Ductile Iron Pipe DN100-DN300 ISO2531:2009 for Water Supply

Ductile Iron Pipe DN100-DN300 ISO2531:2009 for Water Supply

Ref Price:: $450.00 - 630.00 / m.t.

Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 200000 m.t./month

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Ductile Iron Pipe On Sale Made In China DN100

1,Ductile Iron Pipe Description :

DI pipe fittings are manufactured according to ISO 2531 or BS EN545 or BS4772 FOR POTABLE WATER ,internal is cement lining or wet epoxy coating;External is zinc plus bitumen or wet epoxy coating. We also manufacture ductile iron fittings with fusion bonded epoxy both inside and outside.We have passed ISO9001,ISO14001,OHSMS18001 certificate.

2,Main Features of the Ductile Iron Pipe:
1).Quality guarantee
• Chemical checking
• NDE after rough machining
• Mechanical testing after heat treatment
2).Quality document
• Full Q.A document as per client request
3).Service
• Drawing: we can translate your original drawing, offer best suggestion on design
• Quality: we have full set quality control system to guarantee the best quality.
4).Packing and Shipping
• standard export package(carton/wooden case/pallet)
• accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent
3,Ductile Iron Pipe Images:

Ductile Iron Pipe DN100-2000 ISO2531:2009 for Water Supply

4. Ductile Iron Pipe Specification:
Surface Finishes: Bare, Oiled, Mill Varnish, Galv,FBE, FBE Dual, 3LPE, 3LPP, Coal Tar,Concrete Coating and Tape Wrap
Additional Services: Internal Coating
Packaging: packed in bag, plastic bag, steel strip, steel wire,double wire, iron box, wooden box, tarpaulin, plastic sheeting
Inspection: MOODY SGS BV GL DNV ABS LIOYD’S
Test: X-ray, UT, magnetic particle,inspection,hydrostatic test.
Processing service: Beveling, Threading, Slotting, Cut-to length, Bends, Quench and Temper, Fabrication, Double-jointing and On-site assistance
5.FAQ:
We have organized several common questions for our clients，may help you sincerely：
1.Q:Why can you guarantee the inner of pipes can’t be corroded?
A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.

2.Q: Why would you choose ductile iron pipe rather than other pipe materials?
A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.

Q:Can ductile iron pipes be used for large-scale irrigation systems?: Ductile iron pipes are ideal for large-scale irrigation systems due to their strength, durability, and corrosion resistance. They can withstand high pressure and meet the demands of extensive irrigation. Furthermore, these pipes have a long lifespan, minimizing the need for frequent maintenance and replacements. In addition, they are cost-effective when compared to alternative materials used in irrigation systems. Consequently, ductile iron pipes are a prudent choice for large-scale irrigation systems, given their strength, durability, corrosion resistance, and cost-effectiveness.

Q:What are the common methods for leak detection in ductile iron pipes?: Professionals in the field commonly utilize various techniques to detect and locate leaks in ductile iron pipes. These methods play a crucial role in timely leak identification. 1. Acoustic Leak Detection: By employing specialized equipment, professionals listen for the sound of water escaping from the pipe. This equipment detects the leak's sound and aids in pinpointing its exact location. This technique is effective for both pressurized and non-pressurized pipes. 2. Visual Inspection: Physically inspecting the pipe system for visible signs of leaks, such as water stains, wet spots, or puddles, constitutes visual inspection. This relatively straightforward method proves effective in detecting visible leaks in accessible areas. 3. Pressure Testing: During installation or maintenance, pressure testing involves pressurizing the pipe system and monitoring pressure drops. A decrease in pressure signifies the presence of a leak. This method is particularly useful for identifying leaks in inaccessible areas. 4. Infrared Thermography: Infrared cameras detect leaks by measuring temperature variations. The camera can identify temperature differences caused by water escaping from a pipe. This technique is especially efficient in identifying concealed leaks behind walls or underground. 5. Tracer Gas Testing: Tracer gas testing entails injecting a specific gas, such as helium or hydrogen, into the pipe system. In the event of a leak, the gas escapes and can be detected using specialized equipment. This highly sensitive method can locate even minute leaks. 6. Soil Gas Monitoring: Monitoring the soil surrounding the pipe allows professionals to detect gases emitted by leaking water. Analyzing the composition of the soil gas aids in determining the leak's location. It is essential to consider the specific circumstances, such as pipe system size, accessibility, and leak severity when selecting a method. Combining multiple techniques may be necessary to ensure accurate and comprehensive leak detection.

Q:Can ductile iron pipes be used for water distribution networks?: Yes, ductile iron pipes can be used for water distribution networks. Ductile iron pipes are highly durable, corrosion-resistant, and have a long lifespan, making them suitable for transporting water over long distances. Additionally, their flexible nature allows them to withstand ground movement and vibrations, making them a reliable choice for water distribution networks.

Q:Can ductile iron pipes be used for geothermal energy systems?: Certainly, geothermal energy systems can utilize ductile iron pipes. Ductile iron, being a robust and long-lasting substance, possesses the capacity to endure the frequently encountered elevated temperatures and pressures in geothermal energy systems. Its ability to resist corrosion and exhibit high tensile strength renders it a perfect selection for conveying geothermal fluids. Furthermore, the ease of joining ductile iron pipes permits flexibility and adaptability during the design and installation phases. All in all, ductile iron pipes prove to be a trustworthy and economically viable alternative for geothermal energy systems.

Q:The plug connection DN800 ductile iron pipe has been installed. "Shall I think so?": The main components of ductile iron pipes are carbon, silicon, manganese, sulfur, phosphorus and magnesium. Perform standard [span]GB/T13295-2003 ISO2531/2003

Q:Are ductile iron pipes resistant to external loads?: Yes, ductile iron pipes are generally resistant to external loads. Ductile iron is a type of cast iron that has been treated with additives such as magnesium and cerium to make it more flexible and durable. This increased flexibility allows the pipes to withstand high levels of external pressure and stress without cracking or breaking. Ductile iron pipes are commonly used in applications where they are exposed to heavy loads, such as underground water distribution systems, sewer lines, and industrial pipelines. These pipes have been proven to have excellent resistance to external loads, making them a reliable choice for various infrastructure projects.

Q:What are the different methods for tapping ductile iron pipe?: There are several different methods for tapping ductile iron pipe, depending on the specific requirements of the project. Some of the common methods used include: 1. Mechanical Tapping: This method involves using a mechanical tapping machine to create a hole in the ductile iron pipe. The machine is equipped with a cutting tool that rotates and cuts through the pipe wall, creating a clean hole. This method is commonly used for smaller diameter pipes and is relatively quick and efficient. 2. Hot Tapping: Hot tapping involves creating a hole in a pressurized ductile iron pipe while it is still in service. This method requires specialized equipment and expertise to ensure safety and maintain the integrity of the pipe. Hot tapping is commonly used when it is not feasible or practical to shut down the pipeline for maintenance or repair work. 3. Electrofusion Tapping: Electrofusion tapping is a method that uses an electrofusion saddle and fitting to create a branch connection on a ductile iron pipe. This method involves welding a fitting onto the pipe using an electrofusion machine, which creates a secure and leak-proof connection. Electrofusion tapping is commonly used for larger diameter pipes and is suitable for both water and gas applications. 4. Saddle Tapping: Saddle tapping involves attaching a saddle or clamp onto the ductile iron pipe and drilling a hole through the saddle into the pipe. The saddle is then equipped with a threaded outlet for connecting a branch line. This method is commonly used for smaller diameter pipes and is relatively simple and cost-effective. 5. Split Sleeve Tapping: Split sleeve tapping is a method that involves cutting a section out of the ductile iron pipe and installing a split sleeve over the cut. The split sleeve is then bolted together, creating a secure and watertight connection. This method is commonly used for larger diameter pipes and is suitable for both water and gas applications. It is important to note that the selection of the tapping method should be based on factors such as the pipe size, pressure rating, required branch connection, and the specific requirements of the project. Consulting with a professional engineer or tapping specialist is recommended to ensure the proper method is used for tapping ductile iron pipe.

Q:Can ductile iron pipes be used for underground river crossings?: Underground river crossings can indeed utilize ductile iron pipes. Renowned for their robustness and longevity, ductile iron pipes are highly versatile, making them ideal for a range of applications, including underground river crossings. These pipes possess exceptional tensile strength, enabling them to withstand the external forces and pressures imposed by the surrounding soil and water. Moreover, their outstanding resistance to corrosion is paramount when dealing with subterranean water sources like rivers. Additionally, ductile iron pipes can endure ground movements, settling, and any geological obstacles that may arise during the installation and operation of underground river crossings. Consequently, they represent a dependable choice, ensuring the secure and efficient conveyance of water across rivers while preserving the integrity of the subterranean infrastructure.

Q:The difference between HDPE pipe and ductile iron pipe: Production process is different, ductile iron pipe mainly through intermediate frequency furnace heating, annealing, and then do cement lining cement lining production, the mechanism of cast iron pipe does not make cement lining.

Q:What is the expected pressure rating for ductile iron pipes?: The pressure rating for ductile iron pipes can differ based on factors like pipe diameter, wall thickness, and specific application. In general, ductile iron pipes are built to endure high-pressure situations. They are frequently utilized in water and wastewater systems, where they can normally manage pressures ranging from 150 psi to 350 psi or more. To ensure safe and dependable operation, it is crucial to refer to the manufacturer's specifications or relevant industry standards for precise pressure ratings based on pipe size and application.

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