DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN100

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN100

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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:Will nodular cast iron pipes rust?: Although the wall has a long flow of water, but oxygen scarce, compared with the outer wall is not easy to corrosion, but there is cement lining is necessary.

Q:Are ductile iron pipes resistant to alkaline attacks?: Generally, ductile iron pipes have resistance against alkaline attacks. Ductile iron is renowned for its durability and ability to resist corrosion, making it suitable for a range of applications, including water and wastewater systems. Certain metals can experience corrosion from alkaline substances, such as high pH levels in water or chemicals. However, ductile iron has been specially engineered to withstand these conditions. Its composition, which includes the addition of alloying elements like nickel and chromium, enhances its resistance to alkaline attacks. Moreover, ductile iron pipes are frequently coated with protective substances like cement mortar or polyethylene, which further increase their resistance against alkaline substances. Nevertheless, it is important to consider that the specific resistance of ductile iron pipes to alkaline attacks can be influenced by various factors, such as the concentration and duration of exposure to alkaline substances, as well as the presence of other corrosive agents. Therefore, it is always advisable to consult with manufacturers or industry experts to ensure the appropriateness of ductile iron pipes for specific alkaline environments.

Q:What is the expected external coating for ductile iron pipes?: The expected external coating for ductile iron pipes is typically a protective layer that is applied to the exterior surface of the pipe to prevent corrosion and extend its lifespan. Some common types of external coatings for ductile iron pipes include polyethylene, polyurethane, and epoxy coatings. These coatings provide a barrier between the pipe and the surrounding environment, preventing the pipe from coming into contact with corrosive substances such as soil, water, and chemicals. The choice of coating depends on factors such as the intended application, soil conditions, and the level of corrosion protection required. Overall, the expected external coating for ductile iron pipes is designed to ensure the longevity and durability of the pipes in various environmental conditions.

Q:What is the K9 standard pressure for ductile iron pipes?: The annealed ductile iron pipe is composed of ferrite and pearlite. The mechanical properties of the ductile iron pipe are better. Ductile iron pipes mainly called centrifugal ductile iron pipe, it has the properties of nature, iron and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc.. Water supply pipe is the first choice, with high cost performance. Compared with the PE pipe, from the installation time, ductile pipe PE pipe installation is simple and rapid, and after the installation of internal and external pressure bearing better tightness and corrosion resistance; from the point of view, ductile pipe sealing better after installation, but also can improve the corrosion resistance of corrosion protection through a variety of means; from the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve greater runoff; from the installation and maintenance cost, ductile pipe have more favorable price. The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.

Q:Can ductile iron pipes be used for railway crossings?: Yes, ductile iron pipes can be used for railway crossings. Ductile iron is a strong and durable material that can withstand heavy loads and high traffic volumes, making it suitable for railway crossings. Additionally, it has excellent corrosion resistance properties, which is important for withstanding the harsh environmental conditions associated with railway crossings.

Q:What is the expected service life of ductile iron pipe?: The expected service life of ductile iron pipe can vary depending on various factors such as the quality of the pipe, the environment it is installed in, and the maintenance and care it receives. However, on average, ductile iron pipe has a life expectancy of 80 to 100 years.

Q:Can ductile iron pipes be used for rainwater harvesting systems?: Yes, ductile iron pipes can be used for rainwater harvesting systems. Ductile iron pipes are known for their durability and strength, making them suitable for various applications, including rainwater harvesting. These pipes are resistant to corrosion and can withstand high pressure, which is essential for transporting rainwater from the collection point to storage tanks or distribution systems. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and making them a cost-effective choice for rainwater harvesting systems.

Q:What are the different types of joints used in ductile iron pipes?: There are several types of joints commonly used in ductile iron pipes. These joints are designed to provide a secure and leak-proof connection between pipe sections. Here are some of the most commonly used joint types: 1. Push-on joint: This type of joint is easy to install and requires no special tools. It involves lubricating the gasket on one end of the pipe and pushing it into the socket of the adjoining pipe. The gasket creates a tight seal that prevents leakage. 2. Mechanical joint: This joint type consists of a gland and a follower gasket. The gland is placed over the spigot end of one pipe, and the follower gasket is inserted into the bell end of the adjoining pipe. The gland is then tightened with bolts and nuts, compressing the gasket to form a secure joint. 3. Restrained joint: This joint is used in applications where pipes need to be restrained against axial movement or pressure thrust. It typically involves a mechanical joint with additional components such as tie rods, thrust blocks, or restrained couplings to provide the necessary restraint. 4. Flanged joint: Flanged joints are commonly used in large diameter ductile iron pipes. They involve a flange on one pipe end and a mating flange on the other pipe end. The two flanges are bolted together, creating a strong and secure connection. Flanged joints allow for easy disassembly and reassembly if needed. 5. Welded joint: Welded joints are created by fusing the ends of two pipes together using heat and pressure. This type of joint provides a permanent and strong connection. Welded joints are commonly used in underground or buried applications where long-term durability is essential. It is important to note that the choice of joint type depends on factors such as pipe diameter, application, and project requirements. Consulting with a professional engineer or the manufacturer's guidelines is recommended to ensure the appropriate joint type is selected for ductile iron pipes.

Q:What are the typical surge anticipation measures for ductile iron pipe?: Some typical surge anticipation measures for ductile iron pipe include using surge tanks or pressure relief valves, installing air release valves and surge suppressors, using flexible joint connections, and designing the pipeline with appropriate wall thickness and reinforcement.

Q:Can ductile iron pipe be used for irrigation pumping stations?: Yes, ductile iron pipe can be used for irrigation pumping stations. Ductile iron pipe is known for its durability, corrosion resistance, and ability to withstand high pressure and flow rates. It is a commonly used material for water supply systems, including irrigation pumping stations, due to its reliability and long service life.

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