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: Can ductile iron pipes be used for water distribution networks in rural areas?
- Ductile iron pipes are suitable for water distribution networks in rural areas due to their high strength and durability. These pipes are known for their ability to withstand external loads and pressure, making them ideal for underground installations. Additionally, they have excellent resistance to corrosion and can withstand harsh environmental conditions or agricultural activities. In rural areas, where the water distribution network may face challenging conditions, ductile iron pipes offer a reliable solution. They are less likely to crack or leak, ensuring a continuous water supply for rural communities. Moreover, these pipes have a long service life, often exceeding 100 years, making them a cost-effective choice that requires minimal maintenance and replacement. However, it is crucial to consider other factors such as the availability of ductile iron pipes, installation costs, and the technical expertise required for installation and maintenance. Local regulations and standards should also be followed to ensure compliance and safety. Overall, ductile iron pipes can provide a suitable and dependable option for water distribution networks in rural areas. They offer a long-lasting and efficient solution for delivering clean water to communities.
- Q: What is the typical pressure rating of ductile iron pipes?
- The typical pressure rating of ductile iron pipes varies depending on the application and the size of the pipe. However, ductile iron pipes are generally designed and manufactured to withstand high pressure levels. In water and wastewater systems, for example, ductile iron pipes typically have a pressure rating of 250 psi (pounds per square inch) or higher. For larger pipes used in industrial applications, such as oil and gas pipelines, the pressure rating can be even higher, ranging from 350 psi to 500 psi or more. It is important to consult the specific manufacturer's specifications and industry standards to determine the precise pressure rating for a particular ductile iron pipe.
- Q: What are the different pressure classes available for ductile iron pipe?
- The different pressure classes available for ductile iron pipe include Class 100, Class 150, Class 200, Class 250, Class 300, Class 350, and Class 400.
- Q: How does ductile iron pipe perform in seismic conditions?
- Ductile iron pipe has excellent performance in seismic conditions due to its inherent flexibility and strength. It can withstand ground movements and vibrations caused by earthquakes without fracturing or breaking. Its ability to absorb and dissipate energy helps prevent catastrophic failures and ensures the integrity of the pipeline system. Additionally, ductile iron pipe's corrosion resistance and durability make it a reliable choice for long-term performance in seismic-prone areas.
- Q: Are ductile iron pipes resistant to acid mine drainage corrosion?
- Yes, ductile iron pipes are generally resistant to acid mine drainage corrosion. Their high durability, strength, and corrosion resistance make them suitable for transporting water in acidic environments, such as those affected by acid mine drainage.
- Q: Nodular cast iron, heat treatment process and so on
- White cast iron is one of the defects. Firstly, control of carbon equivalent, carbon equivalent is not too high. The second inoculation is reasonable, the step of determining whether carbon in cast iron with graphite precipitation. Ensure adding good inoculant humectant and sufficient time. Once again, the problem of cooling. The cooling can not be too fast, easy fast cooling to produce white tissue.
- Q: Are ductile iron pipes suitable for railway crossings?
- Yes, ductile iron pipes can be suitable for railway crossings. Ductile iron is a strong and durable material that has been widely used in various applications, including water and sewage systems. Its high tensile strength and flexibility make it suitable for withstanding heavy loads and vibrations, which are common near railway crossings. Furthermore, ductile iron pipes have excellent resistance to corrosion, which is crucial in areas prone to moisture and exposure to different weather conditions. This resistance ensures the longevity of the pipes, reducing maintenance and replacement costs. Additionally, ductile iron pipes are known for their ease of installation and versatility. They can be easily connected with other types of pipes or fittings, allowing for a seamless integration into the overall railway crossing infrastructure. It is important to note that the suitability of ductile iron pipes for railway crossings also depends on various factors such as load requirements, soil conditions, and specific project specifications. Consulting with engineering professionals and adhering to industry standards and regulations is essential to ensure the appropriate selection and installation of ductile iron pipes for railway crossings.
- Q: What is the expected thrust restraint method for ductile iron pipes?
- The expected thrust restraint method for ductile iron pipes is typically achieved through the use of mechanical joint restraints. These restraints are designed to resist the axial forces or thrust generated by the fluid pressure inside the pipe. The most common types of mechanical joint restraints used for ductile iron pipes include thrust blocks, tie rods, and harness restraints. Thrust blocks are concrete structures placed around the pipe joints to resist the thrust forces. They are typically constructed at bends, tees, and other changes in direction to prevent the movement of the pipes. Tie rods are another common method of thrust restraint, where steel rods are anchored to the pipe and secured to an immovable structure to counteract the thrust forces. Harness restraints consist of a series of steel rods or cables that encircle the pipe and are anchored to the ground on either side. These restraints distribute the axial forces along the length of the pipe, preventing movement and ensuring stability. The specific thrust restraint method used for ductile iron pipes may vary depending on factors such as pipe diameter, fluid pressure, soil conditions, and local regulations. It is important to consult with industry standards, engineering guidelines, and local authorities to determine the appropriate thrust restraint method for a given application.
- Q: Are ductile iron pipes suitable for deep burial installations?
- Indeed, deep burial installations can accommodate ductile iron pipes. These pipes possess remarkable strength and endurance, rendering them highly suitable for subterranean purposes. They possess the ability to withstand the immense pressure exerted by soil as well as any external forces that may arise. Moreover, ductile iron pipes exhibit exceptional resistance to corrosion, a vital characteristic for ensuring long-lasting performance in buried settings. Furthermore, their flexibility enables them to endure ground movements and settle without fracturing. All in all, ductile iron pipes represent a dependable and economically efficient option for deep burial installations.
- Q: Do ductile iron pipes require external protection against stray electrical currents?
- Yes, ductile iron pipes do require external protection against stray electrical currents. This is necessary to prevent corrosion and ensure the longevity of the pipes.
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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