DUCTILE IRON PIPE DN1000 K8 CLASS System 1

DUCTILE IRON PIPE DN1000 K8 CLASS

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

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Supply Capability:: 30000Tons m/month

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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:How does ductile iron pipe perform in areas with high soil acidity?: Ductile iron pipe performs well in areas with high soil acidity due to its inherent corrosion resistance properties. The pipe is designed to withstand harsh environments and has a protective lining that prevents the acidic soil from causing damage. This lining acts as a barrier between the pipe and the soil, preventing the acid from corroding the iron. Additionally, ductile iron pipe has a high resistance to external loads, making it suitable for areas with unstable soil conditions. Overall, ductile iron pipe is a reliable choice for areas with high soil acidity as it can withstand the corrosive effects and provide long-lasting performance.

Q:Are ductile iron pipes suitable for use in irrigation pivot systems?: Yes, ductile iron pipes are suitable for use in irrigation pivot systems. Ductile iron is a strong and durable material that can withstand the high pressures and stress that are often present in irrigation systems. It is resistant to corrosion and can handle the constant exposure to water and various chemicals used in irrigation. Additionally, ductile iron pipes have a smooth interior surface, which helps to maintain a consistent water flow and minimize friction losses. Overall, ductile iron pipes are a reliable choice for irrigation pivot systems due to their strength, durability, and corrosion resistance.

Q:Can ductile iron pipes be used for underground cable conduits?: Ductile iron pipes are well-suited for underground cable conduits. They possess strength, durability, and corrosion resistance, making them suitable for a range of applications, including underground cable conduits. These pipes can handle heavy loads and safeguard cables against external elements. Furthermore, their long lifespan minimizes the need for frequent replacements and maintenance. Nonetheless, it is vital to consider factors like burial depth, soil conditions, and specific cable installation requirements when selecting ductile iron pipes for underground cable conduits.

Q:How do ductile iron pipes handle soil movement?: Ductile iron pipes are renowned for their exceptional strength and durability, rendering them highly adept at managing soil movement. These pipes are engineered to withstand the external loads and pressures arising from soil settlement, ground shifting, or other environmental elements. A significant characteristic of ductile iron pipes lies in their flexibility. Unlike inflexible materials such as cast iron or concrete pipes, ductile iron pipes possess a certain degree of elasticity, enabling them to endure soil movement without succumbing to cracks or fractures. This flexibility empowers the pipes to absorb the stresses imposed by the soil, effectively preventing any substantial harm to the pipeline system. Furthermore, ductile iron pipes exhibit remarkable tensile strength, allowing them to resist the pulling forces that arise from soil movement. The pipes can endure the expansion and contraction of the surrounding soil, thereby diminishing the likelihood of pipe deformation or failure. Additionally, ductile iron pipes are frequently installed using proper bedding and backfilling techniques to further enhance their capacity to handle soil movement. Adequate bedding materials, such as crushed stone or sand, are utilized to deliver stable support to the pipes and distribute the external loads uniformly. This serves to minimize the impact of soil movement on the pipes and uphold their structural integrity. In conclusion, ductile iron pipes are purposefully designed to proficiently manage soil movement by virtue of their flexibility, high tensile strength, and appropriate installation methods. These pipes can effectively endure the stresses generated by soil settlement, ground shifting, or other soil-related factors, ensuring dependable and long-lasting performance in a variety of environmental conditions.

Q:What are the different methods for anchoring ductile iron pipe?: There are several methods available for anchoring ductile iron pipe, depending on the specific application and requirements. 1. Thrust Blocks: This method involves constructing concrete blocks around the pipe at points where there are changes in direction or changes in pipe diameter. The blocks provide resistance against the thrust forces generated by the flowing water, preventing movement of the pipe. 2. Concrete Collars: Concrete collars or rings can be installed around the pipe at regular intervals to provide additional support and prevent lateral movement. These collars are typically made by pouring concrete into a pre-made mold around the pipe. 3. Pipe Clamps: Pipe clamps are metal brackets that can be attached to the pipe and anchored to a structure or a support system. These clamps come in various sizes and designs, providing flexibility in installation and allowing for adjustment as needed. 4. Pipe Restraints: Pipe restraints are devices specifically designed to restrain the movement of ductile iron pipe. They usually consist of a metal band or collar that is tightened around the pipe and attached to a concrete structure or an anchoring system. 5. Bell and Spigot Joint: The bell and spigot joint itself can act as a means of anchoring the pipe. The bell end of one pipe fits over the spigot end of another, creating a tight connection that helps resist movement. 6. Soil Embedment: Properly compacted soil surrounding the pipe can provide some level of anchoring. The soil should be compacted in layers around the pipe to ensure stability and prevent movement. It is important to note that the selection of the anchoring method depends on factors such as soil conditions, pipe diameter, operating pressure, and location. Consulting industry standards and guidelines, along with the assistance of a qualified engineer, is crucial in determining the appropriate anchoring method for a specific ductile iron pipe installation.

Q:Can cast iron pipes not be used for domestic water supply and drainage?: Cast iron pipes are mostly used in fire fighting, fire hydrant water supply and indoor water supply. Plastic pipes are used in general and high water riser pipes are made of plastic steel composite pipes

Q:What are the different methods for joining ductile iron pipe?: There are several methods for joining ductile iron pipe, each with its own advantages and limitations. One common method is mechanical joint (MJ) coupling, which involves using a rubber gasket and a set of bolts and nuts to create a watertight seal between pipe sections. This method is relatively quick and easy to install, but it requires a skilled technician to ensure proper alignment and bolt tightening to prevent leakage. Another method is flanged joint, where the pipe ends are equipped with flanges that are bolted together using gaskets to create a tight seal. This method allows for easy disassembly and reassembly of pipe sections, making it suitable for applications that require frequent maintenance or modifications. However, it is more expensive and time-consuming compared to other methods. One widely used method is push-on joint (POJ), which involves using a rubber gasket and a special lubricant to slide the pipe ends together. This method provides a reliable and watertight seal, and it is relatively quick and easy to install. However, it requires proper alignment and care to avoid damaging the gasket during assembly. Another option is restrained joint (RJ), which uses a mechanical joint coupling with additional features to resist axial forces or thrusts. This method is commonly used in applications where the pipe is subject to internal pressure, external loads, or seismic activity. It provides a secure and rigid connection but may require specialized tools and training for installation. Finally, welding is another method for joining ductile iron pipe. It involves heating the pipe ends and melting a filler metal to create a permanent bond. This method provides a strong and durable connection, but it requires skilled welders and additional time for preparation, welding, and cooling. Welding is often used for specific applications, such as joining sections of pipe with different diameters or connecting to other materials. In summary, the different methods for joining ductile iron pipe include mechanical joint coupling, flanged joint, push-on joint, restrained joint, and welding. The choice of method depends on factors such as the application requirements, installation time, maintenance needs, and budget.

Q:What are the different sizes available for ductile iron pipe?: Ductile iron pipes come in a wide variety of sizes to meet the needs of different applications in the water and wastewater industry. These pipes typically range in diameter from 3 inches to 64 inches. The most commonly used sizes are 4 inches, 6 inches, 8 inches, 10 inches, 12 inches, 16 inches, 20 inches, 24 inches, 30 inches, and 36 inches. However, larger sizes can also be manufactured for specific project requirements. Having different sizes available allows for flexibility in designing and constructing water distribution systems, sewage networks, and other infrastructure projects. The choice of the appropriate size depends on factors like the volume of flow, pressure requirements, and the distance the pipe needs to cover. It's important to note that the size of a ductile iron pipe refers to its internal diameter, which is also known as the nominal bore. The actual outside diameter of the pipe may vary slightly depending on the manufacturer and the specific dimensions provided. When selecting a size for ductile iron pipes, it's crucial to consider factors such as hydraulic capacity, installation requirements, and compatibility with other pipeline components. Seeking advice from engineers and industry experts is recommended to ensure the correct size is chosen for each particular application.

Q:Is the water cast iron pipe 100% for hydrostatic test?: After the site installation, according to the standard to test pressure, but a lot of construction units are not pressure test

Q:Can ductile iron pipes be used for geothermal heating and cooling systems?: Geothermal heating and cooling systems can utilize ductile iron pipes, as they possess the necessary strength and durability to withstand the high temperatures and pressures involved. The exceptional corrosion resistance of ductile iron is vital for ensuring long-term functionality when used underground in applications like geothermal systems. Moreover, the high thermal conductivity of ductile iron pipes enables efficient heat transfer within geothermal systems. Therefore, due to their strength, durability, corrosion resistance, and thermal conductivity, ductile iron pipes are a suitable option for geothermal heating and cooling systems.

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