Ductile Iron Pipe ISO2531:1998 C CLASS DN800

Ductile Iron Pipe ISO2531:1998 C CLASS DN800 System 1

Ductile Iron Pipe ISO2531:1998 C CLASS DN800

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Loading Port:: China main port

Payment Terms:: TT or LC

Min Order Qty:: 20 m.t.

Supply Capability:: 50000 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. Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
2. Standard: ISO 2531, EN545, EN598, ANSI, AWWA
3. Certificate: ISO9001, ISO14001, SGS, NSF, WRAS
4. Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
5. Length: 6m or cut into 5.6m, 5.7m, 5.8m
6. Internal Lining: Cement, conform to ISO4179
7. External coating: Zinc + Bitumen, conform to ISO8179

3.Ductile Iron Pipe Images:

Ductile Iron Pipe ISO2531:1998 C CLASS DN800

4.Ductile Iron Pipe Specification:
Model Number: DN80-1600
Length: 6M/5.7M/NEGOTIATED
Standard: ISO2531 / EN545
Application: Potable/Sewage Water
Diameter: DN80-1600
Shape: Round
Hardness: 230
Pipe Wall Thickness: standerd
Pull Strength: 420
Yield (≥ MPa): 300

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: How do ductile iron pipes handle pressure surges in pumping stations?: Ductile iron pipes are specifically designed to handle pressure surges in pumping stations effectively. The inherent strength and flexibility of ductile iron make it well-suited to withstand the sudden increase in pressure that can occur during pump start-up or shutdown. One of the key features of ductile iron pipes is their ability to absorb and dissipate energy. When a pressure surge occurs, the ductile iron pipes have the capacity to absorb the excess pressure and distribute it evenly throughout the pipe network. This helps to minimize the impact of the surge and prevent any potential damage to the pipes or the pumping station. Additionally, ductile iron pipes have a high resistance to impact and stress, which further enhances their ability to handle pressure surges. The pipes are manufactured using a unique process that imparts strength and durability, allowing them to withstand the forces exerted during pressure fluctuations without any significant deformation or failure. Furthermore, ductile iron pipes have a smooth internal surface, which reduces friction and turbulence within the pipe network. This smooth flow characteristic helps to mitigate the effects of pressure surges by allowing the water to move efficiently without creating additional stress on the pipes. In summary, ductile iron pipes are specifically engineered to handle pressure surges in pumping stations by absorbing and dissipating the excess pressure, withstanding the impact and stress, and promoting smooth flow. Their robustness and reliability make them an ideal choice for applications where pressure fluctuations are common, ensuring the longevity and efficiency of the pumping infrastructure.

Q: Are there any special coatings or linings used for ductile iron pipes?: Yes, there are special coatings and linings used for ductile iron pipes. These coatings are applied to the interior and exterior surfaces of the pipes to protect them from corrosion and extend their lifespan. Common coatings include cement mortar lining, epoxy lining, and polyethylene encasement. These protective layers help prevent the formation of rust and scale, ensuring the durability and longevity of ductile iron pipes.

Q: How are ductile iron pipes protected against external corrosion?: Ductile iron pipes are protected against external corrosion through a combination of manufacturing processes and external coatings. The first line of defense is the inherent corrosion resistance of ductile iron itself. The iron is treated with a special alloying element, typically magnesium, which forms a protective layer on the surface of the pipe. This layer acts as a barrier against corrosion and helps to extend the lifespan of the pipe. In addition to the corrosion-resistant properties of the iron, ductile iron pipes are also externally coated with protective materials. One common method is to apply a layer of asphaltic or bituminous coating to the pipe's surface. This coating acts as a barrier against moisture and corrosive substances in the soil, preventing them from coming into contact with the iron. It also provides a layer of insulation, reducing the likelihood of galvanic corrosion. Another method of external corrosion protection is the use of fusion-bonded epoxy (FBE) coatings. FBE is a thermosetting resin that is applied to the surface of the pipe and then heat-cured to form a strong and durable coating. This coating provides excellent resistance against corrosion, abrasion, and impact, making it a popular choice for ductile iron pipes in harsh environments. In some cases, additional protective measures such as cathodic protection systems may be employed. These systems use electric currents to counteract the corrosion process by supplying electrons to the pipe's surface. This helps to prevent corrosion from occurring, especially in areas where the coating may have been damaged or compromised. Regular maintenance and inspection are also crucial in ensuring the long-term protection of ductile iron pipes against external corrosion. This includes periodic cleaning, repair of any coating damages, and monitoring the integrity of the protective layers. Overall, the combination of the inherent corrosion resistance of ductile iron, external coatings, and maintenance practices ensures that ductile iron pipes are well-protected against external corrosion, allowing them to have a longer lifespan and deliver reliable performance in various applications.

Q: What are the typical installation methods for ductile iron pipe?: The typical installation methods for ductile iron pipe include trenching, horizontal directional drilling, and jacking. In trenching, a trench is excavated and the pipe is laid and supported on a bed of aggregate. Horizontal directional drilling involves drilling a pilot hole underground and then pulling the pipe through the hole. Jacking is a method where the pipe is pushed into the ground using hydraulic jacks.

Q: How are ductile iron pipes protected against internal corrosion?: Ductile iron pipes are protected against internal corrosion through a combination of various preventive measures. One of the primary methods is the application of a protective coating on the inner surface of the pipe. This coating acts as a barrier between the pipe and the transported fluid, preventing direct contact and minimizing the chances of corrosion. Another common method used is the application of a cement mortar lining. This lining further enhances the protective barrier, reducing the likelihood of corrosion even in aggressive environments. The cement mortar also provides a smooth surface, reducing friction and improving the flow of water or other fluids through the pipe. In addition to coatings and linings, ductile iron pipes are often designed with corrosion-resistant alloys or additives. These alloys, such as zinc or epoxy, are added during the manufacturing process and provide an extra layer of protection against internal corrosion. They act as sacrificial anodes, corroding over time to protect the underlying iron from degradation. Regular maintenance and inspection are also crucial in protecting ductile iron pipes against internal corrosion. Monitoring the condition of the protective coatings, identifying any signs of degradation or damage, and promptly addressing any issues are essential to ensure the long-term integrity of the pipes. Overall, a combination of protective coatings, cement mortar linings, corrosion-resistant alloys, and regular maintenance efforts work together to effectively protect ductile iron pipes against internal corrosion, extending their lifespan and ensuring the safe transportation of fluids.

Q: Method for cutting cast iron pipe: Generally cast iron pipe wall thickness, crisp texture, with traditional saw blade, saw blade cutting, very expensive cutting materials, and cutting accuracy is not high. Nowadays, the cutting tools and cutting machines on the market cut off these kinds of pipes, which are fast and cutting tools. Because the length of the pipe is not cut, the pipe can be continuously cut for a while after the equipment is loaded on the equipment. The worker can spare more time and can realize the operation of more than one machine, thus greatly improving the cutting efficiency. Rotary tool pipe cutting machine cutting cast iron pipe sawdust granular, easy chip removal, cutting section of vertical high, smooth surface without burr. The current equipment has been widely used in cast iron pipe cutting, especially iron pipe cutting, even cylinder car production.

Q: Can ductile iron pipes be used for conveying gases?: Yes, ductile iron pipes can be used for conveying gases. Ductile iron is a strong and durable material that can withstand high pressure and temperature variations, making it suitable for transporting gases. Additionally, ductile iron pipes have excellent corrosion resistance, which is important when dealing with potentially corrosive gases. However, it is crucial to ensure that the specific type of gas being conveyed is compatible with ductile iron to prevent any chemical reactions or damage to the pipes. Proper engineering design and material selection should be considered to ensure the safe and efficient conveyance of gases through ductile iron pipes.

Q: Can ductile iron pipes be used for gas distribution systems?: Certainly, gas distribution systems can utilize ductile iron pipes. The utilization of ductile iron pipes in various infrastructure applications, such as gas distribution systems, is widespread due to their exceptional qualities, including strength, durability, and resistance to corrosion. These pipes are engineered to withstand the high-pressure flow of gas and are suitable for installations both above and below ground. Furthermore, ductile iron pipes exhibit remarkable resistance to external loads, minimizing the risk of damage or fracture, thereby establishing them as a dependable and secure choice for gas distribution systems. Nevertheless, it is crucial to ensure that the pipes receive proper coating and protection against any potential corrosive elements present in the gas or soil to guarantee their longevity and optimal performance.

Q: What is the difference between a PE fire hose and a ductile iron pipe?: Cast iron pipe: cast pipe made of cast iron. Cast iron pipes are used for water supply, drainage and gas transmission lines. They include cast iron pipes and pipe fittings. Labor intensity is small. According to the casting method, it is divided into continuous cast iron pipe and centrifugal cast iron pipe, in which the centrifugal cast iron pipe is divided into sand mould and metal type two kinds. Divided into gray cast iron pipe and nodular cast iron pipe according to different material. According to the interface form, it is divided into flexible interface, flange interface, self anchored interface, rigid interface and so on. Among them, the flexible iron pipes rubber sealing ring; flange interface cast iron pipe flange fixed in the rubber pad, the flange gasket sealing; rigid interface cast iron pipe socket is large, straight pipe is inserted, sealed with cement, this technology has been basically eliminated.

Q: Can ductile iron pipes be used for gas distribution networks?: Indeed, gas distribution networks can utilize ductile iron pipes. Renowned for their robustness, longevity, and corrosion resistance, these pipes are well-suited for diverse purposes, including gas distribution. Their ability to endure high-pressure conditions and resist cracking or fracturing under strain further enhances their appeal. Moreover, ductile iron pipes boast an extended lifespan, minimizing the necessity for frequent replacements and upkeep. Nevertheless, it is crucial to emphasize the adherence to particular regulations and standards during the installation of ductile iron pipes for gas distribution, guaranteeing adequate safety precautions and conformity with industry directives.

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