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: 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: Steel plastic pipe, ductile iron pipe, steel pipe difference
- The utility model has the advantages of wide application range, more connecting modes, suitable for most occasions, good sealing property, proper material selection and anticorrosion treatment, and can greatly increase the corrosion resistance.
- Q: The role of chromium in nodular cast iron
- Chromium has better strengthening and toughening effect in nodular cast iron. Chromium containing cast iron has the characteristics of high strength, high elongation, high impact value and low hardness.
- Q: How are ductile iron pipes repaired in case of damage?
- Due to their high durability and strength, ductile iron pipes are commonly utilized in various applications. However, like any other materials, these pipes can sustain damage over time due to external influences or internal corrosion. In such instances, there exist several techniques available for repairing ductile iron pipes. One prevalent method is the trenchless repair technique, which allows for the restoration of the damaged section without the need for extensive excavation. This method typically employs specialized equipment to access and repair the affected area. Its advantages lie in minimizing disruption to the surrounding environment and reducing excavation costs. Another approach for repairing ductile iron pipes involves the application of epoxy lining. This process entails the use of epoxy resin to seal any cracks or leaks on the interior surface of the pipe. Epoxy lining is a cost-efficient and effective solution as it provides long-lasting repairs and enhances the overall condition of the pipe. In cases where the damage is severe or extensive, it may be necessary to replace the damaged section of the ductile iron pipe. This typically involves removing the compromised portion and installing a new pipe section. The replacement process may require excavation and can be more time-consuming and costly compared to other repair methods. Nonetheless, it guarantees a comprehensive and permanent solution for the damaged pipe. It is essential to note that the choice of repair method for ductile iron pipes depends on factors such as the extent of the damage and accessibility. Professional assessment and inspection play a crucial role in determining the most suitable repair technique. Consulting experienced pipeline repair specialists or civil engineers is highly recommended to ensure the most effective and durable repair solution for ductile iron pipes.
- Q: What effect does magnesium play in nodular cast iron?
- The role of magnesium as spheroidizing agent used in iron spheroidizing treatment, promote water ink is made of iron, carbon in liquid iron spherical graphite precipitation.
- Q: What is the relationship between the mechanical properties of spheroidal graphite cast iron and its spheroidization rate?
- The spheroidization level reflects only the final shape of graphite. The higher the spheroidization level of ductile iron is, the better its performance is, but this is not entirely the level of spheroidization to determine.The mechanical properties of nodular cast iron are closely related to its microstructure. Different grades of ductile iron require different mechanical properties such as tensile, yield, elongation, impact and hardness.
- Q: How do ductile iron pipes perform in high-velocity water flow conditions?
- Ductile iron pipes perform exceptionally well in high-velocity water flow conditions. Due to their unique composition and manufacturing process, ductile iron pipes exhibit superior strength and durability, making them highly resistant to the forces generated by high-velocity water flow. These pipes are specifically designed to withstand significant hydraulic pressure and turbulent conditions. Their inherent ductility allows them to absorb the energy of the flowing water and effectively dissipate any potential stress or impact that may occur. Additionally, the smooth internal surface of ductile iron pipes minimizes frictional losses, enabling efficient water flow even at high velocities. This characteristic is crucial in maintaining the required water pressure and flow rates in applications such as water distribution systems, sewage networks, and industrial processes. Moreover, the corrosion resistance of ductile iron pipes further enhances their performance in high-velocity water flow conditions. These pipes are typically lined with cement mortar or polyethylene, which provides an additional layer of protection against the corrosive effects of fast-flowing water. Overall, ductile iron pipes are well-suited for high-velocity water flow conditions, offering exceptional strength, durability, and hydraulic efficiency. Their ability to withstand the challenges posed by fast-flowing water makes them a reliable choice for a wide range of applications where high water velocity is a concern.
- Q: Can ductile iron pipe be used for agricultural irrigation systems?
- Yes, ductile iron pipe can be used for agricultural irrigation systems. It is a strong and durable material that can withstand the high pressures and corrosive environments often found in agricultural irrigation systems. Additionally, ductile iron pipe has excellent resistance to external loads and impact, making it suitable for various soil conditions in agricultural fields.
- Q: The plug connection DN800 ductile iron pipe has been installed. "Shall I think so?"
- In many areas of our country, ductile iron pipe in the middle and small diameter to tube connected with the tube, the bearing type or flange interface method; ductile iron, angle limit must be allowed better seismic performance and sealing performance.
- Q: Can ductile iron pipes be used for wastewater treatment plants?
- Yes, ductile iron pipes can be used for wastewater treatment plants. Ductile iron pipes are known for their strength and durability, making them suitable for handling the harsh and corrosive environment of wastewater treatment plants. These pipes can withstand high pressures and are resistant to corrosion, which is essential in handling wastewater and various chemicals involved in the treatment process. Ductile iron pipes also have the advantage of being easy to install and maintain, with a long service life. Therefore, they are commonly used in wastewater treatment plants for transporting and distributing wastewater throughout the facility.
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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