DUCTILE IRON PIPE AND PIPE FITTINGS C CLASS DN900

DUCTILE IRON PIPE AND PIPE FITTINGS C CLASS DN900

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 pc

Supply Capability:: 3000 pc/month

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Ductile Iron Pipe On Sale Made In China DN100

· Material : Ductile Cast Iron

· Size Range : DN 80mm to DN 2000mm

· Unit Effective Length : 6m or 5.7m

· Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007

· Annual capacity : 200,000 tons

· Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.

· Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179

· Special requirements on external coating and internal lining can be applied

· We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
Photos of loading process will be sent to the customer after shipment effect.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q:Are ductile iron pipes suitable for use in acidic environments?: Highly acidic environments are generally unsuitable for the use of ductile iron pipes. While ductile iron is recognized for its strength and durability, it does have limitations in acidic conditions. Over time, acidic environments tend to corrode and deteriorate ductile iron pipes. Corrosion occurs when the acid in the environment reacts with the iron in the pipe, eventually leading to pipe failure. The rate at which corrosion occurs depends on several factors, including the concentration and type of acid, temperature, and duration of exposure. Acidic environments with pH levels below 4 or 5 can significantly accelerate the corrosion process. To address this limitation, alternative materials such as stainless steel or corrosion-resistant alloys like PVC or HDPE pipes are often recommended for use in acidic environments. These materials exhibit superior resistance to corrosion and can withstand the harsh conditions associated with acidic environments. However, it is worth noting that ductile iron pipes may still be suitable for use in mildly acidic conditions or if protective measures are implemented to prevent corrosion. The application of protective coatings or linings to the pipes can help minimize the corrosive effects of acids. Consulting experts or engineers who are knowledgeable about the specific conditions and requirements of the project is crucial in determining the most appropriate material for use in acidic environments.

Q:Do ductile iron pipes require internal linings or coatings?: Ductile iron pipes do not typically require internal linings or coatings. Ductile iron is known for its inherent corrosion resistance, which is primarily due to its composition and microstructure. The iron in ductile iron pipes is treated with magnesium, resulting in the formation of graphite nodules that give the material its ductile properties. This microstructure also provides a protective layer on the surface of the pipe, which helps to prevent corrosion. Additionally, ductile iron pipes have been used for several decades without the need for internal linings or coatings, proving their durability and resistance to corrosion. The smooth interior surface of ductile iron pipes also helps to minimize friction and maintain efficient flow rates. However, in certain cases where the conveyed fluid is highly corrosive or abrasive, or if the water quality is aggressive, internal linings or coatings may be recommended. These linings or coatings can be applied to protect the pipe from chemical attack or to prevent the leaching of iron into the water supply. Ultimately, the decision to use internal linings or coatings on ductile iron pipes depends on various factors such as the specific application, water quality, and local regulations. Consulting with professionals in the field, such as engineers or pipe manufacturers, can provide more tailored advice for specific scenarios.

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:Can ductile iron pipe be used for underground fire protection systems?: Underground fire protection systems can utilize ductile iron pipe, a strong and durable material commonly used in various applications such as water and wastewater systems and fire protection systems. This material boasts excellent strength, corrosion resistance, and longevity, making it particularly suitable for underground installations. When it comes to fire protection systems, ductile iron pipe is highly capable of managing high-pressure water flow and enduring extreme conditions, making it an ideal option for underground installations. It can withstand the intense heat and pressure that may arise during a fire event. Furthermore, ductile iron pipe is available in different sizes and configurations, allowing for flexibility in design and installation. It is also compatible with various types of fittings and accessories, simplifying the connection to other components of the fire protection system. All in all, ductile iron pipe is a trustworthy and long-lasting choice for underground fire protection systems, guaranteeing the safety of the premises and its occupants.

Q:How to control mortar proportioning in ductile iron pipe cement coating: The mixing ratio of ductile iron pipe cement coating mortar is indicated on the design drawings, and the amount of raw material can be calculated according to mortar varieties and mixture ratio.

Q:How do ductile iron pipes handle water hammer in high-rise buildings?: Ductile iron pipes are known for their durability and strength, making them an excellent choice for handling water hammer in high-rise buildings. Water hammer is a common phenomenon that occurs when the flow of water in a pipe is suddenly stopped or changed direction, resulting in a pressure surge. This can cause significant stress on the pipes and potentially lead to damage or failure. Ductile iron pipes are designed to withstand high-pressure situations, making them highly resistant to water hammer. They have a high tensile strength and can handle the sudden changes in pressure without deforming or fracturing. This is particularly important in high-rise buildings where the water supply needs to be delivered to various floors with different pressures. Moreover, ductile iron pipes have excellent corrosion resistance properties, which further enhances their ability to handle water hammer. Corrosion can weaken pipes over time and make them more susceptible to failure during pressure surges. However, the corrosion resistance of ductile iron pipes ensures that they remain structurally sound even in high-pressure situations. Additionally, the flexibility of ductile iron pipes allows them to absorb and dissipate the energy generated by water hammer. This helps to minimize the impact on the overall system and reduce the potential for damage. The ability to absorb energy also helps to reduce noise and vibrations associated with water hammer, creating a more comfortable and efficient water supply system. In conclusion, ductile iron pipes are well-equipped to handle water hammer in high-rise buildings. Their strength, corrosion resistance, and flexibility make them a reliable choice for delivering water under varying pressures without compromising the integrity of the system.

Q:Are ductile iron pipes more expensive than other pipe materials?: Ductile iron pipes can be more expensive than some other pipe materials, but it depends on various factors. Ductile iron pipes are known for their durability, strength, and corrosion resistance, which can make them a cost-effective choice in the long run. However, the initial cost of ductile iron pipes can be higher compared to materials like PVC or HDPE. Additionally, the installation process for ductile iron pipes may require more labor and specialized equipment, adding to the overall cost. However, it is important to consider the specific project requirements, including factors like the environment, expected lifespan, and required pressure ratings, when evaluating the overall cost-effectiveness of ductile iron pipes compared to other pipe materials.

Q:How much is a ductile iron pipe dn400?: Ductile iron pipe nominal diameter is 80 ~ 2200 mm, compared with grey cast iron, high strength, good toughness, thin wall metal, less dosage, and can withstand high pressure, effective length of 5 meters, 6 meters and 8 meters; according to the different thickness of P, G two. It is the development direction of cast iron pipe.

Q:Can ductile iron pipes be used for rainwater harvesting systems?: Yes, ductile iron pipes can be used for rainwater harvesting systems. Ductile iron pipes are known for their durability and strength, making them suitable for various applications, including rainwater harvesting. These pipes are resistant to corrosion and can withstand high pressure, which is essential for transporting rainwater from the collection point to storage tanks or distribution systems. Additionally, ductile iron pipes have a long lifespan, reducing the need for frequent replacements and making them a cost-effective choice for rainwater harvesting systems.

Q:Can ductile iron pipes be used for irrigation of golf courses?: Certainly, ductile iron pipes are applicable for the irrigation of golf courses. Renowned for their durability, strength, and resistance to corrosion, these pipes are suitable for a wide range of uses, including irrigation systems. They possess the ability to endure high-pressure water flow and are less prone to cracking or breaking when compared to alternative materials. Moreover, ductile iron pipes boast an extended lifespan, minimizing the necessity for frequent maintenance or replacement. Consequently, they represent a dependable option for the irrigation of golf courses, where a continuous and efficient water supply is imperative for sustaining healthy turf and landscaping.

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