DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN1200

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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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DUCTILE IRON PIPE DN1200 K9

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: What is the expected joint deflection capability of ductile iron pipes?: Several factors can affect the expected joint deflection capability of ductile iron pipes. Generally, ductile iron pipes have a higher joint deflection capability compared to other pipe types. The joint deflection capability refers to how well a pipe joint can handle angular deflection or misalignment during installation or due to ground movement. Ductile iron pipes are known for their flexibility, which allows them to withstand external forces and movements without compromising their structural integrity. The expected joint deflection capability of ductile iron pipes typically falls within a range of 1 to 5 degrees, depending on the pipe diameter and wall thickness. This means that the pipes can safely accommodate angular deflection within this range without experiencing leaks or failures. It's important to consider that the joint deflection capability can also be influenced by factors like the type and quality of the joint restraint system, soil conditions, installation techniques, and pipe alignment. To ensure optimal joint deflection capability, it is crucial to follow proper installation practices and adhere to the guidelines provided by the manufacturer. All in all, ductile iron pipes have been designed and manufactured with a significant joint deflection capability, making them suitable for a wide variety of applications, including water distribution, sewer systems, and industrial piping networks.

Q: Are ductile iron pipes resistant to alkaline attacks?: Yes, ductile iron pipes are generally resistant to alkaline attacks. The high carbon content and unique composition of ductile iron make it highly resistant to corrosion caused by alkaline substances. This resistance allows ductile iron pipes to be used in a variety of applications where alkaline conditions exist, such as wastewater treatment plants and alkaline soil environments. However, it is important to note that the specific resistance may vary depending on the concentration and duration of exposure to alkaline substances.

Q: How does ductile iron pipe perform in areas with high groundwater contamination?: Ductile iron pipe is renowned for its durability and resistance to corrosion, rendering it an appropriate option for regions with significant groundwater pollution. By means of its protective lining and coating, the pipe effectively obstructs direct contact between the iron and groundwater, thereby minimizing the likelihood of corrosion and decay. Furthermore, ductile iron pipe possesses the capacity to withstand external pressures, making it less susceptible to harm resulting from shifting soils or groundwater flow. This characteristic proves particularly advantageous in areas with high groundwater contamination as it guarantees the pipe's structural integrity remains intact, preventing leaks or bursts. Moreover, ductile iron pipe boasts a lengthy service life, which in turn diminishes the necessity for frequent replacements and reduces the potential for groundwater pollution caused by pipe failures. On the whole, ductile iron pipe performs exceptionally well in regions plagued by high groundwater contamination, providing a dependable and robust solution for transporting water or wastewater while simultaneously safeguarding the surrounding environment.

Q: Are ductile iron pipes suitable for use in agricultural applications?: Yes, ductile iron pipes are suitable for use in agricultural applications. Ductile iron pipes are known for their high strength and durability, making them ideal for withstanding the heavy loads and pressures often found in agricultural operations. Additionally, they have excellent corrosion resistance, which is important in agricultural environments where pipes may be exposed to chemicals or fertilizers. Ductile iron pipes also have a long lifespan, reducing the need for frequent replacements and minimizing maintenance costs. Overall, their robust nature and ability to handle various agricultural demands make them a reliable choice for use in agricultural applications.

Q: What is the expected deflection limit of ductile iron pipes?: The expected deflection limit of ductile iron pipes is typically around 2% of the pipe's diameter, as per industry standards.

Q: What is the external coating used in ductile iron pipes?: The external coating used in ductile iron pipes is typically made of a protective material such as zinc or asphalt. These coatings are applied to the surface of the pipe to provide corrosion resistance and protect the iron from the surrounding environment. Zinc coatings, such as hot-dip galvanizing, are commonly used due to their excellent corrosion resistance properties. Asphalt coatings, on the other hand, provide a durable and flexible barrier against corrosion and abrasion. The choice of coating depends on factors such as the intended application, environmental conditions, and the specific requirements of the project.

Q: What does "K8" mean in ductile iron pipe grades?: K9 is GB, K10 is specially customized, K8... Strictly speaking, it is not up to standard, standard length, wall thickness and so on.. Many workshops, grades of factory products, such as K9, standard length 6.15M, K8 is 6M, wall thickness from the beginning of DN100, are thin on the point.

Q: How are ductile iron pipes protected against erosion caused by high-velocity flow?: Ductile iron pipes are protected against erosion caused by high-velocity flow through various methods. One common approach is to apply an internal lining to the pipe, which can be made of materials such as cement mortar or polyethylene. This lining provides a smooth surface that reduces the friction and turbulence of the flowing water, thus minimizing the erosion potential. Additionally, external coatings, such as bitumen or epoxy, can be applied to protect the outer surface of the pipe from erosion caused by external factors like soil movement or abrasive materials. Regular inspection and maintenance of the pipes also play a crucial role in identifying and addressing any erosion-related issues to ensure their long-term durability.

Q: What are the different types of valves available for ductile iron pipe?: There are several different types of valves available for ductile iron pipe, each serving a specific purpose and function. Some of the most common types of valves used with ductile iron pipe include: 1. Gate Valves: These valves are used to either completely open or close the flow of fluid within the pipe. They have a gate-like mechanism that either blocks or allows the passage of fluid when the valve is either fully open or fully closed. 2. Butterfly Valves: Butterfly valves are quarter-turn valves that use a circular disc as the closing mechanism. When the valve is open, the disc is parallel to the flow, allowing for minimal pressure drop. When the valve is closed, the disc is perpendicular to the flow, completely stopping the fluid. 3. Ball Valves: Ball valves have a spherical disc with a hole in the middle, known as a ball. When the valve is open, the ball is positioned in such a way that it allows fluid to flow through the hole. When the valve is closed, the ball is rotated to block the flow. 4. Check Valves: Check valves are designed to allow fluid to flow in one direction only, preventing backflow. They have a flap or a disc that opens when the flow is in the correct direction, and closes to stop the flow when it tries to reverse. 5. Plug Valves: Plug valves have a cylindrical or conical plug with a hole through it that can be rotated to control the flow. When the valve is open, the hole aligns with the pipe, allowing fluid to pass through. When the valve is closed, the hole is perpendicular to the pipe, blocking the flow. 6. Pressure Reducing Valves: These valves are used to control and reduce the pressure of fluid flowing through the pipe. They have a mechanism that adjusts the flow area, allowing for pressure reduction. 7. Pressure Sustaining Valves: Pressure sustaining valves are used to maintain a specific pressure within the pipe. They automatically adjust the flow area to sustain the desired pressure level. 8. Air Release Valves: Air release valves are used to release air trapped within the pipe. They allow air to escape while preventing fluid from leaking out. These are just a few examples of the different types of valves available for ductile iron pipe. The choice of valve depends on the specific application, flow requirements, and desired functionality.

Q: Can ductile iron pipes be used for pressure surge applications?: Yes, ductile iron pipes can be used for pressure surge applications. Ductile iron pipes have excellent strength and durability, making them suitable for handling surge pressures caused by sudden changes in flow rates or water hammer events. They can withstand high internal pressures and have a high resistance to impact and fatigue. Additionally, ductile iron pipes have a smooth interior surface that allows for efficient flow of fluids, minimizing the potential for pressure surges. However, it is important to consider factors such as pipe size, wall thickness, and proper installation techniques to ensure the pipes can safely handle the specific pressure surge conditions in a given application. Consulting with a professional engineer or pipe manufacturer is recommended to determine the suitability of ductile iron pipes for pressure surge applications.

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