ductile iron pipe NEGOTIATED

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

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 ductile iron 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 ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

ductile iron pipe NEGOTIATED

Q:Are ductile iron pipes resistant to hydrogen sulfide corrosion?: Generally, ductile iron pipes exhibit resistance to hydrogen sulfide corrosion. Ductile iron, a form of cast iron treated with magnesium, results in a material that is both flexible and durable. This treatment considerably improves its resistance to corrosion, including corrosion caused by hydrogen sulfide. The magnesium within the ductile iron creates a protective layer on the surface, preventing the infiltration of hydrogen sulfide and other corrosive substances. Nonetheless, it is important to acknowledge that the resistance of ductile iron pipes to hydrogen sulfide corrosion can still be affected by factors such as the concentration and duration of exposure to the corrosive environment. Hence, it is crucial to implement proper maintenance, regular inspection, and appropriate protective measures to ensure the long-term durability and performance of ductile iron pipes in the presence of hydrogen sulfide.

Q:What are the typical joint sealing requirements for ductile iron pipes?: The typical joint sealing requirements for ductile iron pipes include the use of rubber gaskets or mechanical joints. Rubber gaskets are commonly used for joint sealing in ductile iron pipes as they provide a reliable and flexible seal. These gaskets are typically made of synthetic rubber materials that are resistant to water, chemicals, and other environmental factors. Mechanical joints, on the other hand, are another common method of joint sealing in ductile iron pipes. These joints consist of a mechanical device that connects the pipes together and provides a watertight seal. Mechanical joints are typically designed to allow for some movement and flexibility, which is especially important in areas where ground movement or settlement may occur. In addition to using rubber gaskets or mechanical joints, it is also important to properly clean and prepare the pipe surfaces before making the joint. This may involve removing any dirt, debris, or old joint material from the pipe ends to ensure a proper seal. The joint should then be assembled according to the manufacturer's instructions, ensuring that the gasket or mechanical joint is correctly positioned and tightened to the recommended torque. Overall, the typical joint sealing requirements for ductile iron pipes involve the use of rubber gaskets or mechanical joints, proper cleaning and preparation of the pipe ends, and following the manufacturer's instructions for assembly. These requirements are essential for ensuring a watertight and durable joint that can withstand the pressures and environmental conditions commonly encountered in ductile iron pipe systems.

Q:Can ductile iron pipes be used in areas with high soil settlement?: Ductile iron pipes are suitable for areas with high soil settlement due to their strength and durability. They can withstand external loads and ground movement, making them an ideal choice for such areas. Additionally, these pipes have a high resistance to corrosion, making them even more suitable for use in areas with high soil settlement. However, it is important to consider factors such as proper installation techniques, appropriate bedding and backfill materials, and regular maintenance to ensure the longevity and performance of the ductile iron pipes in these areas. Consulting with a qualified engineer or pipe manufacturer can provide more specific guidance based on the site's conditions and requirements.

Q:Are ductile iron pipes suitable for use in agricultural applications?: Yes, ductile iron pipes are suitable for use in agricultural applications. Ductile iron pipes are known for their high strength and durability, making them ideal for withstanding the heavy loads and pressures often found in agricultural operations. Additionally, they have excellent corrosion resistance, which is important in agricultural environments where pipes may be exposed to chemicals or fertilizers. Ductile iron pipes also have a long lifespan, reducing the need for frequent replacements and minimizing maintenance costs. Overall, their robust nature and ability to handle various agricultural demands make them a reliable choice for use in agricultural applications.

Q:Advantages and disadvantages of ductile iron pipes?: Ductile iron pipes are widely used for municipal water supply and drainage, rural drinking water and outdoor fire fighting works; mechanisms; cast iron pipes; main use; municipal high water drainage.

Q:How are ductile iron pipes different from cast iron pipes?: Ductile iron pipes are different from cast iron pipes in terms of their composition and properties. Ductile iron pipes are made from a type of cast iron that has been treated with magnesium to improve its strength and flexibility. This makes ductile iron pipes more durable, impact-resistant, and less prone to cracking or breaking compared to traditional cast iron pipes. Additionally, ductile iron pipes have a higher tensile strength, allowing them to withstand higher internal and external pressures. In summary, ductile iron pipes are a more modern and advanced version of cast iron pipes, offering improved performance and longevity.

Q:How are ductile iron pipes protected against internal scaling or buildup?: Ductile iron pipes are protected against internal scaling or buildup through the use of various coatings and linings. One commonly used method is cement mortar lining, where a layer of cement mortar is applied to the inner surface of the pipe to prevent scaling and corrosion. Additionally, epoxy coatings are also utilized, which provide a smooth and protective layer that inhibits the formation of scale and buildup. These protective measures help to ensure the longevity and efficiency of ductile iron pipes in various applications.

Q:What is the maximum temperature that ductile iron pipe can handle?: The ability of ductile iron pipe to withstand high temperatures varies depending on factors such as the grade of ductile iron, the length of time exposed to heat, and the presence of external factors like corrosive environments. In general, ductile iron pipes can tolerate temperatures up to 400-450 degrees Fahrenheit (204-232 degrees Celsius) for short periods. However, it is crucial to refer to the manufacturer's specifications and guidelines to determine the exact maximum temperature limits for a specific grade of ductile iron pipe. Additionally, it is advisable to consider the consequences of thermal expansion, potential loss of mechanical properties, and any additional protective measures that may be necessary when operating at elevated temperatures.

Q:Are ductile iron pipes prone to external corrosion?: Yes, ductile iron pipes are prone to external corrosion.

Q:Can ductile iron pipes be used for irrigation systems in saline soil conditions?: Ductile iron pipes, due to their durability and corrosion resistance, can be utilized for irrigation systems in saline soil conditions. These pipes are renowned for their ability to withstand various soil conditions, including saline soil, which is characterized by elevated salt levels that can lead to corrosion and material deterioration. However, ductile iron pipes possess a protective coating, such as cement mortar lining or polyethylene encasement, that provides an added layer of defense against corrosion. Consequently, they can endure the corrosive impacts of saline soil and maintain their structural integrity for an extended duration. Moreover, ductile iron pipes exhibit a high tensile strength, enabling them to resist cracks and breaks, which is crucial for irrigation systems necessitating a consistent and dependable water supply. Consequently, ductile iron pipes represent a viable option for irrigation systems operating in saline soil conditions.

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