DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN1400

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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 is ductile iron pipe installed?: The installation of ductile iron pipe can be carried out using two different methods: trenchless technology or the open-cut method. When utilizing trenchless technology, a hole is drilled into the ground, and hydraulic jacks or winches are used to push or pull the ductile iron pipe into the hole. This approach minimizes disruptions to the surrounding environment and reduces the need for extensive excavation. On the other hand, the open-cut method involves excavating a trench to the necessary depth and width for the ductile iron pipe. The trench is then prepared by removing any debris or obstructions and ensuring a stable base. The pipe is subsequently lowered into the trench and aligned correctly with the assistance of laser or surveying equipment. Once the pipe is in place, joints are connected using either a rubber gasket or mechanical joint. The joints are carefully sealed to prevent any leakage. Backfill material is then meticulously placed around the pipe, ensuring proper compaction for stability and support. To avoid excessive settlement, the backfill is applied in layers. After completing the installation, the pipe undergoes testing to ensure its integrity. This may involve hydrostatic testing, where water is filled into the pipe and monitored for any signs of leakage or pressure loss. Overall, the installation of ductile iron pipe necessitates careful planning, excavation, alignment, joint connection, backfilling, and testing. It is crucial to adhere to industry standards and guidelines to achieve a successful and reliable installation that meets the required specifications.

Q: DN300 what's the price of the ductile iron pipe / the weight and the price of one meter?: Ductile iron pipe is a kind of cast iron. It is an alloy of iron, carbon and silicon.

Q: What is the expected sound attenuation of ductile iron pipes?: Several factors can affect the expected sound attenuation of ductile iron pipes. Generally, these pipes have good sound attenuation properties due to their dense construction and thick walls. The density of the material helps absorb and dampen sound waves, reducing noise transmission. Additionally, the thickness of the pipe walls adds an extra barrier for sound to pass through, contributing to sound attenuation. However, it's important to consider other factors that can influence the specific sound attenuation of ductile iron pipes. These factors include pipe diameter, wall thickness, installation method, and the surrounding environment. For example, larger diameter pipes may have slightly lower sound attenuation compared to smaller diameter pipes due to their increased surface area. Additionally, variations in wall thickness can affect the sound insulation properties. During installation, the presence of joints or fittings in the pipeline can create points where sound can transmit, reducing sound attenuation. Therefore, it is recommended to use proper installation techniques that minimize the use of joints and fittings to enhance sound attenuation. The surrounding environment also plays a role in sound attenuation. For instance, if the pipes are buried in soil, the composition and density of the soil can affect sound transmission properties. Moreover, the presence of other structures or materials nearby may influence the overall sound attenuation performance. To determine the specific expected sound attenuation of ductile iron pipes for a particular application, it is advisable to consult manufacturer specifications or seek assistance from acoustic engineering professionals. They can consider all relevant factors and conduct specific tests or simulations to provide accurate predictions.

Q: Are ductile iron pipes resistant to chloride-induced corrosion?: Yes, ductile iron pipes are resistant to chloride-induced corrosion. Ductile iron is a type of cast iron that has been treated with magnesium to make it more flexible and resistant to cracking. It has a ferritic microstructure which provides excellent resistance to corrosion caused by chlorides. Chloride-induced corrosion can occur when chloride ions in the water or soil come into contact with the metal surface, leading to the formation of corrosion products such as rust. However, the presence of magnesium in ductile iron forms a protective layer on the surface, preventing the chloride ions from reaching the metal and thus inhibiting corrosion. This makes ductile iron pipes suitable for a wide range of applications, including water supply and sewerage systems, where chloride exposure is common.

Q: What are the different joint types available for ductile iron pipes?: There are several different joint types available for ductile iron pipes. These joints play a crucial role in ensuring the integrity and reliability of the pipeline system. 1. Push-on Joint: This is the most common type of joint used for ductile iron pipes. It involves a rubber gasket that is placed inside the bell end of the pipe, and the spigot end is then pushed into the bell, creating a tight seal. This joint is quick and easy to assemble and provides excellent resistance to soil movement and water pressure. 2. Mechanical Joint: This joint involves a gland and follower that are tightened around the spigot end of the pipe using bolts and nuts. The mechanical joint provides a strong and durable connection and is commonly used for larger diameter pipes or in applications where higher pressure or thrust loads are expected. 3. Flanged Joint: Flanged joints are used when the pipes need to be connected to other components, such as valves or fittings. The ends of the pipes are machined and fitted with flanges that are bolted together using gaskets to create a secure connection. Flanged joints are often used in industrial applications or where frequent disassembly is required. 4. Restrained Joint: Restrained joints are designed to withstand higher thrust forces and prevent the pipe from separating or pulling apart. They typically utilize a combination of mechanical joint components, such as bolts and glands, along with additional restraining elements like welded or bolted-on restraints. These joints are commonly used in high-pressure applications or where the pipeline is subjected to significant external forces. It is important to select the appropriate joint type based on factors such as pipeline design, operating conditions, and installation requirements. Consulting with a knowledgeable engineer or pipe manufacturer can help determine the most suitable joint type for a specific ductile iron pipe application.

Q: Can ductile iron pipes be used in dam or reservoir projects?: Ductile iron pipes are highly suitable for dam or reservoir projects. Their strength, durability, and resistance to corrosion are well-known, making them a preferred choice for a range of applications, such as water distribution and transmission systems. In projects involving dams or reservoirs, where the pipes must endure high pressure and transport large volumes of water, ductile iron pipes are often the top choice. Their exceptional mechanical properties, including impressive tensile strength and impact resistance, guarantee their ability to handle the load and offer a dependable and long-lasting solution. Moreover, ductile iron pipes can easily adapt to various installation methods, including trenchless techniques, making them a versatile option for dam or reservoir projects.

Q: What are the different sizes available for ductile iron pipes?: Ductile iron pipes, also known as DI pipes, are available in a wide range of sizes to suit various applications and requirements. The sizes of ductile iron pipes typically range from DN 80 (3 inches) to DN 2600 (104 inches) in diameter, with various wall thicknesses. For smaller diameters, such as DN 80 to DN 300, ductile iron pipes are commonly available in standard lengths of 5.5 meters or 6 meters. As the diameter increases, the standard lengths may also increase, reaching up to 7 meters or even longer for larger sizes. The commonly used sizes of ductile iron pipes include DN 80, DN 100, DN 150, DN 200, DN 250, DN 300, DN 350, DN 400, DN 450, DN 500, DN 600, DN 700, DN 800, DN 900, DN 1000, DN 1200, DN 1400, DN 1600, DN 1800, DN 2000, DN 2200, DN 2400, DN 2600, and many more. It is important to note that the availability of different sizes may vary depending on the manufacturer and the specific region or country. Additionally, custom sizes can also be manufactured to meet specific project requirements. When selecting the appropriate size of ductile iron pipes, it is crucial to consider factors such as the flow rate, pressure, and intended application to ensure optimal performance and durability. Consulting with industry professionals or referring to relevant standards and guidelines can help in determining the appropriate size for a specific project.

Q: Can ductile iron pipes be used for gravity sewer systems?: Yes, ductile iron pipes can be used for gravity sewer systems. Ductile iron pipes are known for their durability, strength, and resistance to corrosion, making them suitable for various applications including sewer systems. These pipes have excellent tensile strength and can withstand high pressure and heavy loads, making them ideal for gravity sewer systems where wastewater flows by gravity rather than being pumped. Additionally, ductile iron pipes have a long lifespan and require minimal maintenance, making them a cost-effective choice for sewer infrastructure.

Q: How can the ductile iron pipe be welded?: Welding cast iron is mainly in three aspects: carbon control, stress elimination, structural adjustment. You can choose better welding materials, such as WE777 and other imported welding materials. Crack resistance is very good. In addition, the sewing process can be adopted in the structure to increase the stability of the welding effect. You can learn more about WE777 welding applications.

Q: Do ductile iron pipes have inner enamel?: Internal enamel ductile iron pipe is yes, but now there is almost no market (except for special process requirements), in the civil construction market, new materials, new technologies, new technologies can be replaced, there are many.

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