ductile iron pipe china Pipe Wall Thickness:standerd

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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

Q: An urban infrastructure construction, water supply pipe is ductile iron pipe and PE pipe, thank you: Because the construction of municipal water supply pressure will be relatively large, generally used in the selection of pipe centrifugal ductile iron pipe, he has properties of iron essence and steel, excellent corrosion resistance, good ductility, good sealing effect, simple installation, ductile iron pipe is mainly used for municipal, industrial and mining enterprises, water supply, gas, oil etc.

Q: How do ductile iron pipes handle water hammer in high-rise buildings?: Known for their durability and strength, ductile iron pipes are an excellent option for managing water hammer in high-rise structures. Water hammer, a common occurrence when water flow abruptly halts or changes direction in pipes, causes pressure surges that can strain and potentially harm the pipes. Engineered to withstand high-pressure scenarios, ductile iron pipes exhibit remarkable resistance to water hammer. With their high tensile strength, these pipes can endure sudden pressure changes without warping or fracturing. This feature is especially crucial in high-rise constructions where water distribution must accommodate various floor pressures. Furthermore, the outstanding corrosion resistance of ductile iron pipes bolsters their ability to handle water hammer. Over time, corrosion weakens pipes, making them more prone to failure during pressure surges. However, the corrosion resistance of ductile iron pipes guarantees their structural integrity even in high-pressure circumstances. Moreover, the flexibility of ductile iron pipes enables them to absorb and dissipate the energy generated by water hammer. Consequently, the overall system experiences minimal impact, reducing the potential for damage. Absorbing energy also contributes to minimizing noise and vibrations associated with water hammer, thus enhancing the efficiency and comfort of the water supply system. To summarize, ductile iron pipes are well-suited to manage water hammer in high-rise buildings. Their strength, corrosion resistance, and flexibility make them a reliable choice for delivering water under varying pressures while upholding the system's integrity.

Q: Are ductile iron pipes suitable for road crossings?: Yes, ductile iron pipes are suitable for road crossings. Ductile iron is a strong and durable material, making it well-suited for underground installations such as road crossings. The pipes have high tensile strength, which allows them to withstand heavy loads and traffic pressures without cracking or breaking. Ductile iron pipes also have excellent corrosion resistance properties, ensuring their longevity even in harsh environments. Additionally, these pipes are easy to install and maintain, making them a reliable choice for road crossings.

Q: Will the cast iron pipes rust?: Qualified ductile iron pipe requires lining standard cement. The outer wall of pipe needs spraying zinc treatment and asphalt paint coating, and other epoxy resin paint can also be selected.

Q: How are ductile iron pipes protected against internal corrosion caused by chemicals?: To safeguard against internal corrosion caused by chemicals, ductile iron pipes implement various protective measures. Primarily, these pipes are equipped with either a cement mortar lining or an epoxy coating, creating a barrier between the water or sewage's chemical substances and the iron material. This barrier effectively prevents direct contact, thereby averting corrosion. Additionally, a corrosion-resistant polymer or bituminous coating is frequently applied to the pipes' exterior. This supplementary layer of protection shields the pipes from potential chemical exposure originating externally. Moreover, cathodic protection is a commonly employed technique to counter internal corrosion. Sacrificial anodes, typically composed of zinc or magnesium, are affixed to the pipes. Over time, these anodes undergo corrosion instead of the iron, sacrificing themselves to safeguard the pipes against chemical-induced corrosion. Furthermore, regular maintenance and monitoring play a crucial role in the prevention and rectification of corrosion issues. This entails routine inspections, cleaning, and prompt repair of any corroded or damaged areas. Overall, the integration of lining, external coating, cathodic protection, and maintenance practices ensures the comprehensive protection of ductile iron pipes against internal corrosion caused by chemicals. This prolongs their lifespan and guarantees the integrity of the pipeline system.

Q: Can ductile iron pipes be used in areas with high levels of industrial effluents?: Yes, ductile iron pipes can be used in areas with high levels of industrial effluents. Ductile iron is a type of cast iron that has enhanced flexibility and strength, making it highly resistant to corrosion and abrasion. This makes it suitable for handling various types of industrial effluents, including those with high levels of chemicals, acids, or other corrosive substances. Ductile iron pipes have a protective lining, such as cement mortar or polyethylene, which further enhances their resistance to chemical attack. These linings prevent the effluents from coming into direct contact with the iron material, ensuring the longevity and integrity of the pipes. Moreover, ductile iron pipes have been used extensively in industrial applications where corrosive environments are present. They have proven to be durable and reliable, with a long service life, even in challenging conditions. Proper maintenance and regular inspections are essential to ensure the continued performance of ductile iron pipes in areas with high levels of industrial effluents. It is crucial to consider the specific characteristics of the effluents and consult with experts or manufacturers to determine the most suitable pipe materials and linings for the particular industrial environment.

Q: Can ductile iron pipes be used for wastewater pumping stations?: Yes, ductile iron pipes can be used for wastewater pumping stations. Ductile iron pipes have excellent strength and durability, making them suitable for transporting wastewater and handling the high pressures and corrosive nature of the sewage. Additionally, ductile iron pipes have a smooth interior surface, which prevents clogs and allows for efficient flow of wastewater. These pipes are also resistant to damage from external factors such as soil movement or heavy traffic, making them a reliable choice for wastewater pumping stations.

Q: How long is the service life of the cast iron pipe, and the time of use of ductile iron pipes?: When it comes to the service life of nodular cast iron, its maintenance is essential for its long service life. Then, the focus of the maintenance of ductile iron pipe is to pay special attention to, will affect the long-term use of ductile iron pipes, stable operation of socket, row, etc., we should make efforts to these aspects of the mouth without debris. Make sure that the rubber ring of the ductile iron pipe has been smashed with a rubber hammer, and it is not twisted or twisted, and it is uniformly stuck in the slot. Ductile iron pipe in the maintenance process, because of the pneumatic tube axis is buried into the ground, so in the face of a tilt angle of the time, we must be careful, if the resistance is too large, will not force the excavation, in order to prevent the distortion of the rubber ring.

Q: What kind of valves are commonly used in ductile iron pipes?: Gate valve, butterfly valve, globe valve, check valve flange of various valves, (but the pipeline used for water supply and some limitations of the transport medium may be prescribed valve type) now due to material improvements in the technology, in most cases, smaller pipe diameter is also large diameter pipe outlet valve, butterfly valve, because of the pipeline the large diameter pressure in the pipeline and water than the small caliber to open and close the valve, to human hard, efficiency is not high, so for butterfly valve,

Q: How do ductile iron pipes perform in freeze-thaw cycles?: Ductile iron pipes perform exceptionally well in freeze-thaw cycles. The material properties of ductile iron, such as its high tensile strength and excellent impact resistance, make it highly resistant to the stresses caused by freeze-thaw cycles. Unlike other materials, ductile iron pipes can withstand the expansion and contraction that occurs during freezing and thawing without cracking or breaking. One of the key reasons why ductile iron pipes excel in freeze-thaw conditions is their ability to absorb and dissipate stresses. The high ductility of the material allows it to deform slightly under stress, thereby releasing the built-up pressure and preventing any damage to the pipe. This characteristic ensures that the pipes can handle the repeated cycles of freezing and thawing without compromising their structural integrity. Additionally, ductile iron pipes have a protective and durable coating, such as cement mortar lining or polyethylene encasement, which further enhances their resistance to freeze-thaw cycles. These coatings provide an additional layer of protection and prevent water from coming into direct contact with the iron, reducing the potential for corrosion. Furthermore, ductile iron pipes have a long service life, typically exceeding 100 years. This longevity is attributed to the material's inherent strength and resistance to various environmental factors, including freeze-thaw cycles. The pipes' ability to withstand these cycles without significant damage ensures the reliability and durability of the water distribution system, even in areas prone to freezing temperatures. In conclusion, ductile iron pipes are highly reliable and perform exceptionally well in freeze-thaw cycles. Their high tensile strength, impact resistance, ability to absorb stresses, and protective coatings make them a preferred choice for water distribution systems in regions with harsh winter conditions.

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