DUCTILE IRON PIPES & PIPE FITTINGS DN100

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 30000 m.t/month

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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:Ductile iron gears are generally treated without heat treatment: Heat treatment must be necessary, generally annealed first to machine, after quenching or nitriding treatment

Q:What are the advantages of using ductile iron pipe over HDPE pipe?: Ductile iron pipe offers several advantages over HDPE pipe. Firstly, it has a higher strength and durability, making it suitable for high-pressure and heavy-duty applications. Secondly, it has better resistance to external loads, such as traffic or soil pressure. Additionally, ductile iron pipe has superior fire resistance and is less susceptible to damage from UV rays. Moreover, it has a longer lifespan and requires less maintenance compared to HDPE pipe. Lastly, ductile iron pipe has better flow characteristics, resulting in lower energy consumption for pumping systems.

Q:How are ductile iron pipes protected against erosion caused by high-velocity flow?: Ductile iron pipes are protected against erosion caused by high-velocity flow through various methods. One common approach is to apply an internal lining to the pipe, which can be made of materials such as cement mortar or polyethylene. This lining provides a smooth surface that reduces the friction and turbulence of the flowing water, thus minimizing the erosion potential. Additionally, external coatings, such as bitumen or epoxy, can be applied to protect the outer surface of the pipe from erosion caused by external factors like soil movement or abrasive materials. Regular inspection and maintenance of the pipes also play a crucial role in identifying and addressing any erosion-related issues to ensure their long-term durability.

Q:Are ductile iron pipes resistant to soil movement?: Yes, ductile iron pipes are generally resistant to soil movement due to their high tensile strength and flexibility. They can withstand ground settlement, soil shifting, and other forms of soil movement without experiencing significant damage or failure.

Q:Can ductile iron pipe be repaired if it gets damaged?: Yes, ductile iron pipe can be repaired if it gets damaged. The repair process involves cutting out the damaged section of the pipe and replacing it with a new section. This is typically done by using a specialized tool called a pipe cutter to make a clean cut on both sides of the damaged area. The damaged section is then removed, and a new section of ductile iron pipe is securely connected using mechanical couplings or welding. It is important to ensure that the repair is performed following the manufacturer's guidelines and industry standards to maintain the integrity and functionality of the pipe.

Q:What is the expected fire resistance of ductile iron pipes?: The fire resistance of ductile iron pipes can vary based on factors such as pipe wall thickness, installation quality, and surrounding conditions. However, in general, ductile iron pipes exhibit high fire resistance due to their durable and heat-resistant composition. Ductile iron is created by adding a small amount of magnesium to cast iron, which enhances its strength and flexibility. This results in ductile iron pipes being less prone to cracking or breaking under high temperatures compared to materials like PVC or HDPE pipes. Regarding fire resistance, ductile iron pipes can endure high temperatures for a prolonged period without significant structural damage. They have undergone testing and have been proven to maintain their integrity in fire situations for 2-4 hours, depending on the specific pipe design and installation. It is important to note that while ductile iron pipes possess high fire resistance, they are not fireproof. In the event of a fire, it is vital to adhere to proper fire safety procedures and seek advice from professionals to ensure the safety of the system and surrounding infrastructure.

Q:Can ductile iron pipe be used for nuclear power plants?: Yes, ductile iron pipe can be used for certain applications in nuclear power plants, particularly in non-safety-related systems such as cooling water, fire protection, or ancillary service pipelines. However, for safety-related systems that involve high-pressure or high-temperature conditions, materials with higher performance characteristics such as stainless steel or alloy materials are typically preferred.

Q:Can ductile iron pipes be used for underground fuel storage systems?: Yes, ductile iron pipes can be used for underground fuel storage systems. Ductile iron is a type of cast iron that possesses superior strength, durability, and flexibility compared to traditional cast iron pipes. These properties make ductile iron pipes suitable for various applications, including underground fuel storage systems. Ductile iron pipes are resistant to corrosion, which is essential for underground storage systems that may come into contact with various fuels and chemicals. Additionally, their high tensile strength and resilience allow them to withstand external pressure and loading, ensuring the integrity and safety of the underground storage system. Furthermore, ductile iron pipes have a long lifespan, typically lasting for several decades, making them a cost-effective choice for underground fuel storage systems. They can handle the weight of the stored fuel and any potential ground movements, maintaining the structural integrity of the system over time. However, it is important to note that the suitability of ductile iron pipes for underground fuel storage systems may also depend on other factors, such as local regulations, soil conditions, and the specific fuel being stored. It is always recommended to consult with professionals and adhere to applicable guidelines when designing and installing such systems to ensure compliance and safety.

Q:What are the different types of valves available for ductile iron pipe?: There are several types of valves available for ductile iron pipe, including gate valves, butterfly valves, check valves, ball valves, and globe valves.

Q:What are the typical applications for ductile iron pipes?: Due to their unique properties and advantages, ductile iron pipes are commonly utilized in a wide range of applications. Some of the typical uses for these pipes include the following: 1. Water Supply Systems: Ductile iron pipes are extensively employed in municipal water distribution networks and other water supply systems. They are highly resistant to corrosion and possess remarkable durability. Their ability to withstand high pressure and provide a long service life makes them ideal for transporting potable water. 2. Wastewater and Sewage Systems: Ductile iron pipes are also widely utilized in wastewater and sewage systems. Their strength and resistance to chemical corrosion enable them to effectively transport sewage and other wastewater. These pipes are commonly found in underground sewer lines, sewer force mains, and wastewater treatment plants. 3. Industrial Applications: Ductile iron pipes find applications in various industrial sectors. They are commonly used for transporting different types of fluids, such as chemicals, slurries, and abrasive substances. Their strength, toughness, and resistance to external loads make them suitable for industrial pipelines in power plants, refineries, and mining operations. 4. Irrigation Systems: Ductile iron pipes are frequently employed in irrigation systems for agricultural purposes, landscaping, and golf courses. These pipes can withstand high water pressure and provide a reliable solution for transporting water over long distances. Their corrosion resistance ensures that water quality is maintained, while their durability reduces the need for frequent maintenance. 5. Fire Protection Systems: Ductile iron pipes are widely used in fire protection systems, including sprinkler systems and fire hydrants. Their strength and ability to withstand high pressure make them suitable for quickly delivering water during fire emergencies. Additionally, these pipes are resistant to heat, making them a reliable choice for fire protection applications. In conclusion, ductile iron pipes are versatile and extensively used in various applications, including water supply systems, wastewater and sewage systems, industrial pipelines, irrigation systems, and fire protection systems. Their durability, corrosion resistance, and ability to withstand high pressure make them a preferred choice for these applications.

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