DUCTILE IRON PIPE DN 700 K10

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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:What are the common methods for flow control in ductile iron pipes?: The common methods for flow control in ductile iron pipes include the use of valves, such as gate valves, butterfly valves, and check valves. These valves are designed to regulate the flow of water or other fluids in the pipe, allowing for control and adjustment of the flow rate. Additionally, flow control can also be achieved through the use of flow meters and flow regulators, which monitor and regulate the flow of fluids through the pipe system.

Q:Are ductile iron pipes suitable for bridge crossings?: Indeed, bridge crossings are well-suited for the utilization of ductile iron pipes. Renowned for their exceptional strength and durability, ductile iron pipes present a dependable option for a wide range of applications, including bridge crossings. These pipes possess the capacity to endure substantial loads and exhibit resistance to corrosion, a particularly vital attribute when considering the challenging environmental conditions that bridge crossings may expose them to. Moreover, ductile iron pipes possess the remarkable ability to flex and withstand ground movement, rendering them an optimal choice for bridge crossings where the ground may experience shifting or settling over time. In conclusion, ductile iron pipes offer the necessary characteristics to guarantee the secure and efficient conveyance of fluids or materials across bridges.

Q:Are ductile iron pipes suitable for installation in areas with high groundwater contamination and soil erosion?: Ductile iron pipes are generally suitable for installation in areas with high groundwater contamination and soil erosion. This is because ductile iron pipes are known for their durability, strength, and resistance to corrosion. They have excellent resistance to acidic and alkaline soils, making them suitable for areas with high groundwater contamination. Furthermore, ductile iron pipes have a high resistance to soil erosion due to their robust construction. They are designed to withstand various external forces, including pressure from the surrounding soil and potential movement caused by erosion. This makes them a reliable choice for installation in areas prone to soil erosion. However, it is important to note that while ductile iron pipes can withstand high groundwater contamination and soil erosion, proper installation techniques and maintenance practices should be followed to ensure their longevity and optimal performance. Regular inspections, proper backfilling, and appropriate protective coatings should be employed to maximize the pipe's lifespan. In conclusion, ductile iron pipes are generally suitable for installation in areas with high groundwater contamination and soil erosion. Their durability, strength, resistance to corrosion, and high resistance to soil erosion make them a reliable choice for such environments. However, it is crucial to follow proper installation and maintenance practices to ensure their longevity and optimal performance.

Q:What is the external coating used in ductile iron pipes?: Ductile iron pipes usually have an external coating made of protective materials like zinc or asphalt. These coatings are applied to the pipe's surface to prevent corrosion and shield the iron from its surroundings. Zinc coatings, like hot-dip galvanizing, are widely employed because of their exceptional resistance to corrosion. Conversely, asphalt coatings offer a resilient and adaptable shield against corrosion and abrasion. The selection of the coating relies on factors such as the intended use, environmental circumstances, and project-specific requirements.

Q:Which is better, ductile iron pipe and spray plastic pipe?: Ductile iron pipe corrosion resistance, strength, it is said that the Ming Dynasty ordinary cast iron works now, and now has a new type of dedicated, can be used, construction becomes very convenient, ductile iron pipe has no effect on water quality. Plastic sprayed steel pipe is a new type of pipeline with higher price.

Q:How are ductile iron pipes protected against external impact or loading?: Ductile iron pipes are protected against external impact or loading through various methods and measures to ensure their durability and integrity. Some of the common ways in which ductile iron pipes are protected are: 1. Thickness and strength: Ductile iron pipes are designed with a sufficient wall thickness and high strength to withstand external loads and impacts. This ensures that the pipes can endure heavy loads and resist deformation or cracking. 2. Coatings: Ductile iron pipes are typically coated with protective layers to provide an additional barrier against external impact. These coatings can include cement mortar lining, polyethylene encasement, or epoxy coatings. These coatings not only offer impact resistance but also provide corrosion protection to the pipes. 3. Bedding and backfilling: Proper bedding and backfilling techniques are essential to protect ductile iron pipes from external loads. The pipes are correctly placed and surrounded by suitable materials like compacted granular bedding and backfill, which help distribute the external loads evenly and reduce the risk of pipe damage. 4. Trench design: The design of the trench in which the ductile iron pipes are installed is crucial for protecting them against external impact. The trench dimensions, slope stability, and proper compaction of the backfill are considered to minimize the chances of damage due to external loads. 5. Pipe layout and support: Proper pipe layout and support are vital to protect ductile iron pipes from external impact. Adequate support mechanisms like thrust blocks, pipe anchors, and pipe restraints are employed to absorb and distribute external loads, preventing any damage to the pipes. 6. Protective structures: In areas where there is a higher risk of external impact, additional protective structures are installed to safeguard the ductile iron pipes. These structures can include concrete encasements, bollards, or reinforced concrete slabs, which act as physical barriers against potential impacts. Overall, a combination of factors such as pipe strength, coatings, proper installation techniques, and support measures work together to ensure the protection of ductile iron pipes against external impact or loading. These measures enhance the longevity and reliability of the pipes, ensuring their efficient performance in various applications.

Q:How do ductile iron pipes perform in freeze-thaw cycles?: Ductile iron pipes perform well in freeze-thaw cycles due to their high tensile strength and flexibility. Unlike brittle materials, ductile iron can withstand the expansion and contraction caused by freezing and thawing without cracking or breaking. This makes them a reliable choice for water and sewer systems in regions with harsh winter climates.

Q:Are ductile iron pipes compatible with other pipe materials?: Yes, ductile iron pipes are compatible with other pipe materials. They can be connected to pipes made of various materials such as PVC, HDPE, steel, and more, using appropriate fittings and connectors.

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:How does ductile iron pipe perform in areas with high groundwater levels?: Ductile iron pipe performs exceptionally well in areas with high groundwater levels. One of the key advantages of ductile iron pipe is its corrosion resistance, which makes it highly suitable for underground applications and areas with high water tables. Unlike other materials, ductile iron pipe is not susceptible to rust or corrosion caused by groundwater, ensuring its durability and longevity. Furthermore, ductile iron pipe has excellent strength and flexibility, allowing it to withstand the external pressure exerted by high groundwater levels. It can resist the buoyant forces exerted by water, preventing it from floating or shifting out of place. In addition, ductile iron pipe's joints are tightly sealed, preventing any groundwater from infiltrating the pipe system. This ensures that there is no leakage or contamination of the water supply, which is crucial in areas with high groundwater levels. Overall, ductile iron pipe is the ideal choice for areas with high groundwater levels due to its corrosion resistance, strength, and ability to maintain a tight, secure system. It provides a reliable and long-lasting solution for water distribution and sewer systems, even in challenging environments.

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