ductile iron pipe of chinaClass NBR

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Payment Terms:: TT OR LC

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

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 ductile iron 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 ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

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

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

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

Q: Can ductile iron pipes be used in nuclear power plants?: Ductile iron pipes are suitable for use in nuclear power plants due to their improved flexibility and strength compared to traditional cast iron pipes. They are known for their durability, resistance to corrosion, and ability to withstand high pressure and temperature conditions. These pipes are a reliable and robust choice for transporting water, coolant, and other fluids in nuclear power plants. However, it is crucial to consider the specific requirements and regulations of each power plant before selecting the pipe material. It is necessary to ensure proper testing, certification, and compliance with nuclear industry standards to guarantee the safe and efficient operation of the power plant.

Q: How do ductile iron pipes handle traffic vibrations?: Ductile iron pipes are known for their exceptional strength and durability, making them highly capable of handling traffic vibrations. The inherent properties of ductile iron make it more resistant to fractures or cracks caused by external forces, including vibrations induced by traffic. The material's high tensile strength and elasticity allow ductile iron pipes to absorb and dissipate the energy generated by traffic vibrations. This helps to minimize the impact on the pipes and prevent any significant damage or failure. Additionally, the ductility of the material allows it to deform slightly under stress without breaking, further enhancing its ability to withstand vibrations. Furthermore, ductile iron pipes have superior resistance to corrosion and other forms of deterioration. This resistance ensures that the pipes maintain their structural integrity over an extended period, even when subjected to repetitive vibrations caused by heavy traffic. Overall, ductile iron pipes are well-equipped to handle traffic vibrations due to their robust nature, ability to absorb energy, and resistance to corrosion. These features make them a reliable choice for underground infrastructure in areas with high traffic volumes, ensuring a long-lasting and efficient pipeline system.

Q: How is ductile iron pipe installed?: The installation of ductile iron pipe can be carried out using two different methods: trenchless technology or the open-cut method. When utilizing trenchless technology, a hole is drilled into the ground, and hydraulic jacks or winches are used to push or pull the ductile iron pipe into the hole. This approach minimizes disruptions to the surrounding environment and reduces the need for extensive excavation. On the other hand, the open-cut method involves excavating a trench to the necessary depth and width for the ductile iron pipe. The trench is then prepared by removing any debris or obstructions and ensuring a stable base. The pipe is subsequently lowered into the trench and aligned correctly with the assistance of laser or surveying equipment. Once the pipe is in place, joints are connected using either a rubber gasket or mechanical joint. The joints are carefully sealed to prevent any leakage. Backfill material is then meticulously placed around the pipe, ensuring proper compaction for stability and support. To avoid excessive settlement, the backfill is applied in layers. After completing the installation, the pipe undergoes testing to ensure its integrity. This may involve hydrostatic testing, where water is filled into the pipe and monitored for any signs of leakage or pressure loss. Overall, the installation of ductile iron pipe necessitates careful planning, excavation, alignment, joint connection, backfilling, and testing. It is crucial to adhere to industry standards and guidelines to achieve a successful and reliable installation that meets the required specifications.

Q: How are ductile iron pipes different from PVC pipes?: Ductile iron pipes and PVC pipes are two different materials commonly used in plumbing and water distribution systems. The main difference between ductile iron pipes and PVC pipes lies in their composition and properties. Ductile iron pipes are made from a specific type of cast iron that contains graphite nodules, which give the material its ductility and flexibility. This allows the pipes to withstand high pressures and heavy loads without breaking or cracking. Ductile iron pipes are known for their strength and durability, making them ideal for underground applications and areas with high traffic loads. On the other hand, PVC pipes are made from a type of plastic called polyvinyl chloride. PVC pipes are rigid and inflexible, and they do not have the same strength as ductile iron pipes. PVC pipes are commonly used in low-pressure applications, such as residential plumbing systems, irrigation, and drainage systems. They are lightweight, easy to install, and resistant to corrosion, making them a popular choice for residential and non-industrial applications. Another difference between ductile iron pipes and PVC pipes is their cost. Ductile iron pipes tend to be more expensive due to their higher material and production costs. PVC pipes, on the other hand, are relatively cheaper to manufacture, making them a cost-effective option for many plumbing projects. In summary, the main differences between ductile iron pipes and PVC pipes are their composition, strength, flexibility, and cost. Ductile iron pipes are made from cast iron and are known for their strength and durability, while PVC pipes are made from plastic and are more lightweight and cost-effective. The choice between ductile iron pipes and PVC pipes depends on the specific requirements of the plumbing project, including pressure, load-bearing capacity, and budget considerations.

Q: Is nodular cast iron pipe filled with Yau Ma Tei?: Ductile iron pipes are defined as pipes made by casting more than 18 of casting molten iron by adding a spheroidal agent and then centrifugally centrifugally cast by a centrifugal nodular cast iron machineDuctile iron pipe ([span]Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc..

Q: Water supply pipe is ductile iron, then it's fittings and valves and other parts must be ductile iron?: Not always。Valve material selection is mainly determined by the fluid medium.The medium can be divided into gas, liquid, corrosive gas, liquid and oil. According to different media, temperature, and pressure levels, choose different materials, plastic, cast iron, cast steel, stainless steel and so on.

Q: Can ductile iron pipe be used in high-pressure applications?: Yes, ductile iron pipe can be used in high-pressure applications. Ductile iron pipe is known for its strength and durability, making it suitable for a variety of applications, including high-pressure systems. It has a higher tensile strength and yield strength compared to other types of cast iron pipes, allowing it to withstand higher pressures. Additionally, ductile iron pipe is resistant to corrosion and can maintain its structural integrity even under high-pressure conditions. However, it is important to ensure that the pipe is properly installed, and all necessary safety measures are followed to ensure the safe and efficient operation of the high-pressure system.

Q: What is the expected hoop stress capacity of ductile iron pipes?: The expected hoop stress capacity of ductile iron pipes varies depending on the size and class of the pipe. However, ductile iron pipes typically have a high expected hoop stress capacity due to their robust and flexible nature, making them suitable for handling high-pressure applications.

Q: Are ductile iron pipes suitable for wastewater treatment plants?: Ductile iron pipes are highly suitable for wastewater treatment plants. They possess exceptional strength and durability, making them resistant to corrosion. Consequently, these pipes are an excellent choice for managing wastewater, which often contains corrosive elements. Moreover, ductile iron pipes boast remarkable tensile strength and can endure high pressure, critical for the transportation of wastewater in treatment plants. The flexibility of these pipes also permits easy installation and maintenance, ultimately reducing both cost and time required for wastewater treatment plants. In summary, ductile iron pipes are extensively utilized in wastewater treatment plants due to their durability, resistance to corrosion, and their ability to handle the challenging conditions present in such facilities.

Q: What are the different types of valves available for ductile iron pipe?: There are several different types of valves available for ductile iron pipe, each serving a specific purpose and function. Some of the most common types of valves used with ductile iron pipe include: 1. Gate Valves: These valves are used to either completely open or close the flow of fluid within the pipe. They have a gate-like mechanism that either blocks or allows the passage of fluid when the valve is either fully open or fully closed. 2. Butterfly Valves: Butterfly valves are quarter-turn valves that use a circular disc as the closing mechanism. When the valve is open, the disc is parallel to the flow, allowing for minimal pressure drop. When the valve is closed, the disc is perpendicular to the flow, completely stopping the fluid. 3. Ball Valves: Ball valves have a spherical disc with a hole in the middle, known as a ball. When the valve is open, the ball is positioned in such a way that it allows fluid to flow through the hole. When the valve is closed, the ball is rotated to block the flow. 4. Check Valves: Check valves are designed to allow fluid to flow in one direction only, preventing backflow. They have a flap or a disc that opens when the flow is in the correct direction, and closes to stop the flow when it tries to reverse. 5. Plug Valves: Plug valves have a cylindrical or conical plug with a hole through it that can be rotated to control the flow. When the valve is open, the hole aligns with the pipe, allowing fluid to pass through. When the valve is closed, the hole is perpendicular to the pipe, blocking the flow. 6. Pressure Reducing Valves: These valves are used to control and reduce the pressure of fluid flowing through the pipe. They have a mechanism that adjusts the flow area, allowing for pressure reduction. 7. Pressure Sustaining Valves: Pressure sustaining valves are used to maintain a specific pressure within the pipe. They automatically adjust the flow area to sustain the desired pressure level. 8. Air Release Valves: Air release valves are used to release air trapped within the pipe. They allow air to escape while preventing fluid from leaking out. These are just a few examples of the different types of valves available for ductile iron pipe. The choice of valve depends on the specific application, flow requirements, and desired functionality.

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