DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN100

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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: Are ductile iron pipes suitable for landfill leachate collection?: Yes, ductile iron pipes are suitable for landfill leachate collection. Ductile iron pipes have excellent strength and durability, making them capable of withstanding the harsh and corrosive nature of landfill leachate. Additionally, they have a long lifespan and are resistant to both external and internal corrosion, making them a reliable choice for this application.

Q: How are ductile iron pipes protected against external soil loads?: Ductile iron pipes are protected against external soil loads through several methods. One of the primary methods is the use of a protective coating on the exterior surface of the pipe. This coating acts as a barrier between the iron pipe and the surrounding soil, preventing direct contact and reducing the risk of corrosion. Another method of protection is the use of trench backfill materials. The soil used for backfilling is carefully selected and compacted to provide adequate support and load distribution for the pipe. This helps to minimize the stress and pressure exerted on the pipe by the surrounding soil. Additionally, the design and installation of the pipe system play a crucial role in protecting ductile iron pipes against external soil loads. The pipes are typically laid in a properly engineered trench, which includes appropriate bedding and backfilling techniques to ensure stability and minimize the potential for damage. Furthermore, the use of proper pipe jointing techniques is essential for protecting against external soil loads. Joints are often designed to be flexible, allowing for some movement and accommodating external loads. This helps to distribute the stress along the length of the pipe and prevents concentrated pressure points that could lead to failure. Overall, a combination of protective coatings, appropriate backfill materials, proper installation techniques, and joint design contribute to the effective protection of ductile iron pipes against external soil loads. This ensures the longevity and reliability of the pipe system, even in challenging soil conditions.

Q: Can ductile iron pipe be used for potable water systems?: Yes, ductile iron pipe can be used for potable water systems. Ductile iron is a type of cast iron that is known for its strength, durability, and ability to withstand high pressure. It is also corrosion-resistant, making it suitable for use in water distribution systems. Ductile iron pipe is commonly used in potable water systems due to its longevity and low maintenance requirements. Additionally, it is approved by various standards organizations, such as the American Water Works Association (AWWA), for use in potable water applications. However, it is important to ensure that the ductile iron pipe used for potable water systems is manufactured and installed according to the appropriate standards and regulations to ensure the safety and quality of the water supply.

Q: Method for joining cast iron pipes: Cast iron pipe, cast cast pipe. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated

Q: Can ductile iron pipe be used for both water and wastewater applications?: Yes, ductile iron pipe can be used for both water and wastewater applications. Ductile iron has excellent strength, durability, and corrosion resistance, making it suitable for conveying both clean water and wastewater effectively and safely.

Q: What are the different types of restrained joints for ductile iron pipe?: There are several different types of restrained joints for ductile iron pipe. These joints are designed to prevent pipe separation or movement due to internal pressure, external forces, or ground movement. Some of the commonly used restrained joints for ductile iron pipe include: 1. Mechanical Restrained Joint: This type of joint uses mechanical devices such as bolts, nuts, and gaskets to hold the pipe in place. The joint is typically made up of a gland, a gland follower, and a restraint ring. The gland and gland follower compress the gasket against the pipe, while the restraint ring provides additional support and resistance against movement. 2. Push-on Restrained Joint: This joint utilizes a rubber gasket that is compressed when the two pipe ends are pushed together. The gasket provides a tight seal and also acts as a restraint against movement. Some push-on restrained joints also include additional mechanical devices to enhance the restraint capability. 3. Restrained Flange Joint: This type of joint combines the features of a flanged joint and a restrained joint. It consists of a flanged pipe end that is bolted to a flange on another pipe or fitting. The bolts and nuts provide the mechanical restraint, while the flange connection ensures a secure and leak-free joint. 4. Restrained Coupling Joint: This joint is a variation of the mechanical restrained joint. It utilizes a coupling that is bolted or clamped around the pipe ends, providing the necessary restraint. The coupling may also have a gasket to ensure a tight seal. 5. Restrained Socket Joint: This joint is similar to the push-on restrained joint, but it includes additional mechanical devices to enhance the restraint capability. The socket end of the pipe is typically designed to receive a pipe spigot, which is then secured using bolts, clamps, or other mechanical devices. These different types of restrained joints for ductile iron pipe offer varying levels of restraint and are selected based on the specific requirements of the application. They ensure the integrity and stability of the pipeline system, reducing the risk of leaks, pipe separation, or movement.

Q: Is the spigot and socket connection of the ductile iron tube reversed?: The whole process is formed by the radial compression of the pipe blank and the stretching process of the branch pipe. Different from the hydraulic bulging three, the metal of the three way joint pipe is compensated by the radial movement of the tube blank, so it is also called radial compensation process.

Q: What are the disadvantages of using ductile iron pipes?: One disadvantage of using ductile iron pipes is their susceptibility to corrosion. Over time, exposure to moisture and various chemicals can cause the pipes to deteriorate and develop leaks. Another disadvantage is their relatively high cost compared to other pipe materials, such as PVC or HDPE. Additionally, ductile iron pipes are heavy and require specialized equipment for installation, which can increase labor and transportation costs.

Q: Can ductile iron pipes be used for gas distribution systems?: Yes, ductile iron pipes can be used for gas distribution systems. Ductile iron pipes have been widely used in various infrastructure applications, including gas distribution systems, due to their strength, durability, and corrosion resistance. These pipes are designed to withstand high-pressure gas flow and are suitable for both underground and above-ground installations. Additionally, ductile iron pipes have excellent resistance to external loads and are less prone to damage or breakage, making them a reliable and safe choice for gas distribution systems. However, it is important to ensure that the pipes are properly coated and protected against any potential corrosive elements present in the gas or soil to maintain their longevity and performance.

Q: What is the difference between a PE fire hose and a ductile iron pipe?: Cast iron pipe: cast pipe made of cast iron. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated.

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