• Ductile Iron Pipe On Sale Made In China DN350 System 1
  • Ductile Iron Pipe On Sale Made In China DN350 System 2
  • Ductile Iron Pipe On Sale Made In China DN350 System 3
  • Ductile Iron Pipe On Sale Made In China DN350 System 4
Ductile Iron Pipe On Sale Made In China DN350

Ductile Iron Pipe On Sale Made In China DN350

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m
Supply Capability:
10000 m/month

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1.Packaging & Delivery

Packaging Detail:

DN80-300 bundled with steel belt ( the bundle size see the product detail part) DN400-1200 are in bulk

Delivery Detail:

at least 5days for MOQ

2.Specifications

Ductile iron pipe comply with ISO2531/EN545
1)We are factory
2)Best quality
3)Competive price
4)On time delivery

3.Features:

  • Facilitating high resistance to loadings, pressure and vacuum with high tensile strength,

  • Enabling high resistance to corrosion,

  • Not requiring cathodic protection,

  • Less operating cost since cast pipes have larger nominal diameter than polyethylene pipes.

  • Being the best pipe in case of an earthquake, with its ability of resilience and resistance to impacts without deformation,

  • Long product life, exceeding 50 years,

  • Preserving the quality of water with healthy interior coating.

 4.Applied Standards:

General Design

ISO 2531
EN 545
EN 598

Internal Lining

ISO 4179

External Coating

ISO 8179

Polyethylene Coating (Optional)

ISO 8180

 5.Joint Types:

Push-on Type

TYT Type

Standard Type

6. Diameters:

Pipes

Ø80 – Ø1200 mm (L = 6m, and 5.7m)

Fittings

Ø80 - Ø2200 mm

7. Wall Thickness:

Pipes

C and K classes

Fittings

Class K10 - K12

 8.Test Pressures:

Pipes

for Ø80 - Ø300 mm

50 bar / 40 bar

for Ø350 - Ø600 mm

40 bar / 30 bar

for Ø700 - Ø1000 mm

32 bar / 25 bar

for Ø1100 - Ø2600 mm

25 bar

 

Fittings

for Ø40 - Ø300 mm

25 bar (*)

for Ø350 - Ø600 mm

16 bar

for Ø700 - Ø2600 mm

10 bar

(*16 bar for fittings with PN10 flanges)

 

9.Materials:

Pipe

Ductile iron casting, minimum 420 MPa tensile strength

Internal Lining

Concrete Lining, ISO 4179

Socket Internal 10.Lining

200 micron epoxy coating

External Coating

70 micron bitumen coating on 130 gr/m2 zinc coating, ISO 8179
70 micron bitumen coating on 200 gr/m2 Zn-Al coating (optional)

 

Fittings

Ductile iron casting, minimum 420 MPa tensile strength

Internal Lining

Concrete Lining, ISO 4179
Epoxy Coating (optional)

External Coating

70 micron bitumen coating on 130 gr/m2 zinc coating, ISO 8179
200 micron epoxy coating on 200 gr/m2 Al-Zn coating

 

Ductile Iron Pipe On Sale Made In China DN350Ductile Iron Pipe On Sale Made In China DN350

Q: What is the maximum allowable joint deflection for ductile iron pipes?
The maximum allowable joint deflection for ductile iron pipes varies based on the specific design and application requirements. However, it is generally recommended to limit joint deflection to a maximum of 5% of the pipe diameter to ensure the structural integrity and longevity of the pipeline.
Q: What are the different joint restraint systems available for ductile iron pipe?
There are several different joint restraint systems available for ductile iron pipe. These systems are designed to prevent movement and separation of the pipe at the joints, ensuring a secure and leak-free connection. Some of the common joint restraint systems for ductile iron pipe include: 1. Mechanical Joint Restraint: This system consists of a mechanical joint adapter and a restraining gland that provides axial restraint. The joint adapter is bolted to the pipe, while the restraining gland is bolted to the adjacent pipe or structure, preventing any movement. 2. Push-on Joint Restraint: In this system, a push-on joint is used along with a restraining gland that is bolted to the pipe or structure. The gland provides axial restraint by gripping the pipe and preventing it from moving. 3. Flex-Ring Joint Restraint: This system utilizes a flexible rubber ring that is installed inside the pipe's bell. The ring provides radial restraint by expanding against the pipe, ensuring a tight and secure connection. 4. Harness Joint Restraint: This system consists of a harness that is wrapped around the pipe and connected to a restraining gland. The harness provides both axial and radial restraint, keeping the pipe in place and preventing any movement. 5. Grip-Lock Joint Restraint: This system utilizes a wedge-shaped restraint that is inserted into the pipe's bell. The wedge expands and locks into place, providing both axial and radial restraint. 6. Restrained Joint System: This system incorporates a combination of mechanical and flexible joint restraints. It typically includes a mechanical joint adapter, a flexible joint restraint, and a restraining gland, providing both axial and radial restraint. These joint restraint systems are designed to meet specific application requirements and are often specified by engineers based on factors such as pipe diameter, operating pressure, and soil conditions. Each system has its own advantages and limitations, and the selection depends on the specific project needs and constraints.
Q: What are the advantages of using ductile iron pipes?
There are several advantages of using ductile iron pipes in various applications. Firstly, ductile iron pipes have a high strength-to-weight ratio, making them a cost-effective choice for transporting fluids or gases. They can withstand high internal and external pressures, ensuring reliable and efficient transportation of materials. Secondly, ductile iron pipes have excellent corrosion resistance. They are resistant to rust and other forms of corrosion, which extends their lifespan and reduces maintenance costs. This makes them suitable for underground and underwater applications where corrosive elements are present. Additionally, ductile iron pipes have superior ductility, meaning they can withstand heavy external loads and impacts without cracking or breaking. This makes them less susceptible to damage during installation or when exposed to harsh environmental conditions. Moreover, ductile iron pipes have excellent flow characteristics. Their smooth inner surface minimizes friction and pressure losses, resulting in efficient fluid flow and reduced pumping costs. This is especially advantageous in applications where high flow rates or long-distance transportation is required. Furthermore, ductile iron pipes are environmentally friendly. They are made from recycled materials and can be recycled themselves, reducing the demand for raw materials and minimizing environmental impact. Additionally, their long service life minimizes the need for frequent replacements, further reducing waste generation. Lastly, ductile iron pipes have versatile installation options. They can be installed using various techniques such as trenchless methods, which minimize disruption to the surrounding environment and reduce installation costs. Their adaptability and ease of installation make them a preferred choice for various construction projects. Overall, the advantages of using ductile iron pipes include their high strength, corrosion resistance, ductility, flow characteristics, environmental friendliness, and versatile installation options. These factors make them a reliable and cost-effective choice for numerous applications in various industries.
Q: How do ductile iron pipes handle thermal expansion and contraction?
Ductile iron pipes are known for their excellent ability to handle thermal expansion and contraction. This is mainly due to their unique composition and design which allows them to withstand changes in temperature without experiencing significant damage or deformation. Thermal expansion occurs when a material expands due to an increase in temperature, while thermal contraction refers to the contraction that occurs when a material cools down. Ductile iron pipes can effectively accommodate these changes in temperature by utilizing their inherent flexibility and strength. One of the key factors that enable ductile iron pipes to handle thermal expansion and contraction is their high ductility, which refers to their ability to deform without breaking. This ductility allows the pipes to absorb the expansion and contraction forces without cracking or rupturing. Moreover, the composition of ductile iron pipes includes graphite nodules, which act as microcracks that can absorb stress and prevent the material from fracturing. This unique microstructure enhances the pipes' resistance to thermal expansion and contraction. In addition, ductile iron pipes are often designed with joints that allow for limited movement. These joints, such as mechanical joints or push-on joints, can accommodate the expansion and contraction of the pipes by providing a certain degree of flexibility. This helps to prevent the pipes from becoming overstressed or damaged. Overall, ductile iron pipes are specifically engineered to handle thermal expansion and contraction effectively. Their high ductility, unique microstructure, and joint design make them a durable and reliable choice for applications where temperature variations are expected.
Q: Can ductile iron pipes be used for pressure reducing stations?
Yes, ductile iron pipes can be used for pressure reducing stations. Ductile iron pipes have high strength and durability, making them suitable for handling high-pressure systems. Additionally, their corrosion resistance properties make them a reliable choice for long-term use in pressure reducing stations.
Q: Are ductile iron pipes suitable for gravity sewer systems?
Indeed, gravity sewer systems find suitability in the utilization of ductile iron pipes. Numerous properties possessed by ductile iron pipes render them highly compatible with this specific application. To commence, the high tensile strength of ductile iron pipes allows them to endure the weight exerted by the soil and other burdens imposed on them within a gravity sewer system. Consequently, these pipes can effectively resist deformation and maintain their structural integrity over an extended period. Moreover, the exceptional corrosion resistance exhibited by ductile iron pipes proves to be of utmost importance in sewer systems, which are frequently exposed to severe and corrosive surroundings. In this regard, the corrosion resistance of ductile iron pipes guarantees their long-term durability, thereby minimizing the necessity for maintenance and repairs. Additionally, the presence of a smooth internal surface in ductile iron pipes permits the efficient flow of wastewater within gravity sewer systems. A smooth surface reduces friction and prevents the accumulation of debris and sediment, thereby diminishing the likelihood of blockages and enhancing the overall performance of the system. Furthermore, the high resistance of ductile iron pipes to external forces, such as ground movements or heavy traffic, renders them highly dependable for gravity sewer systems where the pipes may encounter various external stresses. In conclusion, the amalgamation of properties encompassing high tensile strength, corrosion resistance, smooth internal surface, and resistance to external forces establishes ductile iron pipes as a suitable and reliable choice for gravity sewer systems.
Q: Are ductile iron pipes suitable for use in chemical processing plants?
Ductile iron pipes can be used in chemical processing plants. This type of cast iron, known as ductile iron, has improved mechanical properties that make it resistant to corrosion and suitable for handling various chemicals in industrial settings. It is recognized for its durability, flexibility, and high tensile strength, allowing it to withstand the often present high-pressure and temperature conditions in chemical processing plants. Moreover, ductile iron pipes have a smooth internal surface, reducing friction and the possibility of flow blockages or contamination. In conclusion, ductile iron pipes are a dependable and cost-effective option for transporting chemicals in chemical processing plants.
Q: Can ductile iron pipe be used in high-pressure applications?
Yes, ductile iron pipe can be used in high-pressure applications. Ductile iron pipe has excellent tensile strength and is capable of withstanding high pressure levels. It is often used in water and wastewater systems, as well as in oil and gas pipelines where high-pressure conditions are present.
Q: Ductile iron pipe length is generally much
The water-cooled metal ductile iron pipe has a single length of 6 meters, and the current mainstream ductile tubes are water-cooled metal ductile iron pipes.
Q: Can ductile iron pipes be used for underground river crossings?
Yes, ductile iron pipes can be used for underground river crossings. Ductile iron pipes have excellent strength and durability, making them suitable for various applications, including underground river crossings. They have high tensile strength and are resistant to corrosion and external loads, making them an ideal choice for such installations.

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