DUCTILE IRON PIPE DN450 K12

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

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: Are ductile iron pipes suitable for fire protection systems?: Yes, ductile iron pipes are suitable for fire protection systems. Ductile iron is a strong and durable material that can withstand high pressure and temperature fluctuations, making it ideal for fire protection systems that require reliable and long-lasting pipes. Additionally, ductile iron has excellent corrosion resistance, which helps to prevent the degradation of the pipes over time, ensuring the integrity of the fire protection system. The high tensile strength of ductile iron also provides added safety benefits as it can withstand the stress and strain that may occur during a fire event. Therefore, ductile iron pipes are a suitable and commonly used material for fire protection systems in various applications, including commercial buildings, industrial facilities, and residential areas.

Q: How do ductile iron pipes compare to PVC pipes in terms of strength?: Ductile iron pipes are generally stronger than PVC pipes in terms of their ability to withstand external loads and pressure. Ductile iron has a higher tensile strength and can handle higher operating pressures, making it suitable for a wider range of applications, including underground and high-pressure systems. PVC pipes, on the other hand, have lower tensile strength and are more prone to cracking or bursting under high pressure or when exposed to extreme temperatures. However, PVC pipes are lighter and easier to handle, making them more convenient for installation and maintenance in certain situations.

Q: Can ductile iron pipe be used for geothermal heat exchange systems?: Yes, ductile iron pipe can be used for geothermal heat exchange systems. Ductile iron pipe is known for its strength and durability, which makes it suitable for handling the high temperatures and pressures associated with geothermal heat exchange systems. Additionally, ductile iron pipe has excellent corrosion resistance, which is important in geothermal systems where minerals and chemicals in the ground can cause corrosion. Ductile iron pipe also has good thermal conductivity, allowing for efficient heat transfer in geothermal systems. Overall, ductile iron pipe is a reliable and cost-effective choice for geothermal heat exchange systems.

Q: What are the specifications for the installation of water ball iron pipes?: Trench excavation: the width of the groove should be pressed by the meter: B=D1+2 (b1+b2). Type B: the width of excavation at the bottom of the pipe groove (mm) D1 the width of the outer edge of the pipe structure (mm) B1 - the width of the face of the pipe side (mm) B2 - the support width of the side of the pipe (mm).

Q: Are ductile iron pipes suitable for use in hydroelectric dams?: Yes, ductile iron pipes are suitable for use in hydroelectric dams. They offer high strength, durability, and corrosion resistance, making them ideal for the harsh conditions found in dam environments. Additionally, ductile iron pipes have excellent hydraulic properties and can handle high water pressure, making them a reliable choice for transporting water in hydroelectric dams.

Q: Are ductile iron pipes resistant to corrosion?: Yes, ductile iron pipes are resistant to corrosion. Ductile iron is a type of cast iron that has been treated with additional materials to make it more flexible and durable. These materials, such as graphite, magnesium, and cerium, create a protective barrier on the surface of the pipe, making it highly resistant to corrosion. Additionally, ductile iron pipes are often coated with a layer of cement mortar or a fusion-bonded epoxy coating, further enhancing their resistance to corrosion. This makes ductile iron pipes suitable for use in various applications, including water distribution, wastewater treatment, and industrial pipelines, where corrosion is a common concern.

Q: Ductile iron pipe is how many years warranty: Ductile iron pipe is a kind of cast iron pipe. In quality, the spheroidization of cast iron pipes is controlled to be 1-3 (spheroidization rate 80%), so the mechanical properties of the material have been better improved, with the nature of iron and the properties of steel. Ductile cast iron pipe after annealing, the microstructure is ferrite and pearlite, good mechanical properties, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc..

Q: Can ductile iron pipes be used for river crossings?: Yes, ductile iron pipes can be used for river crossings. Ductile iron is a strong and durable material that can withstand the stresses and pressures of being installed underground and crossing rivers. It is commonly used in water and sewage systems, including river crossings, due to its resistance to corrosion and its ability to handle high water pressure.

Q: How are ductile iron pipes inspected for quality control?: To guarantee compliance with industry standards, ductile iron pipes undergo a series of rigorous tests and inspections for quality control. Trained inspectors conduct visual inspections, carefully examining the pipes for visible defects like cracks, pits, or surface irregularities. This process aims to identify any visual flaws that could compromise the overall quality of the pipes. Dimensional inspection is another crucial quality control measure. Specialized tools and equipment are used to measure the pipes' dimensions, including diameter, wall thickness, and length. By comparing these measurements to specified tolerances, any deviations can be detected, and necessary corrective actions can be taken. Hydrostatic pressure testing is an important step in quality control. The pipes are subjected to internal pressure higher than their intended operating pressure to ensure they can withstand the required pressure without any leakage or failure. This test involves filling the pipes with water and gradually increasing the pressure while closely monitoring for any signs of leakage or deformation. Furthermore, mechanical tests such as tensile strength testing and impact testing are conducted to evaluate the pipes' mechanical properties. Controlled forces or impacts are applied to the pipes, and their response is measured. This allows for the assessment of the pipes' strength, toughness, and durability, ensuring they meet the necessary requirements. Metallurgical examinations are also carried out to analyze the microstructure of the ductile iron pipes. Samples are taken from the pipes, and microscopy techniques are used to examine the grain structure, phase distribution, and any potential defects at a microscopic level. This process helps identify any issues that may not be visible to the naked eye but could affect the overall quality of the pipes. Overall, the inspection process for ductile iron pipes encompasses a combination of visual, dimensional, hydrostatic, mechanical, and metallurgical tests. These quality control measures ensure that the pipes meet the required standards, providing reliable and durable infrastructure for various applications.

Q: Are ductile iron pipes resistant to sulfuric acid corrosion?: Generally, ductile iron pipes exhibit resistance to corrosion caused by sulfuric acid. Ductile iron, known for its strength and durability, contains a substantial amount of iron, which renders it less vulnerable to the harmful effects of sulfuric acid compared to materials like cast iron or steel. Nevertheless, it is crucial to consider that the degree of resistance can vary depending on factors such as the concentration and temperature of the sulfuric acid, as well as the duration of exposure. In scenarios where the acid is highly concentrated or the temperature is elevated, additional precautions may be required to guarantee long-term protection against sulfuric acid corrosion. These measures could include lining the pipes with suitable materials or employing corrosion inhibitors.

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