Ductile Iron Pipe EN598 DN250 Class K9

Ref Price:: $477.00 / m.t.

Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 200000 m.t./month

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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. All the producets are sutible to water pipes fields.
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
• Final NDE,dimension inspected
2).Quality document
• Full Q.A document as per client request
3).Packing and Shipping
• standard export package(carton/wooden case/pallet)
• accept FOB,FAS,CNF,CIF door to door etc or customer designated shipping agent
4).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.
• Inspection: inspect in house, all our products must be checked 3 times before packing
3,Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531:1998 DN800 Class K9

4.Ductile Iron Pipe Specification:
Surface Finishes: Bare, Oiled, Mill Varnish, Galv,FBE, FBE Dual, 3LPE, 3LPP, Coal Tar,Concrete Coating and Tape Wrap
End Finishes: Beveled, Square Cut, Threaded, hat
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
Documentary: MTC, material certification,Origin certification, CI or PI,Test Report, export licence, handling order, B/L,insurance policy,shipping instructions, contract, packing list etc.

5.FAQ:
We have organized several common questions for our clients，may help you sincerely：
1.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.
2.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.

Q:Is there a kind of pipe called lined ductile iron pipe? Seeking manufacturers?: This is basically used as drainage, ie the launching system. The fittings they use are different. You can use specific Baidu search or check, Suzhou arhccom Pipe Industry Co. Ltd., which specializes in Jiangsu ductile plastic lined pipe, ductile iron pipe and fittings. You say there are many manufacturers, they specialize in doing your jade lining plastic ductile iron pipe (second line brand), the new lining plastic ductile iron pipe (brand). Hope to help you.

Q:Can ductile iron pipes be used for firefighting systems?: Ductile iron pipes are capable of being utilized in firefighting systems. This material, known for its strength and resilience, can withstand intense pressures and extreme temperatures, thereby making it a suitable option for transporting water in such systems. Moreover, the pipes' resistance to corrosion and ability to handle external loads guarantee their long-term dependability and effectiveness. Furthermore, ductile iron pipes possess exceptional fire-resistant qualities, as they are non-combustible, do not emit harmful fumes, and do not contribute to the propagation of fire. Consequently, due to their robustness, durability, and fire resistance, ductile iron pipes are widely chosen and trusted for firefighting systems.

Q:How much is the installation of cast iron pipe drainage 1 meters?: From the tightness and corrosion resistance, ductile pipe sealing better after installation, but also can improve the corrosion resistance of corrosion protection through a variety of means; from the hydraulic performance, because ductile pipe specifications generally refers to the inner diameter of PE pipe diameter specifications generally refers to the same specifications, because under the condition of ductile pipe can achieve more runoff large; from the installation and maintenance cost, ductile pipe have more favorable price. The inner wall of zinc spray, anti-corrosion materials such as cement mortar.

Q:How are ductile iron pipes manufactured?: Ductile iron pipes are manufactured through a process known as centrifugal casting, which involves the use of a spinning mold. The process begins with the selection and preparation of high-quality ductile iron, which is a type of cast iron that contains small amounts of magnesium to enhance its strength and ductility. First, the ductile iron is melted in a furnace at extremely high temperatures. Once the molten iron reaches the desired temperature, it is poured into a spinning mold. The spinning mold is designed in the shape of a pipe, and it rotates at a high speed to distribute the molten iron evenly along its inner surface. As the mold spins, the molten iron cools and solidifies against the mold walls. This rapid cooling results in a fine-grained structure and enhances the mechanical properties of the pipe, such as its strength and durability. The spinning mold continues to rotate until the pipe has completely solidified, which typically takes a few minutes. After solidification, the pipe is removed from the mold, and excess material, known as the "skin," is removed. The skin is typically removed by machining or grinding to achieve the desired dimensions and surface finish. Next, the pipe undergoes heat treatment to further enhance its mechanical properties and reduce internal stresses. Once the heat treatment is completed, the pipe is thoroughly inspected for any defects or imperfections. This includes visual inspections, non-destructive testing methods, and pressure testing to ensure the pipe meets the required specifications and standards. If any defects are detected, the pipe may be repaired or rejected depending on the severity of the issue. Finally, the pipes are coated with a protective layer to prevent corrosion and enhance their longevity. This coating can be applied through various methods, such as cement mortar lining, epoxy coating, or zinc coating. Overall, the manufacturing process of ductile iron pipes involves melting the iron, centrifugal casting, cooling, skin removal, heat treatment, inspection, and coating. This process ensures the production of high-quality pipes that possess excellent strength, durability, and resistance to corrosion.

Q:Are ductile iron pipes suitable for use in mining applications?: Yes, ductile iron pipes are suitable for use in mining applications. Ductile iron, also known as nodular cast iron, is a type of iron that has been treated with magnesium or cerium to alter its microstructure, making it stronger and more flexible than traditional cast iron. This enhanced strength and ductility make ductile iron pipes highly resistant to impact, corrosion, and abrasion, which are common challenges in mining environments. In mining applications, ductile iron pipes are often used for various purposes such as water supply, slurry transportation, and ventilation systems. Their excellent durability and resistance to wear and tear make them ideal for handling abrasive materials, chemicals, and high-pressure fluids commonly found in mining operations. Furthermore, ductile iron pipes' ability to withstand heavy loads and external pressures makes them suitable for underground mining applications, where they may need to support the weight of overlying rock layers. Their high tensile strength and flexibility help prevent pipe failure and minimize the risk of leaks or breaks, ensuring the safety and efficiency of mining operations. Additionally, ductile iron pipes are relatively easy to install, maintain, and repair. They can be welded or joined using mechanical couplings, allowing for quick and efficient installation in mining sites. Their corrosion resistance also reduces the need for frequent maintenance and replacement, resulting in cost savings for mining companies. Overall, the superior mechanical properties and durability of ductile iron pipes make them a reliable and practical choice for use in mining applications.

Q:How are ductile iron pipes protected against external impact or loading?: Ductile iron pipes undergo various methods and measures to safeguard them against external impact or loading, guaranteeing their durability and integrity. Several common approaches are employed to protect ductile iron pipes, including: 1. Adequate Thickness and Strength: Ductile iron pipes are designed with ample wall thickness and high strength to withstand external loads and impacts. This design feature ensures that the pipes can endure heavy loads without deforming or cracking. 2. Implementation of Coatings: Ductile iron pipes are typically coated with protective layers to create an additional barrier against external impact. These coatings may comprise cement mortar lining, polyethylene encasement, or epoxy coatings. They not only grant impact resistance but also safeguard against corrosion. 3. Utilization of Proper Bedding and Backfilling Techniques: Proper techniques for bedding and backfilling are crucial in protecting ductile iron pipes from external loads. The correct placement of pipes within suitable materials, such as compacted granular bedding and backfill, helps distribute external loads evenly and minimizes the risk of pipe damage. 4. Consideration of Trench Design: The design of the trench in which ductile iron pipes are installed plays a vital role in safeguarding them against external impact. The dimensions of the trench, slope stability, and proper compaction of the backfill are all taken into account to reduce the likelihood of damage caused by external loads. 5. Implementation of Effective Pipe Layout and Support: Appropriate pipe layout and support are essential for protecting ductile iron pipes from external impact. Sufficient support mechanisms, including thrust blocks, pipe anchors, and pipe restraints, are utilized to absorb and distribute external loads, preventing any damage to the pipes. 6. Installation of Protective Structures: In areas where the risk of external impact is higher, additional protective structures are installed to safeguard ductile iron pipes. These structures may include concrete encasements, bollards, or reinforced concrete slabs, which act as physical barriers against potential impacts. In conclusion, a combination of factors, including pipe strength, coatings, proper installation techniques, and support measures, work together to ensure the protection of ductile iron pipes against external impact or loading. These measures enhance the longevity and reliability of the pipes, guaranteeing efficient performance in various applications.

Q:What is the ductile cast iron pipe: Should not have this conceptI make the ductile iron pipe, haven't heard of this thing only ductile iron pipe, ductile cast iron heard tube

Q:Are ductile iron pipes resistant to chemicals?: Yes, ductile iron pipes are generally resistant to chemicals. Ductile iron is a type of cast iron that has been alloyed with small amounts of magnesium to improve its strength and ductility. This alloying process enhances its resistance to corrosion and chemical attack. Ductile iron pipes have been widely used in various applications including water supply, wastewater treatment, and industrial piping systems where they may come into contact with a variety of chemicals. However, it is important to note that the resistance of ductile iron pipes to chemicals can vary depending on the specific type and concentration of the chemical involved. Therefore, it is advisable to consult the manufacturer or a qualified engineer to determine if ductile iron pipes are suitable for a particular chemical application.

Q:How are ductile iron pipes protected against internal corrosion caused by chemicals?: Ductile iron pipes are protected against internal corrosion caused by chemicals through the application of protective linings or coatings. These linings, such as cement mortar, polyethylene, or epoxy, create a barrier between the pipe and the corrosive chemicals, preventing direct contact and corrosion. Additionally, corrosion inhibitors can be added to the water or fluid being transported to further minimize the risk of internal corrosion. Regular inspection and maintenance also play a crucial role in identifying potential corrosion issues and taking appropriate preventive measures.

Q:Are ductile iron pipes suitable for wastewater pumping stations?: Yes, ductile iron pipes are suitable for wastewater pumping stations. Ductile iron has high tensile strength, durability, and corrosion resistance, making it ideal for handling the abrasive and corrosive nature of wastewater. Additionally, ductile iron pipes have excellent pressure-bearing capabilities, ensuring reliable and efficient operation in wastewater pumping stations.

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