DUCTILE IRON PIPE DN400 K7 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:What is the expected corrosion protection system for ductile iron pipes?: Typically, the expected corrosion protection system for ductile iron pipes involves a combination of external coatings, internal linings, and cathodic protection. To protect against corrosion, external coatings are applied to the pipe's exterior surface. These coatings, usually fusion-bonded epoxy, polyethylene, or polyurethane, act as a barrier against corrosion from soil, water, and chemicals. Furthermore, they play a crucial role in prolonging the pipe's lifespan. In order to safeguard against corrosion caused by the transported fluid, internal linings are applied to the pipe's interior surface. These linings, which can be made of cement mortar, epoxy, or polyurethane, provide a smooth and protective layer that prevents the formation of rust and scale. Cathodic protection is an electrochemical technique employed to shield ductile iron pipes from corrosion. It involves the utilization of sacrificial anodes or impressed current systems to generate a protective electrical current that counteracts the corrosion process. By employing this method, the formation of rust is prevented, thereby extending the pipe's longevity. It is important to acknowledge that the specific corrosion protection system for ductile iron pipes may differ depending on the application and environmental factors. To determine the appropriate corrosion protection system for a specific ductile iron pipe installation, consulting with corrosion experts and adhering to industry standards and guidelines is of utmost importance.

Q:Are ductile iron pipes suitable for use in wastewater pumping stations?: Indeed, in wastewater pumping stations, ductile iron pipes exhibit suitability. Ductile iron, a resilient and robust substance, possesses the capacity to endure the demanding circumstances and corrosive properties of wastewater. With its exceptional resistance to corrosion and ability to withstand high-pressure settings, ductile iron pipes represent an optimal selection for the conveyance of wastewater within pumping stations. Notably, these pipes boast an extended lifespan and necessitate minimal maintenance, thereby reducing operational expenses and guaranteeing dependable and effective wastewater transportation.

Q:Are ductile iron pipes suitable for use in sewage pumping stations?: Ductile iron pipes are highly suitable for use in sewage pumping stations due to their advantageous properties. These pipes are renowned for their durability, strength, and excellent corrosion resistance, making them an ideal choice for wastewater applications. They can endure the high pressures and abrasive characteristics of sewage systems without experiencing significant degradation or loss of performance over time. Moreover, the smooth interior surface of ductile iron pipes minimizes friction losses and prevents blockages. Additionally, these pipes have a long lifespan and require minimal maintenance, resulting in reduced overall operating costs. In conclusion, ductile iron pipes are an excellent option for sewage pumping stations.

Q:How much is the installation fee of the 400 largest ductile iron pipe?: Ductile iron pipes mainly called centrifugal ductile iron pipe, it has the properties of nature, iron and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, mainly for municipal, industrial and mining enterprises, water supply, gas, oil etc.. Water supply pipe is the first choice, with high cost performance.

Q:Can ductile iron pipe be used for mining applications?: Yes, ductile iron pipe can certainly be used for mining applications. Ductile iron is a type of cast iron that exhibits significant tensile strength, flexibility, and durability, making it suitable for demanding and rugged environments like mining. Its high strength-to-weight ratio allows for easy handling and installation, making it a cost-effective choice for mining operations. Ductile iron pipes are resistant to corrosion and have excellent mechanical properties, including high impact and fatigue resistance. These properties make them ideal for transporting various materials commonly found in mining, such as water, slurries, and abrasive ores. Additionally, ductile iron pipes have a long lifespan, ensuring reliable performance and minimal maintenance requirements in mining operations. Furthermore, ductile iron pipes can withstand high pressures and maintain their integrity under extreme conditions, making them suitable for underground mining applications. They can handle the demanding requirements of deep mining operations, including the transport of water for cooling or dust suppression, as well as the drainage of wastewater or mine dewatering. Overall, ductile iron pipes provide the necessary strength, resilience, and corrosion resistance required for mining applications. Their versatility, durability, and ease of installation make them a valuable choice for mining operations, ensuring efficient and reliable material transport while minimizing downtime and maintenance costs.

Q:What is the maximum allowable joint deflection for ductile iron pipes?: Industry standards and guidelines typically specify the maximum allowable joint deflection for ductile iron pipes. These standards can vary depending on the specific application and local regulations. Typically, the maximum allowable joint deflection for ductile iron pipes is limited to a range of 1% to 5% of the pipe diameter. This means that the pipe can tolerate a deflection of up to 1% to 5% of its diameter without causing significant damage or compromising its structural integrity. However, it is important to consider factors such as pipe size, wall thickness, and operating conditions as these can affect the exact maximum allowable joint deflection. For specific guidelines on the maximum allowable joint deflection for ductile iron pipes in a given application, it is recommended to consult relevant industry standards like those published by the American Water Works Association (AWWA) or the International Organization for Standardization (ISO).

Q:Can ductile iron pipes be used in areas with high water velocity?: Yes, ductile iron pipes can generally be used in areas with high water velocity. Ductile iron is known for its strength and durability, making it suitable for various applications, including high-velocity water flow. However, it is important to consider factors like pipe size, wall thickness, and proper installation techniques to ensure the pipes can handle the specific velocity conditions effectively.

Q:Are ductile iron pipes suitable for horizontal directional drilling?: Yes, ductile iron pipes are suitable for horizontal directional drilling due to their high strength and flexibility, which allows them to withstand the stress and bending forces during the drilling process.

Q:What is the expected sound attenuation of ductile iron pipes?: Several factors can affect the expected sound attenuation of ductile iron pipes. Generally, these pipes have good sound attenuation properties due to their dense construction and thick walls. The density of the material helps absorb and dampen sound waves, reducing noise transmission. Additionally, the thickness of the pipe walls adds an extra barrier for sound to pass through, contributing to sound attenuation. However, it's important to consider other factors that can influence the specific sound attenuation of ductile iron pipes. These factors include pipe diameter, wall thickness, installation method, and the surrounding environment. For example, larger diameter pipes may have slightly lower sound attenuation compared to smaller diameter pipes due to their increased surface area. Additionally, variations in wall thickness can affect the sound insulation properties. During installation, the presence of joints or fittings in the pipeline can create points where sound can transmit, reducing sound attenuation. Therefore, it is recommended to use proper installation techniques that minimize the use of joints and fittings to enhance sound attenuation. The surrounding environment also plays a role in sound attenuation. For instance, if the pipes are buried in soil, the composition and density of the soil can affect sound transmission properties. Moreover, the presence of other structures or materials nearby may influence the overall sound attenuation performance. To determine the specific expected sound attenuation of ductile iron pipes for a particular application, it is advisable to consult manufacturer specifications or seek assistance from acoustic engineering professionals. They can consider all relevant factors and conduct specific tests or simulations to provide accurate predictions.

Q:Are ductile iron pipes suitable for hydroelectric power plants?: Yes, ductile iron pipes are suitable for hydroelectric power plants. Ductile iron pipes are known for their strength, durability, and flexibility, making them an ideal choice for various applications in the water industry, including hydroelectric power plants. These pipes can withstand high pressure and are resistant to corrosion, making them suitable for transporting water at different stages of the hydroelectric power generation process. Additionally, ductile iron pipes have a long service life and require minimal maintenance, reducing the overall operating costs of the power plant. Hence, ductile iron pipes are a reliable and suitable option for hydroelectric power plants.

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