DUCTILE IRON PIPE AND PIPE FITTINGS CCLASS DN1500

DUCTILE IRON PIPE AND PIPE FITTINGS CCLASS DN1500

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 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:Are ductile iron pipes suitable for irrigation systems in agricultural fields?: Yes, ductile iron pipes are suitable for irrigation systems in agricultural fields. Ductile iron pipes have excellent strength, durability, and corrosion resistance, making them ideal for carrying water in irrigation systems. They can withstand high pressure and heavy loads, ensuring reliable water supply to agricultural fields for irrigation purposes.

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:What is the internal lining used in ductile iron pipes?: The internal lining used in ductile iron pipes is typically a cement mortar lining.

Q:What is the typical lifespan of ductile iron pipe?: The typical lifespan of ductile iron pipe is around 50 to 100 years, depending on various factors such as the quality of installation, maintenance practices, and environmental conditions.

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 a slide in type T flexible interface?: There are many kinds of cast iron pipe interface. The commonly used interfaces include sliding type (T type) flexible interface, mechanical type (K type) flexible interface, mechanical type (NII type, SII type) flexible interface, flange type interface and special interfaceSliding type (T type) flexible interfaceSlide type (T type) flexible interface as shown below. The ductile interface is widely used in the DN I000mm following the cast iron pipe, has the advantages of simple structure, convenient installation, good sealing characteristics. In the socket structure considering the location of the rubber ring and the deflection angle, this interface can adapt to deformation a certain foundation, has certain anti vibration ability, at the same time using the deflection angle of the long distance pipeline to achieve steering.

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:Why is the sound speed of nodular cast iron lowered after heat treatment?: After the heat treatment, the microstructure of the material changes, the graphite changes, eliminating the internal stress of molecules, thus slowing down the speed.

Q:Are ductile iron pipes suitable for bridge piers or abutments?: Yes, ductile iron pipes are suitable for bridge piers or abutments. Ductile iron is known for its high strength and durability, making it a reliable choice for supporting heavy loads in bridge construction. Additionally, ductile iron pipes are corrosion-resistant, which is crucial for structures exposed to moisture and environmental factors.

Q:How do ductile iron pipes perform in cold weather conditions?: The exceptional performance of ductile iron pipes in cold weather conditions is well-known. Unlike cast iron or PVC, ductile iron exhibits remarkable resistance to low temperatures. This resistance is primarily attributed to its unique microstructure, which enables it to maintain its structural integrity even in extreme weather conditions. In freezing temperatures, ductile iron pipes demonstrate a low coefficient of thermal expansion, meaning they do not contract or expand significantly with changes in temperature. This characteristic ensures their stability and prevents cracking or bursting. Additionally, the high impact resistance of ductile iron further enhances its ability to withstand the stress imposed by cold weather conditions. Moreover, ductile iron pipes are equipped with a protective lining, typically composed of cement mortar or epoxy. This lining acts as an additional barrier against the effects of cold weather, preventing the formation of ice on the inner surface of the pipes. Consequently, the risk of blockages or reduced flow capacity is greatly reduced. In conclusion, ductile iron pipes are a reliable choice for cold weather conditions. Their durability, low thermal expansion, and protective lining make them highly resistant to the challenges posed by freezing temperatures. Whether used for water supply, sewer systems, or other applications, ductile iron pipes have consistently proven their effectiveness even in the harshest winter climates.

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