DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN1800

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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 On Sale Made In China DN100

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:Why is the cast iron tube lined with cement? Under what circumstances are ductile iron pipes lined with cement, and under what circumstances do not have to be lined with cement?: Cement lining to protect water quality, reduce loss, improve the service life of the pipeline ductile, ductile iron pipes are generally lined, which the en545 standard specifies the quality of what kind of what kind of cement.

Q:Is the crankshaft material forged or ductile iron?: Cast iron can not be forged, only steel, malleable iron can not be forged, only the crankshaft is particularly hot, can not meet the strength of the hardening when forging

Q:How does ductile iron pipe perform in areas with high soil compaction?: Ductile iron pipe performs exceptionally well in areas with high soil compaction. One of the key advantages of ductile iron is its high strength and durability, which allows it to withstand heavy loads and pressures. In areas with compacted soil, where there is a greater likelihood of ground movement and settling, ductile iron pipe's superior structural integrity ensures that it remains intact and can effectively handle the stress. Additionally, ductile iron pipe has excellent resistance to corrosion. This is particularly important in areas with high soil compaction, as the compacted soil can often contain high levels of moisture or chemicals that may accelerate the corrosion process. Ductile iron's inherent resistance to corrosion helps maintain the pipe's integrity over time, even in challenging soil conditions. Another advantage of ductile iron pipe is its flexibility. This material has a high degree of flexibility, allowing it to absorb and distribute external loads more effectively. In areas with high soil compaction, where the ground may shift or settle, ductile iron's flexibility helps to minimize the risk of pipe failure or damage. Furthermore, ductile iron pipe has a smooth interior surface, which helps to improve its hydraulic performance. In areas with high soil compaction, where there may be limited space for proper compaction around the pipe, the smooth interior minimizes the risk of sediment buildup or clogging, ensuring efficient water flow. Overall, ductile iron pipe is an excellent choice for areas with high soil compaction. Its strength, corrosion resistance, flexibility, and hydraulic performance make it a reliable and durable option that can withstand the challenges posed by compacted soils.

Q:What is the difference between ductile iron pipes and cast iron pipes?: Ductile iron pipes and cast iron pipes are both commonly used in various applications, but they differ in their composition, properties, and manufacturing processes. Composition: Ductile iron pipes are made from a type of cast iron known as ductile iron, which contains higher levels of carbon, silicon, and other alloying elements like magnesium. On the other hand, cast iron pipes are made from regular cast iron, which has a higher carbon content and lower levels of alloying elements. Properties: Ductile iron pipes are known for their high tensile strength, flexibility, and durability. They can withstand higher pressure and have a greater resistance to impact, making them suitable for applications that require robust performance. In contrast, cast iron pipes are more brittle and fragile, which makes them prone to cracking or breaking under pressure or impact. Manufacturing process: Ductile iron pipes are created through a process called centrifugal casting, where molten ductile iron is poured into a spinning mold. This centrifugal force helps in distributing the molten metal evenly, resulting in a strong and uniform pipe. Cast iron pipes, on the other hand, are made using a process called sand casting, where molten cast iron is poured into a mold made of compacted sand. This method is less precise and can lead to variations in the final product. Applications: Due to their superior strength and flexibility, ductile iron pipes are commonly used in water and sewage systems, as well as in industrial pipelines that require high-pressure resistance. Cast iron pipes, on the other hand, are typically used in non-pressure applications like drainage systems or underground sewer lines. In summary, the main difference between ductile iron pipes and cast iron pipes lies in their composition, properties, manufacturing processes, and applications. Ductile iron pipes offer greater strength, flexibility, and durability, making them suitable for high-pressure applications, while cast iron pipes are more brittle and commonly used in non-pressure applications.

Q:The difference between ductile iron pipe and UPVC drain pipe: Centrifugal ductile iron pipe is ideal for urban water supply, gas pipelines, sets of high strength, good ductility and corrosion resistance advantages, performance with nature, iron and steel, is the replacement of the traditional cast iron pipe and common steel pipe renewal;

Q:Do ductile iron pipes require additional protection against external factors?: It is necessary to provide extra protection for ductile iron pipes due to external factors. Despite being strong and durable, ductile iron pipes are susceptible to corrosion and other threats that can cause pipe failure. The primary external factor that ductile iron pipes require protection from is corrosion. Corrosion can weaken the pipe over time and is caused by certain chemicals present in soil or water. To prevent corrosion, ductile iron pipes are often coated with substances like polyethylene or zinc. This coating acts as a barrier, safeguarding the pipe against corrosive elements and prolonging its lifespan. In addition to corrosion, ductile iron pipes may also need protection against physical damage. These pipes are typically buried underground, making them vulnerable to forces like heavy machinery, ground movement, and vandalism. To protect against physical damage, ductile iron pipes can be encased in concrete or surrounded by a protective sleeve or casing. Furthermore, ductile iron pipes may require protection against soil conditions that can lead to pipe movement or shifting. In areas with unstable soil, it may be necessary to implement measures such as proper bedding and backfilling techniques, as well as the use of anchoring devices. These measures ensure the stability and integrity of the pipes. To conclude, although ductile iron pipes are strong, they still need additional protection against external factors. This includes preventing corrosion, protecting against physical damage, and addressing soil conditions. By implementing these protective measures, the lifespan and performance of ductile iron pipes can be significantly extended, ensuring the reliable transportation of water and other fluids.

Q:How are leaks repaired in ductile iron pipe?: Leaks in ductile iron pipe are typically repaired by cleaning and preparing the area around the leak, applying a suitable sealant or epoxy, and then securely fastening a repair clamp over the affected area. This clamp provides a tight seal and prevents any further leakage.

Q:What are the different types of linings available for ductile iron pipe?: There are several different types of linings available for ductile iron pipe, each with its own advantages and applications. 1. Cement mortar lining: This is one of the most common linings used for ductile iron pipes. It consists of a layer of cement mortar applied to the interior surface of the pipe. Cement mortar lining provides excellent resistance to corrosion and chemical attack, making it suitable for a wide range of applications, including potable water distribution, wastewater conveyance, and industrial pipelines. It also helps to reduce friction and turbulence within the pipe, improving flow efficiency. 2. Polyethylene lining: Polyethylene linings are often used in ductile iron pipes for applications where corrosion resistance is a primary concern. This lining consists of a layer of high-density polyethylene (HDPE) that is either extruded or sprayed onto the pipe's inner surface. Polyethylene lining provides superior resistance to corrosion, abrasion, and chemical attack, making it ideal for transporting aggressive fluids, such as saltwater, chemicals, or industrial waste. 3. Polyurethane lining: Polyurethane linings are commonly used in ductile iron pipes for applications where enhanced protection against abrasive wear is required. This lining is formed by spraying or pouring a layer of polyurethane onto the inner surface of the pipe. Polyurethane lining offers excellent resistance to abrasion, impact, and chemical attack, making it suitable for conveying abrasive slurries, mining applications, and other high-wear environments. 4. Epoxy lining: Epoxy linings are applied to ductile iron pipes to provide a protective barrier against corrosion and chemical attack. This lining is typically formed by applying a layer of epoxy resin to the pipe's inner surface through a process known as centrifugal casting or electrostatic spraying. Epoxy lining offers excellent adhesion and resistance to corrosion, making it suitable for various applications, including potable water distribution, wastewater treatment, and industrial pipelines. 5. Zinc lining: Zinc linings are used in ductile iron pipes to provide cathodic protection against corrosion. This lining involves applying a layer of zinc to the pipe's inner surface, either through hot-dip galvanizing or by electroplating. Zinc lining acts as a sacrificial anode, corroding preferentially to the iron pipe and protecting it from corrosion. It is commonly used in applications where the pipe is exposed to highly corrosive environments, such as seawater or acidic soils. Overall, the choice of lining for ductile iron pipes depends on the specific requirements of the application, including the type of fluid being transported, the level of corrosion resistance needed, and the potential for abrasive wear. Consulting with industry experts and considering factors such as cost, longevity, and maintenance requirements can help determine the most suitable lining option for a particular project.

Q:What are the meanings of cast iron pipe wall thicknesses LA, A and B respectively?: Cast iron pipes (Cast, Iron, Pipe), cast cast pipe. 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:Ductile iron 600-3 grade, tensile strength, how to test, there is a simple way?: 600-3 is pearlite + a small amount of ferrite matrix ductile iron. Pearlite edge region. 10%, center. 70600-3. Two sets of numbers indicating the grades and mechanical properties of nodular cast iron. The former represents the minimum tensile strength

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