Self-restrained Joint Ductile Iron Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 Metric Ton m.t.
- Supply Capability:
- 300000 Metric Tons per Year m.t./month
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Overview of Ductile Iron Pipe
Ductile cast iron, also called ductile iron, spheroidal graphite iron, or nodular cast iron, is a type of cast iron invented in 1943. While most varieties of cast iron are brittle, ductile cast iron is much more flexible and elastic, due to its nodular graphite inclusions.
Graphite particles exist in the form of sphericity in ductile cast iron. Sizes graphite particle are restricted to 6 -7 class and spheroidizing rate should not be less than 80%. Thus after the spheroidizing process, ductile iron will be endowed with mechanical properties of both cast iron and steel.
Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water supply and sewerage design. Ductile cast iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel. Ductile Iron Pipe is the most widely-used pipeline product in water supply and water drain/sewage projects.
General introduction of Self-restrained Joint Ductile Iron Pipe
•Material : Ductile Cast Iron
•Size Range : DN 80mm to DN 1200mm
•Unit Effective Length : 6m or 5.7m or negotiable
•Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007
•Annual capacity : 300,000 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.
Mechanical Properties
|
Item |
Tensile Strength (N/mm2) |
Elongation(%) |
Proof Stress (N/mm2) |
Hardness HB | ||
|
DN80 TO DN2600 |
DN80 TO DN1000 |
DN1100 TO DN2000 |
DN80 TO DN1000 |
DN100 TO DN2000 | ||
|
Pipe |
≥420 |
≥10 |
≥7 |
≥270 |
≥300 |
≤230 |
|
Fittings |
≥420 |
≥5 |
≥300 |
≤250 | ||
Standard Lining and Coating
External Protection
Metallic zinc complying with the standard ISO8179,and bitumen,or special protective coating according to the customer’s requirement.
Notes:
. Pipes and fittings conform to the requirements of International Standard ISO 2531,British Eurpean Standard BS
. EN545,and their extensions. If information given in English and Chinese differs,the English version prevails.
. Dimensions and masses of pipes and fittings are approximate and are for refererces only;accurate dimensions and
. masses should be confirmed with us at the time of placing order. Flanged joint pipes and fittings are generally
. available with PN10,PN16 and PN25. Socketed joint pipes and fittings generally available with T type and K type joints.
Features of Self-restrained Joint Ductile Iron Pipe:
. Ductile Iron Pipe offers proven reliability and the quality.
. It is quick and easy installation.
. The ductile iron pipe has high pressure capability.
Application:
Used for water and sewer lines.
Production Process
Much of the production of ductile iron is in the form of ductile cast iron pipe, used for water supply and sewerage design. Ductile iron pipe is stronger and easier to tap, requires less support and provides greater flow area compared with pipes made from other materials like PVC, concrete, polyethylene or steel.
Specification of Self-restrained Joint Ductile Iron Pipe:
Standard wall thickness of Self-restrained Joint Ductile Iron Pipe
|
Nominal Diameter |
Wall Thickness(mm) | ||||||
|
DN(mm) |
Pipe |
Fittings | |||||
|
Class C |
K8 |
K9 |
K10 |
K12 |
K12 |
K14 | |
|
80 |
4.4 |
6 |
6.0 |
7 |
8.1 | ||
|
100 |
4.4 |
6.0 |
7.2 |
8.4 | |||
|
125 |
4.5 |
6.3 |
7.5 |
8.8 | |||
|
150 |
4.5 |
6.3 |
7.8 |
9.1 | |||
|
200 |
4.7 |
6.3 |
8.4 |
9.8 | |||
|
250 |
5.5 |
6.8 |
7.5 |
9 |
9 |
10.5 | |
|
300 |
6.2 |
6.4 |
7.2 |
8 |
9.6 |
9.6 |
11.2 |
|
350 |
6.3 |
6.8 |
7.7 |
8.5 |
10.2 |
10.2 |
11.9 |
|
400 |
6.5 |
7.2 |
8.1 |
9 |
10.8 |
10.8 |
12.6 |
|
450 |
6.9 |
7.6 |
8.6 |
9.5 |
11.4 |
11.4 |
13.3 |
|
500 |
7.5 |
8 |
9 |
10 |
12 |
12 |
14 |
|
600 |
8.7 |
8.8 |
9.9 |
11 |
13.2 |
13.2 |
15.4 |
|
700 |
8.6 |
9.6 |
10.8 |
12 |
14.4 |
14.4 |
16.8 |
|
800 |
9.6 |
10.4 |
11.7 |
13 |
15.6 |
15.6 |
18.2 |
|
900 |
11.6 |
11.2 |
12.6 |
14 |
16.8 |
16.8 |
19.6 |
|
1000 |
12.6 |
12 |
13.5 |
15 |
18 |
18 |
21 |
|
1200 |
13.6 |
13.6 |
15.3 |
17 |
20.4 |
20.4 |
22.8 |
|
1400 |
15.7 |
15.2 |
17.1 |
19 |
22.8 |
22.8 |
26.6 |
|
1500 |
16.7 |
16 |
18 |
20 |
24 |
24 |
31 |
|
1600 |
17.7 |
16.8 |
18.9 |
21 |
25.2 |
25.2 |
29.4 |
|
1800 |
19.7 |
18.4 |
20.7 |
23 |
27.6 |
27.6 |
32.2 |
|
2000 |
21.8 |
20 |
22.5 |
25 |
30 |
30 |
35 |
Self-restrained Joint
Self-restrained Type is a push-in self anchored joint. The principle of joint anchoring consists in transmitting the axial forces from one pipeline to the following one, thus ensuring that the joint does not come apart.
The application of self-restrained joints is of particular interest where congested conditions preclude concrete anchor block constructions or in poorly cohesive soils.Self-restrained joints combine the advantages of flexible joint pipes and welded joint pipes.
Photo of Self-restrained Joint Ductile Iron Pipe
- Q:How do ductile iron pipes handle dynamic loads?
- Ductile iron pipes are known for their exceptional strength and durability, which allows them to effectively handle dynamic loads. These pipes have a high resistance to bending and can withstand the pressure and stress exerted on them when subjected to dynamic loads, such as water hammer or ground movement. The unique composition of ductile iron, which includes a small amount of carbon and the addition of magnesium, creates a structure that is both strong and flexible. This combination enables the pipes to flex under the impact of dynamic loads, rather than fracturing or breaking like other materials. Additionally, ductile iron pipes have a high impact resistance, which means they can absorb and distribute the energy generated by dynamic loads throughout their structure. This ability to dissipate energy helps to minimize the risk of pipe failure and ensures the longevity of the pipeline system. Furthermore, ductile iron pipes have excellent stress distribution properties, which means that the load applied to the pipes is evenly dispersed along their length. This helps to prevent localized stress concentrations and reduces the likelihood of damage or failure. In summary, ductile iron pipes are designed to handle dynamic loads efficiently. Their strength, flexibility, impact resistance, and stress distribution properties make them highly suitable for applications where dynamic loads are a concern, ensuring the reliability and longevity of the pipeline system.
- Q:How do ductile iron pipes perform in cold weather conditions?
- Ductile iron pipes perform well in cold weather conditions due to their exceptional strength and durability. Unlike other materials, ductile iron pipes have a high resistance to freeze-thaw cycles, preventing them from cracking or breaking in freezing temperatures. Additionally, the material's flexibility allows for minimal expansion and contraction, ensuring stability even in extreme cold. Overall, ductile iron pipes are a reliable choice for cold weather environments.
- Q:Can centrifugal cast iron pipe be galvanized or coated with asphalt which is good for corrosion prevention?
- The centrifugal ductile iron pipe has the advantages of zinc coating and asphalt coating, and it is used in combination with two. By spraying zinc and epoxy coal tar coating of ductile iron pipe wall (or epoxy resin paint, polyurethane, etc.) wall using Portland cement (or epoxy powder, epoxy, polyurethane, ceramics etc.) wall coating can effectively active substances in soil and the formation of an insoluble zinc salt protection tube, the internal coating can inhibit corrosion of pipe body fluid medium.
- Q:What does ductile iron pipe "ND200" mean?
- The tube is thin from the metal tube, and the outer diameter of the tube is almost the same as the inner diameter of the tube, so the average value of the outer diameter of the tube and the inner diameter of the pipe is called the diameter.
- Q:Are ductile iron pipes compatible with other pipe materials?
- Generally, other pipe materials can be compatible with ductile iron pipes. The high level of flexibility and strength of ductile iron pipes allows for their connection with various materials like PVC, HDPE, and steel. Transition fittings are often utilized to securely and prevent leaks when connecting ductile iron pipes with other materials. To maintain the integrity of the pipeline system and ensure compatibility, it is crucial to follow industry standards and guidelines when joining different pipe materials.
- Q:What is the expected joint tightness for ductile iron pipes?
- The expected joint tightness for ductile iron pipes is typically high. Ductile iron pipes are known for their strong and durable nature, making them highly resistant to leaks and joint failures. The joints in ductile iron pipes are usually designed to provide a secure and tight connection, ensuring minimal water or fluid loss. Various joint types are commonly used for ductile iron pipes, including mechanical joints, restrained joints, and push-on joints. Each of these joint types is designed to provide a reliable seal and prevent any leakage. Mechanical joints use a mechanical gland and rubber gaskets to create a tight seal. These joints require a certain level of torque during assembly to ensure proper compression and sealing. Restrained joints, on the other hand, are specifically designed to withstand external forces, such as soil movement or pressure, and maintain their tightness. These joints typically use a mechanical restraint system, such as a key-locking mechanism, to prevent joint separation. Push-on joints are the easiest to install and provide a secure seal by utilizing a rubber gasket that is compressed when the pipes are pushed together. These joints are commonly used in smaller diameter pipes where the external forces are minimal. Overall, ductile iron pipes are expected to have a high level of joint tightness, ensuring reliable and leak-free performance in various applications, including water distribution, wastewater systems, and industrial piping networks.
- Q:How do ductile iron pipes compare to PVC pipes?
- Plumbing and water distribution systems commonly utilize ductile iron pipes and PVC pipes. When comparing these materials, various factors should be taken into account. Strength and Durability: Ductile iron pipes are renowned for their exceptional strength and durability. They can withstand high pressure and heavy loads, making them suitable for underground and high-traffic areas. Conversely, PVC pipes are less sturdy and more prone to cracking under extreme conditions. However, PVC pipes have the advantage of being corrosion-resistant and do not rust, which is beneficial in certain environments. Installation and Maintenance: Ductile iron pipes are heavier and require specialized equipment and skilled labor for proper installation. In contrast, PVC pipes are lightweight and easy to handle, making installation simpler and quicker. Additionally, PVC pipes require less maintenance as they do not corrode or develop mineral deposits over time, unlike ductile iron pipes which may need regular cleaning and maintenance to prevent rust and sediment buildup. Cost: PVC pipes generally have a lower cost compared to ductile iron pipes. The lower material and installation expenses associated with PVC pipes make them a popular choice for budget-friendly residential and commercial plumbing projects. Ductile iron pipes, while offering superior strength and durability, tend to be more expensive due to the higher cost of materials, specialized installation requirements, and additional maintenance expenses. Environmental Impact: PVC pipes are made from non-renewable resources and can have a negative environmental impact during production and disposal. On the other hand, ductile iron pipes are made from recycled iron and have a longer lifespan, reducing the need for replacement and minimizing waste. However, it is important to note that PVC pipes can be recycled, and many manufacturers have implemented sustainable practices to minimize their environmental footprint. In conclusion, ductile iron pipes and PVC pipes possess distinct characteristics that make them suitable for different applications. Ductile iron pipes excel in strength and durability, making them ideal for heavy-duty applications, while PVC pipes offer cost-effectiveness, easy installation, and corrosion resistance. Ultimately, the choice between the two materials depends on the specific requirements, budget, and environmental considerations of the project.
- Q:Can ductile iron pipes be used for underground geothermal systems?
- Yes, ductile iron pipes can be used for underground geothermal systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications, including underground geothermal systems. These pipes can handle high temperatures and pressures, making them ideal for the transport of hot geothermal fluids. Additionally, ductile iron pipes have a long service life and can withstand the ground movements and stresses that occur in underground installations. Therefore, they can be a reliable choice for underground geothermal systems.
- Q:How does ductile iron pipe perform in areas with high soil settlement?
- Ductile iron pipes perform well in areas with high soil settlement due to their inherent strength and flexibility. Their ability to withstand soil movement and settlement helps prevent pipe damage or failure. Additionally, ductile iron pipes are designed with joints that allow for some movement, further reducing the risk of cracks or breaks. Overall, ductile iron pipes are a reliable choice for areas prone to high soil settlement.
- Q:Can ductile iron pipes be used for water supply in remote areas?
- Ductile iron pipes are indeed suitable for water supply in remote areas. Renowned for their strength, durability, and versatility, these pipes are capable of serving various purposes, including water supply systems. Notably, their exceptional resistance to corrosion and ability to endure harsh environmental conditions renders them an ideal choice for remote areas with limited maintenance and repair services. Moreover, in comparison to alternative materials, ductile iron pipes boast a significantly longer lifespan, ensuring the sustained operation of water supply systems in remote areas. In summary, the reliability of ductile iron pipes for water supply in remote areas is attributable to their resilience, resistance to corrosion, and extended lifespan.
1. Manufacturer Overview |
|
|---|---|
| Location | Henan, China |
| Year Established | 1958 |
| Annual Output Value | Below US$1 Million |
| Main Markets | Mid East, Africa, South Asia, Eastern Asia |
| Company Certifications | ISO 9001:2008；ISO2531:2000 |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin; Qingdao |
| Export Percentage | 1% - 10% |
| No.of Employees in Trade Department | 3000 People |
| Language Spoken: | English; Chinese; Spain; Alabic |
| b)Factory Information | |
| Factory Size: | Above 150,000 square meters |
| No. of Production Lines | Above 6 |
| Contract Manufacturing | OEM Service Offered; Design Service Offered |
| Product Price Range | Average |
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Self-restrained Joint Ductile Iron Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 1 Metric Ton m.t.
- Supply Capability:
- 300000 Metric Tons per Year m.t./month
OKorder Service Pledge
OKorder Financial Service
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