• China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe System 1
  • China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe System 2
  • China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe System 3
  • China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe System 4
  • China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe System 5
  • China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe System 6
China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

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

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Item specifice

Type:
T-type Joint Pipe (Push-on)
Standard:
ISO2531
Material:
ductile iron ggg50
Pressure:
PN10, PN16, PN25,PN40
Wall Thickness:
K9, K8, C25, C30, C40
Packaging:
Bundle, in bulk
Yield (≥ MPa):
300MPa
Hardness:
≤230HB
Pull Strength:
≥420MPa
Processing Service:
Casting
Color:
Black, red, blue or as requested
Length:
6m, cut to 5.7m

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe


The T-type Joint Pipes (Push-on) produced by our company range from DN80mm to DN2600mm are flexibly jointed with sockets and spigots; they are the first choice in urban water pipe networks due to their convenient installation, strong seismic performances, seal ability and corrosion resistance.


Specifications

Type
T-type Joint Pipe (Push-on)
Standard
ISO2531, EN545, EN598, etc
DNDN80mm~DN2600mm
MaterialDuctile Cast Iron GGG50
PressurePN10, PN16, PN25,PN40
Wall thicknessK9, K8, C25, C30, C40
Length6m, cut to 5.7m
Application
Water supply project, drainage, irrigation, water pipeline system.
Internal Coatinga). Portland cement mortar lining
b). Sulphate Resistant cement mortar lining
c). High-Aluminum cement mortar lining
d). Fusion bonded epoxy coating
e). Liquid epoxy painting
f). Black bitumen painting
External Coatinga). zinc+bitumen(70microns) painting
b). Fusion bonded epoxy coating
c). Zinc-aluminum alloy +liquid epoxy painting
PackageBundles, in bulk
NoteThe coating can also be accordance with customers' requirements.



Product Images

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe




China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe

China top quality ISO2531 cement lined class K9 DN80 ductile cast iron DCI pipe




Q:How does ductile iron pipe handle ground movement and settlement?
Ductile iron pipe is highly resilient and can effectively handle ground movement and settlement. Its flexibility and strength allow it to withstand external loads and pressure variations caused by ground shifts and settlement. The pipe's inherent ability to absorb and distribute stress ensures its stability, minimizing the risk of damage or failure due to ground movement. Additionally, ductile iron pipes are commonly installed with flexible joints that further accommodate ground shifts, providing a reliable and durable solution for underground applications.
Q:Ductile iron gears are generally treated without heat treatment
Certainly. At the very least, the casting must be annealed and other heat treatment according to the requirement of use
Q:How is ductile iron pipe protected against external corrosion?
Ductile iron pipe is protected against external corrosion through a process called external coating. This involves applying a layer of protective coating, such as asphaltic or epoxy, on the outside surface of the pipe. The coating acts as a barrier, preventing moisture and corrosive substances from coming into contact with the iron, thus reducing the risk of corrosion. Additionally, cathodic protection methods, such as applying sacrificial anodes or using impressed current systems, may be employed to further enhance the corrosion resistance of the ductile iron pipe.
Q:How are ductile iron pipes made?
Ductile iron pipes are made through a process called centrifugal casting. In this method, molten iron is poured into a rapidly spinning mold, which forces the iron to evenly distribute along the walls of the mold. As the mold continues to spin, the iron cools and solidifies, forming a hollow cylindrical shape. This process allows the iron to retain its strength and flexibility, making it suitable for use in various piping applications.
Q:How does ductile iron pipe handle thermal expansion and contraction?
Ductile iron pipe is well-known for its ability to handle thermal expansion and contraction effectively. This is primarily due to its unique material properties and design characteristics. Firstly, ductile iron pipe has a high coefficient of linear expansion, which means it expands and contracts relatively more compared to other materials when subjected to temperature changes. This property allows the pipe to accommodate thermal expansion and contraction without causing excessive stress or deformation. Additionally, ductile iron pipes are designed with flexible joints that can absorb the movement caused by thermal expansion and contraction. These joints, such as push-on or mechanical joints, provide a certain level of flexibility and allow the pipe to expand and contract within a specific range without compromising its structural integrity. Furthermore, the material composition of ductile iron itself contributes to its ability to handle thermal expansion and contraction. Ductile iron is a type of cast iron alloy that contains nodular graphite in its microstructure, providing it with enhanced ductility and tensile strength. This inherent ductility enables the pipe to withstand the stresses induced by thermal expansion and contraction without fracturing or breaking. Overall, ductile iron pipe is designed and manufactured to effectively handle thermal expansion and contraction. Its high coefficient of linear expansion, flexible joints, and ductile material properties all work together to ensure that the pipe can accommodate temperature changes without causing any significant issues or structural failures.
Q:Can ductile iron pipes be used for firefighting systems?
Yes, ductile iron pipes can be used for firefighting systems. Ductile iron is a strong and durable material that can withstand high pressures and extreme temperatures, making it suitable for transporting water in firefighting systems. Its ability to resist corrosion and withstand external loads also ensures the long-term reliability and performance of the pipes. Additionally, ductile iron pipes have excellent fire resistance properties, as they do not burn, emit toxic fumes, or contribute to the spread of fire. Therefore, ductile iron pipes are a reliable and commonly used choice for firefighting systems due to their strength, durability, and fire resistance.
Q:Can ductile iron pipes be used in coastal or marine environments?
Ductile iron pipes are applicable for coastal or marine environments. This type of cast iron has been treated with magnesium to enhance its strength, ductility, and resistance to corrosion. As a result, it can be used in environments with high moisture levels, like coastal or marine areas. Coastal and marine environments are characterized by their high saltwater levels, which can lead to metal pipe corrosion. However, ductile iron pipes possess an excellent resistance to corrosion thanks to their protective coating. This coating acts as a barrier between the pipe and the corrosive elements present in saltwater, preventing rust formation and prolonging the pipes' lifespan. Moreover, ductile iron pipes can withstand the high pressures and stresses associated with coastal and marine applications. They possess high tensile strength, enabling them to support the weight of soil, rocks, and other materials that may be present in these environments. Furthermore, ductile iron pipes are resilient to damage caused by external forces like waves or debris, making them a dependable choice for coastal or marine projects. In conclusion, ductile iron pipes are a suitable option for coastal or marine environments due to their corrosion resistance, high tensile strength, and durability. They can reliably transport water or other fluids in these challenging environments while maintaining their structural integrity for an extended period.
Q:Are there any specific standards or regulations for ductile iron pipe?
Ductile iron pipe is subject to specific standards and regulations. It is widely used in water and wastewater systems due to its strength and durability. The American Water Works Association (AWWA) C151 standard is the most well-known standard for ductile iron pipe. This standard outlines the minimum requirements for ductile iron pipe, including materials, dimensions, tolerances, and testing methods. It also provides guidance on the manufacturing, installation, and maintenance of ductile iron pipe systems. Apart from the AWWA C151 standard, there are other standards and regulations that govern the use of ductile iron pipe in different countries. In Europe, for instance, ductile iron pipe is regulated by the EN 545 and EN 598 standards. These standards specify the requirements for ductile iron pipes and fittings used in water supply and wastewater systems. Additionally, government agencies like the Environmental Protection Agency (EPA) in the United States may have specific regulations and guidelines for using ductile iron pipe in certain applications, such as drinking water systems. Manufacturers, contractors, and engineers involved in the design, installation, and maintenance of ductile iron pipe systems must ensure compliance with these standards and regulations. This is crucial to guarantee that ductile iron pipe is manufactured to the highest quality standards and that it is installed and maintained correctly, ensuring its durability and reliability in water and wastewater systems.
Q:Are ductile iron pipes recyclable?
Indeed, it is true that ductile iron pipes possess recyclability. Ductile iron, which belongs to the cast iron family, showcases exceptional sturdiness and endurance, rendering it an ideal selection for a wide array of applications, encompassing water and sewage systems. Once these pipes surpass their lifespan, they can undergo recycling and repurposing. The recycling procedure involves the fusion of the ductile iron pipes, employing the molten metal to generate fresh pipes or alternative iron-based commodities. By recycling ductile iron pipes, not only do we contribute to the conservation of natural resources, but we also curtail the volume of waste that inundates landfills. Hence, ductile iron pipes are perceived as a sustainable and eco-friendly alternative for piping systems.
Q:What is the expected joint flexibility of ductile iron pipes?
The expected joint flexibility of ductile iron pipes is typically high due to their inherent material properties. Ductile iron is known for its excellent ductility, which refers to its ability to deform without fracturing. This characteristic allows ductile iron pipes to withstand external loads, ground movement, and pressure fluctuations without major damage. The joints in ductile iron pipes are typically designed to provide additional flexibility and accommodate movement. The most common joint type used in ductile iron pipes is the push-on joint, which allows for angular deflection and axial movement. These joints consist of a rubber gasket that creates a watertight seal and allows for slight movement between pipe sections. The expected joint flexibility depends on various factors, including the pipe diameter, joint type, and installation methods. Generally, ductile iron pipes can accommodate angular deflection up to a certain degree, typically ranging from 5 to 10 degrees, depending on the joint design. Axial movement can also be accommodated to some extent, allowing for expansion and contraction of the pipe system. It is important to note that joint flexibility may vary depending on the specific manufacturer and product specifications. Therefore, it is recommended to consult the manufacturer's guidelines and specifications for the expected joint flexibility of a particular ductile iron pipe product.

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