DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN700

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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: Can ductile iron pipes be used in culvert or storm sewer applications?: Yes, ductile iron pipes can definitely be used in culvert or storm sewer applications. Ductile iron pipes are known for their strength, durability, and flexibility, making them ideal for such applications. They have the ability to withstand heavy loads, resist corrosion, and handle high flow rates, making them a reliable choice for culverts and storm sewers. Ductile iron pipes also have a long service life and require minimal maintenance, further adding to their suitability for these applications. Additionally, ductile iron pipes can be easily installed and are available in various sizes and configurations to meet the specific requirements of culvert or storm sewer projects. Overall, ductile iron pipes are a proven and widely used option for culvert or storm sewer applications, providing efficient and long-lasting performance.

Q: Are ductile iron pipes suitable for bridge crossings or crossings under roadways?: Yes, ductile iron pipes are suitable for bridge crossings or crossings under roadways. They possess high strength and durability, making them capable of withstanding heavy loads and traffic conditions. Additionally, their flexibility and resistance to external pressures make them an ideal choice for such applications, ensuring long-lasting and reliable performance.

Q: What is the expected hydraulic efficiency of ductile iron pipes?: The expected hydraulic efficiency of ductile iron pipes is generally high, as they have a smooth interior surface that minimizes friction and allows for efficient flow of water or other fluids.

Q: What is the wall thickness of K10 grade dn=400 ductile iron pipe?: Ductile iron pipe, class K10, DN400 theoretical weight table:Grade K10, DN400 ductile iron pipe wall thickness (T):9mm.Nominal diameter (DN) 400mm, its outer diameter (DE) 429mm.The approximate weight (kg) 29.5. of the crown of the socket;Straight part weight per meter (kg) 83.7.Total quality (kg) (length standard 6000mm) 532.Total mass (kg) (standard work length 5000mm) 448.The main characteristics of ductile iron pipes: ductile iron pipe is a kind of cast iron pipe. Having the nature of iron; the properties of steel. Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..

Q: What is the expected bending stress capacity of ductile iron pipes?: Ductile iron pipes exhibit varying expected bending stress capacities due to factors such as diameter, wall thickness, and the grade of ductile iron utilized. However, in general, ductile iron pipes possess superior bending stress capacities compared to alternative pipe materials. Ductile iron pipes are renowned for their remarkable tensile strength and flexibility, enabling them to endure substantial bending stresses. Determining the precise bending stress capacity involves comprehensive testing and analysis, taking into account the pipe's mechanical properties, dimensions, and maximum allowable deflection. It is crucial to evaluate the bending stress capacity of ductile iron pipes in accordance with established industry standards and guidelines. These may involve standards like the American Water Works Association (AWWA) C150 or the International Organization for Standardization (ISO) 2531, which outline specifications and testing methodologies for ductile iron pipes. Ultimately, the anticipated bending stress capacity of ductile iron pipes hinges upon various factors and necessitates an assessment tailored to the specific application requirements. It must consider industry standards and guidelines to ensure precise and dependable results.

Q: Are ductile iron pipes resistant to chemicals?: Generally, ductile iron pipes exhibit resistance to chemicals. Ductile iron, a variety of cast iron, is fortified with small amounts of magnesium to enhance its strength and ductility. This alloying process effectively heightens its ability to withstand corrosion and chemical attack. Ductile iron pipes have found extensive use in multiple applications, such as water supply, wastewater treatment, and industrial piping systems, where they may encounter a range of chemicals. Nevertheless, it is crucial to acknowledge that the resistance of ductile iron pipes to chemicals can vary based on the specific type and concentration of the chemical in question. Thus, it is advisable to seek guidance from the manufacturer or a qualified engineer to ascertain the suitability of ductile iron pipes for a particular chemical application.

Q: What is the expected joint deflection of ductile iron pipes?: Various factors, such as the pipe diameter, joint type, and installation conditions, influence the expected joint deflection of ductile iron pipes. Generally, ductile iron pipes are designed to allow for some deflection at the joints to accommodate flexibility and movement. The American Water Works Association (AWWA) offers guidelines for the maximum allowable joint deflection of ductile iron pipes. According to AWWA C151/A21.51, the joint deflection should typically not exceed 3 degrees or 1% of the nominal pipe diameter, whichever is greater. It is crucial to ensure that the joint deflection remains within the specified limits to maintain the structural integrity and performance of the pipeline system. Excessive joint deflection can result in leaks, failures, and reduced pipe lifespan. To accurately determine the expected joint deflection for a specific installation, it is recommended to refer to the manufacturer's specifications and guidelines. These specifications may vary based on pipe size, joint type, and other factors. Seeking guidance from a qualified engineer or directly contacting the manufacturer can provide precise information tailored to the project requirements.

Q: The difference between ductile iron pipe and steel pipe used in pipe jacking: The casting processes of nodular cast iron pipes are continuous casting, hot die casting and water-cooled centrifugal casting, in which water cooling is the most advanced process in the world,

Q: What is the expected joint performance of ductile iron pipes?: The expected joint performance of ductile iron pipes is generally considered to be excellent. Ductile iron pipes are known for their high durability and strength, making them suitable for various applications such as water distribution, sewer systems, and industrial pipelines. One of the key aspects of joint performance in ductile iron pipes is their ability to withstand external loads and pressure. The joints in ductile iron pipes are typically designed to provide a tight and secure connection, ensuring minimal leakage and long-term structural integrity. This is achieved through various joint types, including push-on joints, mechanical joints, and restrained joints. Push-on joints are commonly used in ductile iron pipes and allow for easy installation without the need for special tools or equipment. These joints utilize a rubber gasket that provides a watertight seal, preventing any leakage. Mechanical joints, on the other hand, involve the use of mechanical devices such as bolts and nuts to create a rigid connection between the pipes. This type of joint provides additional strength and resistance against external forces. In terms of performance, ductile iron pipes have been extensively tested and proven to meet or exceed industry standards for pressure and bending strength. They have high resistance to corrosion, which ensures a long service life, and are also less susceptible to damage from ground movements or vibrations. These properties contribute to the overall joint performance of ductile iron pipes, ensuring reliable and efficient operation in various infrastructure systems. Overall, when installed and maintained properly, ductile iron pipes exhibit excellent joint performance, providing a reliable and durable solution for various applications in the water and wastewater industry.

Q: What are the typical joint restraint systems used in ductile iron pipes?: Ductile iron pipes commonly employ various joint restraint systems, including mechanical joint restraints, push-on joint restraints, and restrained joint systems. 1. Mechanical Joint Restraints: These systems secure pipe joints using mechanical devices. The gland-type restraint, consisting of a gland and follower, is the most prevalent. By placing the gland over the pipe joint and tightening it with bolts, a tight seal is created, preventing movement. 2. Push-On Joint Restraints: Rubber gaskets are utilized in push-on joint restraints to establish a watertight seal between pipe sections. These restraints do not require additional devices or bolts to secure the joint. The gasket generates enough friction and compression to prevent pipe separation. 3. Restrained Joint Systems: These systems offer enhanced joint integrity and resistance to longitudinal movement. Typically, they combine mechanical joint restraints and push-on joint restraints. Additional elements like harnesses, rods, or wedges may also be incorporated for additional support and prevention of joint separation. It is crucial to consider that the specific joint restraint system employed in ductile iron pipes may vary based on factors such as application, pipe diameter, and operating conditions. Selecting the appropriate joint restraint system is vital to ensure the pipeline's structural integrity and longevity.

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