DUCTILE IRON PIPES&PIPE FITTINGS C CLASS DN100

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/month

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Ductile Iron Pipes with high performance good price

High Tensile Steel Rebar ASTM BS4449 Rebar Steel

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: Steel plastic pipe, ductile iron pipe, steel pipe difference: The utility model has the advantages of wide application range, more connecting modes, suitable for most occasions, good sealing property, proper material selection and anticorrosion treatment, and can greatly increase the corrosion resistance.

Q: Can ductile iron pipes be used for railway bridges?: Indeed, railway bridges can utilize ductile iron pipes. Ductile iron, a resilient and sturdy form of cast iron, possesses remarkable tensile strength and flexibility. These characteristics render it suitable for a wide array of uses, railway bridges included. Ductile iron pipes serve as ideal building materials for various railway bridge elements, such as supports, beams, and columns, providing not only structural stability but also the ability to endure substantial loads and vibrations associated with railway traffic. Moreover, ductile iron pipes exhibit resistance to corrosion, a vital attribute for railway bridges that face exposure to outdoor conditions. Consequently, ductile iron pipes represent a viable and effective choice for constructing railway bridges.

Q: Can ductile iron pipes be used for trench crossings?: Yes, ductile iron pipes can be used for trench crossings. Ductile iron pipes are known for their high strength and durability, making them suitable for a wide range of applications including trench crossings. They have the ability to withstand heavy loads and external pressures, making them an ideal choice for underground installations. Additionally, ductile iron pipes have excellent corrosion resistance properties, ensuring their longevity and reliability in trench crossing scenarios.

Q: Are ductile iron pipes suitable for use in mining applications?: Yes, ductile iron pipes are suitable for use in mining applications. They possess excellent strength, durability, and resistance to corrosion, making them ideal for transporting fluids and materials in the harsh and demanding conditions of mining operations. Additionally, their ductility enables them to withstand high pressures and impacts, ensuring reliable performance and long service life in mining environments.

Q: What are the different lining thickness options for ductile iron pipe?: The different lining thickness options for ductile iron pipe typically depend on the specific application and the requirements of the project. The most common lining options for ductile iron pipe include cement mortar lining, polyurethane lining, and polyethylene lining. Cement mortar lining is one of the oldest and most widely used lining options for ductile iron pipes. It involves applying a layer of cement mortar to the inner surface of the pipe, which provides protection against corrosion and enhances the hydraulic performance of the pipe. The thickness of cement mortar lining can vary, typically ranging from 3mm to 6mm. Polyurethane lining is another popular choice for ductile iron pipes, especially in applications where resistance to abrasion and chemical attack is required. Polyurethane linings are typically applied using a spray or casting method, and the thickness can vary depending on the specific requirements of the project. Generally, polyurethane linings can range from 1mm to 4mm in thickness. Polyethylene lining is a relatively newer technology for ductile iron pipes and is commonly used in applications where resistance to chemical corrosion is necessary. Polyethylene linings are typically applied using a rotational lining process, where a layer of molten polyethylene is evenly distributed on the internal surface of the pipe. The thickness of polyethylene lining can vary from 2mm to 8mm, depending on the specific project requirements. It is important to note that the lining thickness can be customized based on the specific requirements of the project, such as the corrosiveness of the transported fluid, the operating conditions, and the desired service life of the pipe. Consulting with a qualified engineer or pipe manufacturer is recommended to determine the most suitable lining thickness for a particular application.

Q: How do ductile iron pipes handle ground movement or settlement?: Ductile iron pipes are well-suited to handle ground movement or settlement due to their inherent flexibility and durability. The ductile nature of the material allows the pipes to withstand moderate ground movement without cracking or breaking, while their strength ensures they can resist the pressure exerted by settling soil. Additionally, the joints of ductile iron pipes are designed to accommodate slight movements and provide a flexible connection. Overall, ductile iron pipes are a reliable choice for underground infrastructure, offering long-term performance even in areas prone to ground movement or settlement.

Q: Qianwei County ductile iron pipe which tool to use cutting convenience?: Cutting the ductile iron pipe by grinding is grinding and cutting the ductile iron tube continuously by grinding wheel until it breaks. To cut ductile iron pipes by grinding cutting method, the cutting parts should be crossed at first so as to avoid deviation during cutting. Place the drawn ductile iron tube in the cutting machine and fix the ductile iron tube and clamp it with a built-in clamp. Next, start the cutting machine and gradually press the handle of the cutting machine. The grinding wheel cuts into the ductile iron tube until the ductile iron pipe is cut off. When exerting pressure on the handle, do not force too hard at once, otherwise it will cause the grinding wheel to break. In the operation of the machine, the operator must not stand on the side of the grinding wheel, so as to avoid accidents. When the wheel appears in cutting, vibration, shaking, uneven phenomenon, should immediately stop the operation, check whether there is the wheel gap, if damaged, must be promptly replaced, to ensure safety and normal. Good cutting ductile cast iron pipe section, if there is to prevent the use of burrs, can be removed by grinding or machining file.

Q: What is the external coating used in ductile iron pipes?: Ductile iron pipes usually have an external coating made of protective materials like zinc or asphalt. These coatings are applied to the pipe's surface to prevent corrosion and shield the iron from its surroundings. Zinc coatings, like hot-dip galvanizing, are widely employed because of their exceptional resistance to corrosion. Conversely, asphalt coatings offer a resilient and adaptable shield against corrosion and abrasion. The selection of the coating relies on factors such as the intended use, environmental circumstances, and project-specific requirements.

Q: How do ductile iron pipes handle differential settlement?: Ductile iron pipes possess exceptional durability and are renowned for their ability to endure diverse environmental conditions, including differential settlement. Differential settlement refers to the uneven settling of the ground, which can often impose stress and strain on underground pipes. Specifically engineered to address settlement issues, ductile iron pipes exhibit inherent flexibility and strength. These pipes possess the capacity to flex and accommodate slight ground movements without incurring significant damage or failure. The flexibility of ductile iron pipes enables them to evenly distribute the stress and strain caused by differential settlement along their length. This characteristic assists in averting concentrated stress points that could potentially result in cracks or fractures in the pipe. Furthermore, the inherent strength of ductile iron pipes equips them with the necessary resistance to withstand the forces generated by differential settlement. The pipes' robust construction and high tensile strength render them less susceptible to deformation or damage caused by ground movements. Moreover, ductile iron pipes are commonly installed with flexible joints, such as rubber gaskets or push-on joints. These joints permit some movement and adapt to any slight misalignment or settlement that may occur. By providing flexibility at the joints, the pipes can better adjust to changes in ground conditions and diminish the risk of failure. In conclusion, ductile iron pipes possess the necessary attributes to effectively cope with differential settlement due to their flexibility, strength, and utilization of flexible joints. These features guarantee that the pipes can endure ground movements and continue to function efficiently without compromising their integrity or longevity.

Q: What are the different types of joints available for ductile iron pipe?: There are several types of joints available for ductile iron pipe, each offering different benefits and suitable for different applications. Here are some of the most common types: 1. Mechanical Joints: These joints use a mechanical joint gland and rubber gasket to create a watertight seal. They are easy to install and allow for quick and simple disassembly if needed. 2. Push-on Joints: This type of joint features a rubber gasket that is compressed when the pipe is pushed into the fitting. It provides a reliable seal and requires no special tools for installation. 3. Restrained Joints: Restrained joints are designed to withstand higher internal pressures and prevent the pipe from pulling apart. They typically use a combination of mechanical or push-on joints with additional restraints such as thrust blocks or harnesses. 4. Flanged Joints: Flanged joints use flanges and bolts to connect two pipes together. They are commonly used in situations where frequent disassembly is required or when connecting to other types of pipes or equipment. 5. Welded Joints: In some cases, ductile iron pipes can be welded together to create a strong and permanent connection. Welded joints are typically used in large diameter pipes or specialized applications where a high level of strength is required. It is important to consider factors such as the pipe's application, pressure rating, and installation requirements when selecting the appropriate joint type for ductile iron pipes.

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