K Type Ductile Iron Pipe DN300 Socket spigot pipe

K Type Ductile Iron Pipe DN300 Socket spigot pipe

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 200 m.t

Supply Capability:: 30000 m.t/month

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Specification:

1) The standard of pipe: ISO2531:1998, EN545:2006，K9 K8

2) Effective length: 6m/5.7m

3) Inner cement line: Portland cement lineas per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70μm as per ISO8179

6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633

7) DN80-DN1200

8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas

9)Checked by automatic inspection equipment

10) Composition:

Chemical composition
Chemical composition	Ductile Cast Iron Pipe (%)	Grey iron pipe (%)	Steel pipe (%)
C	3.5-4.0	3.2-3.8	0.1-0.2
Si	1.9-2.6	1.4-2.2	0.15-0.4
Mn	0.15-0.45	0.4-0.6	0.3-0.6
P	≤0.06	≤0.3	0.02-0.03
S	≤0.02	≤0.1	0.02-0.03
Mg	0.03-0.06

11) Feature:

Mechanical properties
	Ductile Cast Iron Pipe	Grey Iron Pipe	Steel Pipe
Tensile Strength(Mpa)	≥420	150-260	≥400
Yield Strength(Mpa)	≥300	No Confirmation	No Confirmation
Bending Strength(Mpa)	≥590	200-360	≥400
Elongation (%)	≥10	Neglected	≥18
Brinell Hardness(HBS)	≤230	≤230	About 140

12) T type mechanical joint

13) Packing: in bulk or container

PACKING: 1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q: Can ductile iron pipe be used for pressure sewer systems?: Yes, ductile iron pipe can be used for pressure sewer systems.

Q: Are ductile iron pipes resistant to impact damage?: Yes, ductile iron pipes are highly resistant to impact damage due to their inherent strength and durability.

Q: What are the different types of restrained joints for ductile iron pipe?: There are several different types of restrained joints for ductile iron pipe. These joints are designed to prevent pipe separation or movement due to internal pressure, external forces, or ground movement. Some of the commonly used restrained joints for ductile iron pipe include: 1. Mechanical Restrained Joint: This type of joint uses mechanical devices such as bolts, nuts, and gaskets to hold the pipe in place. The joint is typically made up of a gland, a gland follower, and a restraint ring. The gland and gland follower compress the gasket against the pipe, while the restraint ring provides additional support and resistance against movement. 2. Push-on Restrained Joint: This joint utilizes a rubber gasket that is compressed when the two pipe ends are pushed together. The gasket provides a tight seal and also acts as a restraint against movement. Some push-on restrained joints also include additional mechanical devices to enhance the restraint capability. 3. Restrained Flange Joint: This type of joint combines the features of a flanged joint and a restrained joint. It consists of a flanged pipe end that is bolted to a flange on another pipe or fitting. The bolts and nuts provide the mechanical restraint, while the flange connection ensures a secure and leak-free joint. 4. Restrained Coupling Joint: This joint is a variation of the mechanical restrained joint. It utilizes a coupling that is bolted or clamped around the pipe ends, providing the necessary restraint. The coupling may also have a gasket to ensure a tight seal. 5. Restrained Socket Joint: This joint is similar to the push-on restrained joint, but it includes additional mechanical devices to enhance the restraint capability. The socket end of the pipe is typically designed to receive a pipe spigot, which is then secured using bolts, clamps, or other mechanical devices. These different types of restrained joints for ductile iron pipe offer varying levels of restraint and are selected based on the specific requirements of the application. They ensure the integrity and stability of the pipeline system, reducing the risk of leaks, pipe separation, or movement.

Q: How does ductile iron pipe perform in corrosive soils?: Ductile iron pipe performs exceptionally well in corrosive soils due to its unique composition and protective lining. The iron in ductile iron pipe is more resistant to corrosion than other materials, such as steel. Additionally, the interior of the pipe is often lined with cement mortar or an epoxy coating, providing an extra layer of protection against corrosive elements. This combination of materials enables ductile iron pipe to withstand the effects of corrosive soils and maintain its structural integrity over an extended period of time.

Q: What are the different pressure ratings available for ductile iron pipe?: Ductile iron pipe, known for its strength, durability, and resistance to corrosion, finds widespread use in various applications. The pressure ratings of this type of pipe depend on factors like diameter and wall thickness. Typically, ductile iron pipe offers pressure ratings ranging from 150 psi to 350 psi. For pipes with smaller diameters, usually measuring between 3 inches and 24 inches, commonly available pressure ratings include 150 psi, 200 psi, and 250 psi. These ratings suit a broad range of applications, including water distribution systems, sewer lines, and industrial piping. For larger diameter pipes, typically ranging from 30 inches to 64 inches, the usual pressure ratings are 150 psi, 200 psi, 250 psi, and 350 psi. These higher ratings are necessary for transporting larger volumes of water or other fluids across longer distances. It is worth noting that the pressure ratings of ductile iron pipe adhere to industry standards and guidelines. These standards ensure that the pipe can safely withstand both internal pressure and external loads during operation. When choosing the appropriate pressure rating for ductile iron pipe, it is vital to consider factors such as the specific application, flow rates, and expected operating conditions. Seeking advice from industry experts and adhering to local codes and regulations is crucial to ensure the correct selection and installation of ductile iron pipe for a particular project.

Q: Are ductile iron pipes suitable for use in hydropower projects?: Yes, ductile iron pipes are suitable for use in hydropower projects. Ductile iron pipes have a high tensile strength and are resistant to corrosion, making them ideal for applications in hydropower projects where water flow and pressure are involved. They are capable of withstanding high pressure and are durable, ensuring long-term reliability and safety in hydropower systems. Additionally, ductile iron pipes are cost-effective compared to other materials like steel, making them a popular choice for hydropower projects. Overall, ductile iron pipes offer the necessary characteristics and performance qualities required for the demanding conditions of hydropower projects.

Q: Are ductile iron pipes suitable for potable water applications?: Ductile iron pipes are indeed suitable for potable water applications. Their reliability and durability have been demonstrated through their longstanding use in water distribution systems. These pipes exhibit a commendable resistance to corrosion, a crucial factor in upholding the quality of drinking water. Moreover, ductile iron pipes possess a high tensile strength, reducing the likelihood of breakage or leakage. Furthermore, their smooth interior surface aids in maintaining optimal water flow and preventing the accumulation of deposits or contaminants. In conclusion, ductile iron pipes are an appropriate selection for potable water applications due to their impressive strength, durability, and corrosion resistance.

Q: Can ductile iron pipes be used in areas with high levels of groundwater contamination?: Ductile iron pipes can be used in areas with high levels of groundwater contamination. Ductile iron is a strong and durable material that is resistant to corrosion, making it suitable for various environments, including those with contaminated groundwater. It offers a high level of resistance to chemicals and can withstand the corrosive effects of contaminants that may be present in the groundwater. Additionally, ductile iron pipes have a protective lining which further enhances their resistance to corrosion. However, it is important to note that the suitability of ductile iron pipes in such areas also depends on the specific nature and concentration of contaminants present in the groundwater. Consultation with experts and adherence to local regulations and industry standards is crucial to ensure the appropriate selection and installation of pipes for areas with high levels of groundwater contamination.

Q: Can ductile iron pipes be used for marine applications?: Yes, ductile iron pipes can be used for marine applications. Ductile iron is known for its high strength and durability, making it suitable for various environments, including marine environments. It has excellent corrosion resistance properties, which enable it to withstand the harsh conditions of saltwater exposure. Additionally, ductile iron pipes have been used in marine applications such as wastewater treatment plants, desalination plants, and offshore platforms. However, it is important to consider proper coating and maintenance to enhance the longevity of ductile iron pipes in marine applications.

Q: Can ductile iron pipes be used for gas distribution networks?: Yes, ductile iron pipes can be used for gas distribution networks. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them a suitable choice for various applications, including gas distribution. These pipes can withstand high-pressure environments and are less likely to crack or break under stress. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and maintenance. However, it is important to note that specific regulations and standards must be followed when installing ductile iron pipes for gas distribution, ensuring proper safety measures and compliance with industry guidelines.

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