making them ideal for gravity flow systems where wastewater flows naturally due to gravity. Additionally, ductile iron pipes have a long lifespan and are resistant to corrosion, making them a reliable and cost-effective solution for gravity sewer systems.

Q: What are the environmental benefits of using ductile iron pipe?: Ductile iron pipe offers several environmental benefits. Firstly, it is made from recycled materials, reducing the need for extracting new resources. Secondly, it has a long lifespan, typically lasting over 100 years, reducing the need for frequent replacements and minimizing waste. Additionally, ductile iron pipes have a low carbon footprint compared to other materials, contributing to lower greenhouse gas emissions. Lastly, these pipes have excellent corrosion resistance, reducing the risk of leaks and contamination of water sources, thus protecting the environment.

Q: What is the expected hydraulic efficiency of ductile iron pipes?: Several factors, including pipe diameter, roughness of the pipe surface, flow rate, and length of the pipe, can affect the expected hydraulic efficiency of ductile iron pipes. However, it is generally acknowledged that ductile iron pipes exhibit exceptional hydraulic efficiency. Ductile iron pipes possess an inner surface that is smooth, thereby reducing frictional losses and facilitating efficient water flow. The smoothness of the pipe surface serves to minimize energy losses caused by turbulence and resistance. Furthermore, ductile iron pipes are engineered to maintain a consistent and uniform internal diameter, which further enhances their hydraulic efficiency. Research has demonstrated that hydraulic efficiencies of ductile iron pipes can range from 85% to 95%. This indicates that a significant portion of the energy inputted into the system is effectively transferred to the water, resulting in minimal losses. It should be noted that the hydraulic efficiency of ductile iron pipes can be influenced by factors like corrosion, scaling, and sediment accumulation over time. Regular maintenance and appropriate cleaning procedures can help preserve the hydraulic efficiency of ductile iron pipes. In summary, ductile iron pipes are widely regarded for their high hydraulic performance and are extensively utilized in water distribution systems due to their ability to convey water with minimal energy losses.

Q: What are the different joint types available for ductile iron pipe?: There are several different joint types available for ductile iron pipe, each with its own advantages and applications. The most common joint types used in ductile iron pipe installations are: 1. Push-on Joint: This joint type is the most widely used and involves a rubber gasket that is placed into a groove on the spigot end of the pipe. The pipe is then pushed into the bell end of the adjoining pipe, creating a watertight seal. Push-on joints are quick and easy to install, making them ideal for applications that require a fast and efficient installation process. 2. Mechanical Joint: This joint type involves the use of a gland and follower gasket that is compressed between the spigot end of one pipe and the bell end of the adjoining pipe. A series of bolts and nuts are used to secure the joint, ensuring a tight and secure connection. Mechanical joints provide a high level of joint integrity and are often used in applications where higher pressures or heavy loads are expected. 3. Flanged Joint: Flanged joints involve the use of flanges on the ends of the pipes, which are then bolted together using gaskets to create a leak-proof connection. Flanged joints are commonly used in applications where the pipe needs to be easily disconnected and reconnected, such as in pump stations or at valve connections. 4. Restrained Joint: Restrained joints are designed to prevent the pipes from separating under high internal pressures or external forces. These joints typically include a mechanical joint with additional restraining devices such as harnesses, rods, or thrust blocks. Restrained joints are commonly used in applications where there is a risk of pipe movement or where stability is critical. It's important to note that the selection of joint type depends on various factors such as the application, operating conditions, and project requirements. Consulting with a professional engineer or pipe manufacturer is recommended to determine the most suitable joint type for a specific ductile iron pipe installation.

Q: Are ductile iron pipes suitable for wastewater systems?: Yes, ductile iron pipes are suitable for wastewater systems. They have high strength, durability, and corrosion resistance, making them ideal for handling the demanding conditions and harsh environment typically found in wastewater systems. Additionally, ductile iron pipes have good joint integrity, which ensures leak-free connections and minimizes maintenance requirements in wastewater applications.

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 of the pipe, the type of joint used, and the specific conditions of the installation. In general, ductile iron pipes are designed to accommodate some degree of deflection at the joints to allow for flexibility and movement. The American Water Works Association (AWWA) provides guidelines for the maximum allowable joint deflection for ductile iron pipes. According to AWWA C151/A21.51, the maximum deflection at the joint should typically not exceed 3 degrees or 1% of the nominal pipe diameter, whichever is greater. It is important to note that joint deflection should be within the specified limits to ensure the structural integrity and performance of the pipeline system. Excessive joint deflection can lead to leaks, failures, and reduced lifespan of the pipes. To determine the exact expected joint deflection for a specific installation, it is best to refer to the manufacturer's specifications and guidelines, as they may vary depending on the pipe size, joint type, and other factors. Consulting with a qualified engineer or contacting the manufacturer directly can provide more accurate information tailored to the specific project requirements.

Q: Can ductile iron pipes be used for underground chemical processing systems?: No, ductile iron pipes are not suitable for underground chemical processing systems as they can corrode and react with certain chemicals, compromising the integrity of the system.

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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