DUCTILE IRON PIPE DN400 K7 CLASS

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 30000Tons m/month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Mechnical Joint K Type Ductile Iron Pipe

Flange Pipe

ISO2531 Socket Spigot Ductile Iron Pipe K8

ductile iron pipe

Ductile Iron Pipe DN200

Ductile Iron Pipe DN1600

High Tensile Steel Rebar ASTM BS4449 Rebar Steel

Duct Iron Pipe DI Pipe ISO 2531 DN 350-600mm

CNBM ductile iron pipe ranges from DN80-DN1600mm (T-Type, Class K9), effective length 6m, comply with ISO2531 Standard

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with BS EN545/EN598/ISO2531/BS4772.

Specification& Payment terms

Internal lining: Pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: Pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM gasket in accordance with ISO4633.

Packing: Pipes from DN100 to DN300 be bundled with steel belts, the others are in bulk.

Payment term: By 30% T/T advance payment + 70% Irrevocable L/C at sight.
Packing: In bulk vessel or in container.

Q: What is the expected joint deflection capability of ductile iron pipes?: The expected joint deflection capability of ductile iron pipes can vary depending on several factors. However, in general, ductile iron pipes have a higher joint deflection capability compared to other types of pipes. The joint deflection capability refers to the ability of a pipe joint to accommodate angular deflection or misalignment during installation or due to ground movement. Ductile iron pipes are known for their flexibility, which allows them to withstand external forces and movements without compromising their structural integrity. The expected joint deflection capability of ductile iron pipes typically ranges from 1 to 5 degrees, depending on the pipe diameter and wall thickness. This means that the pipes can safely accommodate angular deflection within this range without causing leakage or failure. It is important to note that the joint deflection capability can also be influenced by factors such as the type and quality of the joint restraint system, soil conditions, installation techniques, and pipe alignment. Proper installation practices and adherence to manufacturer guidelines are crucial in ensuring optimal joint deflection capability. Overall, ductile iron pipes are designed and manufactured to have a significant joint deflection capability, making them suitable for a wide range of applications, including water distribution, sewer systems, and industrial piping networks.

Q: How do ductile iron pipes handle extreme temperatures?: Ductile iron pipes, also known as cast iron pipes, are known for their ability to handle extreme temperatures effectively. The material composition of ductile iron allows it to withstand both high and low temperatures without experiencing any significant damage or degradation. At high temperatures, ductile iron pipes exhibit excellent thermal resistance, making them suitable for applications where hot liquids or gases need to be transported. The high melting point of ductile iron, which ranges between 2060°C and 2200°C, ensures that the pipes can handle extreme heat without melting or deforming. This makes them ideal for use in industries such as oil and gas, steam distribution, and high-temperature water supply systems. Similarly, ductile iron pipes also perform well in low-temperature environments. They have a low coefficient of thermal expansion, meaning they can withstand the contraction and expansion that occurs during temperature fluctuations without cracking or fracturing. This makes them suitable for use in cold climates or applications that involve the transportation of chilled liquids or gases. Moreover, ductile iron pipes have excellent thermal conductivity, which allows them to quickly dissipate heat. This property is particularly important in high-temperature applications where efficient heat transfer is crucial to prevent damage to the pipes or the substances being transported. In summary, ductile iron pipes can handle extreme temperatures effectively due to their high melting point, low coefficient of thermal expansion, and excellent thermal conductivity. These properties make them a reliable choice for various applications that involve extreme temperature conditions.

Q: Are ductile iron pipes resistant to external loads?: Yes, ductile iron pipes are generally resistant to external loads. Ductile iron is a type of cast iron that has been treated with additives such as magnesium and cerium to make it more flexible and durable. This increased flexibility allows the pipes to withstand high levels of external pressure and stress without cracking or breaking. Ductile iron pipes are commonly used in applications where they are exposed to heavy loads, such as underground water distribution systems, sewer lines, and industrial pipelines. These pipes have been proven to have excellent resistance to external loads, making them a reliable choice for various infrastructure projects.

Q: What is the expected buoyancy of ductile iron pipes?: The expected buoyancy of ductile iron pipes is minimal due to their high density and weight.

Q: How is ductile iron pipe manufactured?: Ductile iron pipe is manufactured through a process called centrifugal casting. In this process, molten iron is poured into a spinning mold, causing the iron to be distributed evenly along the inner surface of the mold. As the mold cools, the iron solidifies and forms the pipe's shape. This method ensures a strong and durable pipe with excellent tensile strength and resistance to corrosion.

Q: What are the typical bedding and backfill requirements for ductile iron pipes?: To ensure the correct installation and long-term effectiveness of ductile iron pipes, it is important to adhere to the typical requirements for bedding and backfill. The bedding material should be a granular substance that provides support and evenly distributes the load on the pipe. Suitable materials include sand, gravel, or crushed stone. The bedding material should be placed uniformly and continuously along the bottom of the trench, with a minimum thickness of 6 inches. The width of the bedding layer should be at least 1.5 times the outer diameter of the pipe, or as specified by the pipe manufacturer. Once the bedding is in place, the remaining space around the pipe should be filled with backfill material. This material should also be granular and free from large stones, debris, or organic matter. It should be compacted in 6-inch increments using appropriate compaction equipment. The backfill should be evenly distributed around the pipe, ensuring there are no gaps or voids. Excessive compaction should be avoided to prevent damage or deformation of the pipe. The backfill material should extend at least 12 inches above the top of the pipe. In addition to following the bedding and backfill requirements, it is crucial to adhere to any specific guidelines provided by the pipe manufacturer. These guidelines may include recommendations for specific materials, compaction methods, or additional protective measures. Overall, proper bedding and backfilling of ductile iron pipes are essential for maintaining the structural integrity and preventing damage or failure. By following industry standards and manufacturer specifications, the pipes will perform effectively and last for a long time in various applications.

Q: Are ductile iron pipes suitable for gravity flow applications?: Yes, ductile iron pipes are suitable for gravity flow applications. Ductile iron is a strong and durable material that can withstand the weight of the water and solid waste flowing through the pipes without any issues. It has high tensile strength and can resist damage from external forces such as soil movement or heavy traffic loads. Additionally, ductile iron pipes have smooth inner surfaces that promote efficient flow and minimize friction losses. They are also resistant to corrosion and can last for decades without requiring frequent maintenance or replacement. Overall, ductile iron pipes are a reliable choice for gravity flow applications due to their strength, durability, and resistance to various environmental factors.

Q: What is the expected hoop stress capacity of ductile iron pipes?: The capacity for hoop stress expected in ductile iron pipes can vary depending on various factors, including the diameter, wall thickness, and material grade of the pipes. However, as a general rule, ductile iron pipes possess a high level of strength and durability, enabling them to withstand significant levels of hoop stress. Ductile iron pipes are specifically designed and manufactured to meet certain standards and requirements, such as those put forth by the American Water Works Association (AWWA) C151 and C115 standards. These standards ensure that the pipes possess the necessary strength to handle the expected loads and pressures that they will encounter throughout their lifespan. The capacity for hoop stress in ductile iron pipes primarily relies on their tensile strength. Ductile iron is a form of cast iron that has been treated to exhibit ductility, meaning it can withstand tensile stress without fracturing. This characteristic makes it suitable for applications where the pipes may encounter internal or external pressure, such as water distribution systems or sewer lines. Engineers typically perform calculations to determine the anticipated hoop stress capacity of ductile iron pipes. These calculations take into account specific pipe dimensions, material properties, and expected operating conditions. Factors such as internal pressure, external loads, and safety factors required by design standards are considered in these calculations. It is important to verify the expected hoop stress capacity of ductile iron pipes using the manufacturer's specifications and engineering calculations. Furthermore, any modifications or repairs to the pipes should be carried out by qualified professionals following industry guidelines to ensure their ongoing strength and performance.

Q: Can ductile iron pipes be used in areas with high levels of groundwater contamination?: Yes, ductile iron pipes can be used in areas with high levels of groundwater contamination. Ductile iron is highly corrosion-resistant, making it suitable for such environments. Additionally, these pipes have a long lifespan and can withstand external pressures, making them a reliable choice for transporting water in contaminated areas.

Q: Can ductile iron pipe be used for water distribution systems in cold climates?: In cold climates, ductile iron pipe is an ideal choice for water distribution systems. This type of pipe is renowned for its strength and durability, making it suitable for a range of applications, including water distribution. Its exceptional ability to withstand external forces, such as freezing temperatures, frost heaving, and ground movement, is particularly advantageous in cold climates. Furthermore, ductile iron pipe exhibits a high tolerance for temperature fluctuations, ensuring its reliability for water transportation even in extreme cold conditions. Additionally, its corrosion-resistant properties guarantee the long-lasting and dependable performance of the pipe, even in harsh environments. Therefore, when it comes to water distribution systems in cold climates, ductile iron pipe is the optimal choice.

Send your message to us

*Email

*TEL

*Quantity

*Unit