ductile iron pipe of china 2000 System 1

ductile iron pipe of china 2000

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Loading Port:: China Main Port

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

ductile iron pipe of china 2000

Q: The difference between HDPE pipe and ductile iron pipe: Production process is different, ductile iron pipe mainly through intermediate frequency furnace heating, annealing, and then do cement lining cement lining production, the mechanism of cast iron pipe does not make cement lining.

Q: Can ductile iron pipes be used for stormwater drainage?: Yes, ductile iron pipes can be used for stormwater drainage. Ductile iron pipes are known for their strength and durability, making them suitable for various applications, including stormwater drainage systems. These pipes have high tensile strength and can withstand heavy loads and pressure, making them ideal for carrying large volumes of stormwater. Additionally, ductile iron pipes have a smooth interior surface that reduces friction and allows for efficient flow of water, minimizing the risk of blockages and clogging. With proper installation and maintenance, ductile iron pipes can provide a reliable and long-lasting solution for stormwater drainage.

Q: What are the different methods for restraining ductile iron pipe?: There are several different methods for restraining ductile iron pipe. These methods are used to prevent movement or displacement of the pipe due to internal pressure, external forces, or ground movement. The most common methods for restraining ductile iron pipe include: 1. Thrust blocks: Thrust blocks are concrete blocks or structures that are placed against the pipe at bends, tees, or other changes in direction. These blocks are designed to resist the forces exerted by the flowing water or other fluids within the pipe, effectively anchoring the pipe in place. 2. Mechanical restraints: Mechanical restraints, such as harnesses or clamps, are devices that are installed around the pipe and attached to a fixed structure, such as a wall or a concrete anchor. These restraints provide a physical barrier that prevents the pipe from moving or shifting. 3. Pipe restraints: Pipe restraints are devices that are directly attached to the pipe and anchored to a fixed structure. These restraints can include pipe clamps, pipe restraints, or pipe saddles. They are designed to securely hold the pipe in place and resist any movement or displacement. 4. Pipe bedding and backfill: Proper pipe bedding and backfilling is important for restraining ductile iron pipe. The pipe must be properly supported and surrounded by compacted material to prevent movement or shifting. This method involves carefully placing and compacting soil or other suitable materials around the pipe to provide stability and prevent displacement. 5. Trench walls: The walls of the trench in which the ductile iron pipe is installed can also provide some level of restraint. By properly compacting the soil against the pipe and ensuring proper compaction and stability of the trench walls, the pipe can be effectively restrained and prevented from movement. Overall, the different methods for restraining ductile iron pipe aim to ensure the pipe remains securely in place and does not experience any displacement or movement. The choice of method depends on factors such as the location, application, and the forces acting on the pipe. It is important to consult with engineers and follow industry guidelines and standards to determine the most appropriate method for restraining ductile iron pipe in specific situations.

Q: Are ductile iron pipes suitable for tunneling projects?: Ductile iron pipes are well-suited for tunneling projects due to their strength, durability, and flexibility. With their ability to endure high pressure and heavy loads, they are an excellent choice for underground tunnels. These pipes are also highly resistant to corrosion, which is vital in moist and chemical-laden underground environments. Furthermore, their installation and maintenance are relatively simple, making them a cost-effective option for tunneling endeavors. In summary, ductile iron pipes possess the essential characteristics needed for tunneling projects, making them a fitting selection for these applications.

Q: What are the recommended bedding and backfill materials for ductile iron pipe?: To ensure proper alignment and prevent damage during installation and operation, ductile iron pipe requires a combination of granular materials such as sand, gravel, or crushed stone for bedding and backfill. Bedding involves using sand to create a level surface, distributing the load evenly and reducing stress concentration. As for backfill, it should be carefully selected to offer good compaction and drainage properties, preventing settling and potential damage. Common choices for backfill are crushed stone or gravel, which provide stability and allow for proper compaction. To ensure the long-term performance and durability of the pipe system, it is crucial to adhere to the recommendations of the pipe manufacturer and relevant industry standards when selecting bedding and backfill materials. These materials must meet specified size and quality requirements. Additionally, local regulations and soil conditions should also be considered when determining the appropriate bedding and backfill materials for ductile iron pipe installations.

Q: The difference between ductile iron pipe and steel pipe used in pipe jacking: Comparison between ductile iron pipe and universal cast iron pipe: the process of making ductile iron pipe is cast by adding alkaline earth metal or rare metal such as magnesium and calcium in the raw material of common cast iron pipe.

Q: What is the maximum allowable deflection for ductile iron pipes?: The maximum allowable deflection for ductile iron pipes is typically specified by industry standards and guidelines, such as those provided by the American Water Works Association (AWWA) and the Ductile Iron Pipe Research Association (DIPRA). These standards specify the maximum allowable deflection as a percentage of the pipe's outside diameter. According to AWWA C150/A21.50 and DIPRA's Technical Bulletin No. 10, the maximum allowable deflection for ductile iron pipes can vary depending on factors such as pipe size, wall thickness, and soil conditions. However, a common rule of thumb is that the maximum allowable deflection should not exceed 3% of the pipe's outside diameter. It is important to note that exceeding the maximum allowable deflection can result in potential structural issues and reduced performance of the ductile iron pipe. Therefore, it is crucial to adhere to the industry standards and guidelines to ensure the proper installation and functioning of ductile iron pipes.

Q: What are the advantages of using ductile iron pipe over HDPE pipe?: There are several advantages of using ductile iron pipe over HDPE pipe. Firstly, ductile iron pipe is known for its high strength and durability. It is able to withstand higher pressure and is less likely to leak or burst compared to HDPE pipe. This makes ductile iron pipe a reliable choice for applications where high-pressure water or gas transmission is required, such as in municipal water supply systems or industrial piping networks. Secondly, ductile iron pipe has a longer lifespan compared to HDPE pipe. It is highly resistant to corrosion and can last for several decades, even under harsh environmental conditions. This reduces the need for frequent replacements, resulting in cost savings over time. Moreover, ductile iron pipe has excellent fire resistance properties. It can withstand high temperatures without compromising its structural integrity. This makes it a reliable choice for applications where fire safety is a concern, such as in fire hydrant systems or sprinkler systems. Additionally, ductile iron pipe is known for its superior flow characteristics. Its smooth inner surface reduces friction loss, allowing for efficient and consistent flow of fluids. This is particularly important in applications where maximum flow capacity is required, such as in water distribution systems or wastewater treatment plants. Furthermore, ductile iron pipe is highly recyclable. It can be melted down and reused to manufacture new pipes, reducing the environmental impact and promoting sustainability. In conclusion, the advantages of using ductile iron pipe over HDPE pipe include its high strength and durability, longer lifespan, fire resistance, superior flow characteristics, and recyclability. These factors make ductile iron pipe a preferred choice for various applications, especially those that require high-pressure transmission, longevity, fire safety, efficient flow, and environmental sustainability.

Q: How are ductile iron pipes protected against erosion caused by high-velocity flow?: Ductile iron pipes are protected against erosion caused by high-velocity flow through various methods and techniques. One common method is the application of protective coatings on the inner surface of the pipes. These coatings create a barrier between the flowing water and the pipe material, reducing the abrasive effects of the high-velocity flow. The coatings used may include epoxy, polyurethane, or cement-mortar lining, depending on the specific requirements of the application. Additionally, manufacturers often design the pipes with increased wall thickness in areas that are prone to erosion, such as bends or areas where the flow velocity is highest. This extra thickness provides additional strength and resistance against erosion. Another technique used to protect ductile iron pipes from erosion is the implementation of flow control devices, such as flow deflectors or velocity-reducing fittings. These devices help to redirect the flow and reduce its velocity, thereby minimizing the impact on the pipe walls. Regular maintenance and inspections are also crucial in preventing erosion. By monitoring the condition of the pipes and identifying any signs of erosion early on, appropriate measures can be taken to address the issue before it escalates. This may involve repairing or replacing damaged sections of the pipes, as well as implementing erosion control measures such as sediment filters or flow restrictors. Overall, a combination of protective coatings, design considerations, flow control devices, and proactive maintenance strategies are employed to ensure that ductile iron pipes are adequately protected against erosion caused by high-velocity flow.

Q: Are ductile iron pipes resistant to environmental stress cracking?: Yes, ductile iron pipes are highly resistant to environmental stress cracking.

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