DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700

DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 1

DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 2

DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 3

DUCTILE IRON PIPES AND PIPE FITTINGS K8 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:What are the typical joint restraint requirements for ductile iron pipes?: The typical joint restraint requirements for ductile iron pipes involve the use of mechanical joint restraints, such as thrust blocks or tie rods, to prevent the pipe from separating or moving under internal pressure or external forces. These restraints ensure the stability and integrity of the pipeline system.

Q:What are the common pressure ratings for ductile iron pipes?: Common pressure ratings for ductile iron pipes vary depending on the specific application and industry standards. However, the most commonly used pressure ratings for ductile iron pipes are Class 150, Class 200, Class 250, and Class 350. Class 150 ductile iron pipes are typically used for low-pressure applications, with a working pressure of up to 150 psi (pounds per square inch). These pipes are commonly used for water distribution systems, irrigation, and gravity flow sewer systems. Class 200 ductile iron pipes have a higher working pressure of up to 200 psi. These pipes are often used for applications that require a slightly higher pressure, such as industrial water supply, fire protection systems, and wastewater treatment plants. Class 250 ductile iron pipes have a working pressure of up to 250 psi. These pipes are suitable for more demanding applications, such as high-pressure water supply systems, power plants, and municipal water distribution networks. Class 350 ductile iron pipes have the highest working pressure rating, with a maximum pressure of up to 350 psi. These pipes are typically used for heavy-duty applications, such as industrial water supply, oil and gas pipelines, and large-scale water transportation projects. It's important to note that these pressure ratings are general guidelines and may vary depending on the specific manufacturer and product specifications. Consulting industry standards and guidelines, as well as working with qualified engineers and professionals, is essential to ensure the correct pressure rating is selected for a particular ductile iron pipe application.

Q:Are ductile iron pipes suitable for trenchless installation methods?: Yes, ductile iron pipes are suitable for trenchless installation methods. Ductile iron pipes are known for their strength, durability, and flexibility, making them ideal for trenchless installation methods such as horizontal directional drilling (HDD) and pipe bursting. HDD involves drilling a small pilot hole underground and then pulling the ductile iron pipe through the hole, without the need for extensive trenching. Ductile iron pipes can withstand the pulling forces exerted during this process and can be easily guided through the underground path. Pipe bursting is another trenchless method where an existing pipe is replaced by breaking it apart while simultaneously pulling a new ductile iron pipe into place. The strength and flexibility of ductile iron pipes allow them to withstand the force required to burst the existing pipe and replace it with minimal disruption to the surrounding area. In both these trenchless installation methods, ductile iron pipes offer several advantages. They have a high resistance to corrosion and can withstand high-pressure applications, making them suitable for a wide range of underground environments. Ductile iron pipes also have a long service life, reducing the need for frequent replacement and maintenance. Overall, ductile iron pipes are a reliable and suitable choice for trenchless installation methods, providing efficient and cost-effective solutions for underground pipe installations.

Q:Can ductile iron pipe be used for both water and sewage applications?: Yes, ductile iron pipe can be used for both water and sewage applications. Ductile iron pipe is known for its strength, durability, and corrosion resistance, making it suitable for a wide range of applications, including conveying both water and sewage. Its high tensile strength allows it to withstand the high pressure and heavy loads associated with water and sewage systems. Additionally, ductile iron pipe has a smooth interior surface that helps to minimize friction and improve flow efficiency, making it ideal for transporting both water and sewage. The material's resistance to corrosion and chemical attack ensures a long service life, even in harsh environments. Furthermore, ductile iron pipe is available in a variety of sizes and configurations, allowing it to be customized to meet the specific requirements of water and sewage applications. Overall, ductile iron pipe is a reliable and versatile choice for both water and sewage conveyance.

Q:Can ductile iron pipe be used for water distribution systems in cold climates?: Yes, ductile iron pipe can be used for water distribution systems in cold climates. Ductile iron has excellent resistance to freezing and can withstand extreme cold temperatures without becoming brittle or cracking, making it a suitable choice for water distribution systems in cold climates.

Q:Can ductile iron pipes be used in culvert or storm sewer applications?: Certainly, culvert or storm sewer applications can make effective use of ductile iron pipes. Renowned for their strength, durability, and flexibility, ductile iron pipes are an excellent choice for such purposes. They possess the capability to endure heavy loads, resist corrosion, and handle high flow rates, thus establishing them as a dependable option for culverts and storm sewers. Moreover, their extended lifespan and low maintenance needs further contribute to their appropriateness in these applications. Furthermore, ductile iron pipes can be easily installed and are available in various sizes and configurations to suit the specific requirements of culvert or storm sewer projects. In summary, ductile iron pipes have been extensively employed and proven to be an efficient and long-lasting solution for culvert or storm sewer applications.

Q:Qianwei County ductile iron pipe which tool to use cutting convenience?: The cutting of ductile iron pipes is usually done by mechanical cutting, and the working intensity of the machine is stronger than that of our normal workers. This cutting method can effectively reduce the labor intensity of workers, and ensure the quality of cutting. There are many different ways in mechanical cutting, such as sawing, grinding, cutting, and cutting with an electric wire cutter.

Q:What is the wall thickness of K10 grade dn=400 ductile iron pipe?: Ductile iron pipe is a kind of cast iron. It is an alloy of iron, carbon and silicon. Graphite is exist in spherical form, usually graphite size is 6-7, casting spheroidization grade control requirements for 1-3 quality (spheroidization rate greater than 80%), so the mechanical properties of the material itself has been improved, has the essence of iron, steel performance. The annealed ductile iron pipe is composed of ferrite and pearlite. The mechanical properties of the ductile iron pipe are better.

Q:What is the expected maintenance for ductile iron pipes?: To ensure the longevity and optimal performance of ductile iron pipes, regular inspections and preventative measures are required. The first step is to conduct routine visual inspections to detect any signs of corrosion, leaks, or damage. By examining the external surface for cracks, rust, or discoloration, potential issues can be identified at an early stage. In addition, periodic cleaning of the pipes is necessary to eliminate any debris or sediment build-up that could obstruct the water flow. This can be accomplished by flushing the pipes or utilizing mechanical cleaning techniques. It is also crucial to regularly check and maintain the protective coatings on the pipes, such as linings or external paints, to prevent corrosion and maintain their structural integrity. To extend the lifespan of ductile iron pipes, a comprehensive corrosion control program should be implemented. This may involve applying corrosion inhibitors, utilizing cathodic protection systems, and periodically re-coating the pipes. Regular monitoring of water chemistry parameters, such as pH levels and chlorine content, can further prevent corrosion and prolong the pipes' lifespan. Lastly, maintaining accurate records of maintenance activities, such as inspections, cleaning, and repairs, is essential for tracking the condition of the pipes over time. This enables proactive planning for future maintenance and replacement requirements, ensuring the efficient and reliable functioning of ductile iron pipes.

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.

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