DUCTILE IRON PIPE DN125 K7

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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 different types of thrust restraints for ductile iron pipe?: There are several different types of thrust restraints that can be used for ductile iron pipe installations. These thrust restraints are designed to prevent the pipe from moving or separating under the forces generated by internal pressure, external loads, or changes in temperature. 1. Thrust blocks: Thrust blocks are concrete structures that are typically installed at bends, tees, and other changes in direction in the pipeline. They are designed to resist the thrust forces by transferring them to the surrounding soil or foundation. 2. Mechanical restraints: Mechanical restraints, such as tie rods or harnesses, are used to restrain the pipe by exerting an external force on it. These restraints are typically made of steel and can be adjusted to accommodate changes in pipe length or alignment. 3. Pipe anchors: Pipe anchors are devices that are installed at specific intervals along the pipeline to provide resistance against axial movement. They are usually made of steel and are embedded into the surrounding soil or concrete to provide a secure anchor point for the pipe. 4. Thrust collars: Thrust collars are devices that are installed around the pipe to prevent it from moving or separating. They are typically made of steel and are placed at strategic locations along the pipeline to absorb the thrust forces. 5. Restrained joint systems: Restrained joint systems are specialized pipe joints that are designed to resist axial forces. These joints typically have additional features, such as keyways or wedges, that provide resistance against movement. It is important to select the appropriate type of thrust restraint based on the specific requirements of the ductile iron pipe installation. Factors such as the pipe diameter, operating pressure, soil conditions, and potential external loads should be considered when determining the most suitable thrust restraint system. Consulting with a qualified engineer or pipe manufacturer can help ensure the proper selection and installation of thrust restraints for ductile iron pipe.

Q:How long do ductile iron pipes last?: Ductile iron pipes have a lifespan of about 100 years or even more, making them a highly durable and long-lasting choice for water and sewage systems.

Q:Can ductile iron pipes be used in areas with high levels of industrial effluents?: Areas with high levels of industrial effluents can indeed utilize ductile iron pipes. Ductile iron, a variant of cast iron known for its enhanced flexibility and strength, possesses remarkable resistance to corrosion and abrasion. Hence, it is well-suited for managing a wide range of industrial effluents, including those abundant in chemicals, acids, or other corrosive substances. To bolster their defense against chemical attacks, ductile iron pipes feature protective linings, such as cement mortar or polyethylene. These linings serve as barriers, preventing direct contact between the effluents and the iron material. Consequently, the pipes maintain their longevity and integrity. In addition, ductile iron pipes have gained considerable usage in industrial applications involving corrosive environments. They have shown themselves to be dependable and long-lasting, even in demanding conditions. Of course, proper maintenance and regular inspections remain crucial in ensuring the ongoing performance of ductile iron pipes within areas possessing high levels of industrial effluents. It is pivotal to bear in mind the specific characteristics of the effluents and seek guidance from experts or manufacturers when determining the most suitable pipe materials and linings for a particular industrial setting.

Q:Can ductile iron pipes be used for potable water systems?: Yes, ductile iron pipes can be used for potable water systems. Ductile iron is a strong and durable material that is resistant to corrosion and has been widely used in water distribution systems for many years. It meets the necessary standards and regulations for the transportation of potable water, making it a suitable choice for such applications.

Q:What is the expected burst pressure of ductile iron pipes?: The expected burst pressure of ductile iron pipes can vary depending on various factors such as the pipe diameter, wall thickness, and the specific grade of ductile iron used. However, in general, ductile iron pipes typically have a burst pressure ranging from 350 to 700 psi (pounds per square inch).

Q:How are ductile iron pipes transported and stored?: To ensure the safety and integrity of ductile iron pipes, a systematic and cautious approach is taken during their transportation and storage. Typically, specialized vehicles such as flatbed trucks or trailers are used to transport ductile iron pipes. These vehicles are specifically designed to accommodate the size and weight of the pipes. They are equipped with securing mechanisms that effectively prevent any movement or damage during transit. Forklifts or cranes are used to load the pipes onto the vehicles, ensuring proper support and balance to prevent bending or deformation. To protect the pipes from external factors that may cause damage, measures are taken during transportation. Covers or wraps are placed over the pipes to shield them from adverse weather conditions such as rain, snow, or excessive sunlight. Straps or chains are also used to secure the pipes, preventing any shifting or rolling during transit. During storage, ductile iron pipes are stacked horizontally on specially designed racks or supports. This ensures even weight distribution and minimizes the risk of deformation or stress on the pipes. The storage area must be clean, dry, and well-ventilated to prevent corrosion or deterioration. It is crucial to handle ductile iron pipes with care to avoid impact or rough handling that could result in cracks or fractures. Workers involved in the transportation and storage process must receive proper training to ensure they adhere to protocols and use the necessary equipment, including lifting machinery and protective gear. Regular inspections of transported and stored ductile iron pipes are necessary to identify any signs of damage or corrosion. This allows for timely repairs or replacements, preventing any issues when the pipes are installed for their intended use. In conclusion, the transportation and storage of ductile iron pipes necessitate meticulous planning, appropriate equipment, and adherence to safety protocols to maintain their condition and performance.

Q:How does ductile iron pipe resist internal corrosion?: Ductile iron pipe resists internal corrosion due to the protective barrier formed by its cement lining. This lining acts as a barrier between the iron pipe and the transported fluid, preventing direct contact and minimizing the chances of corrosion. Additionally, the high carbon content in ductile iron enhances its corrosion resistance compared to other types of iron pipes.

Q:How do ductile iron pipes handle concentrated loads?: Ductile iron pipes are highly resistant to concentrated loads due to their inherent strength and flexibility. They have the ability to distribute the load over a larger area, minimizing the risk of failure or damage. This makes them suitable for handling heavy loads and ensuring long-term durability in various applications.

Q:Can ductile iron pipe be used for marine applications?: Yes, ductile iron pipe can be used for marine applications. Ductile iron is a type of cast iron that possesses high strength, durability, and resistance to corrosion. These properties make it suitable for various marine environments, including saltwater applications. Ductile iron pipes are commonly used for marine applications such as seawater intake and outfall systems, offshore oil and gas platforms, submarine pipelines, and marine dredging projects. The corrosion-resistant nature of ductile iron helps protect against the harsh conditions found in marine environments, such as corrosive saltwater, tidal currents, and marine organisms. Additionally, ductile iron pipes are known for their excellent mechanical properties, including high tensile strength and impact resistance, which further enhance their suitability for marine applications. Overall, ductile iron pipe is a reliable and cost-effective choice for various marine applications.

Q:The difference between flexible joint cast iron pipe and flexible anti-seismic cast iron pipe: Nodular cast iron pipes and fittings technical manual PDF download Fan Yingjun handsome date: Author: fan manufacturing technology, in January 2006, this book introduces the ductile iron pipe interface form, quality standard, installation technology and special use of ductile cast iron pipe and other content, lists all the technical parameters for ductile iron pipes, pipe fittings interface in order to facilitate the readers to use and accessories

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