Ductile Iron Pipe DN700

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

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Specifications

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Place of Origin:	China (Mainland)	Brand Name:	CMAX	Model Number:	T type / K type / Flange type
Length:	6m / 5.7m / Negotiable	Standard:	ISO2531 / EN545 / EN598	Application:	Potable / Sewage water
Diameter:	DN80~DN2200	Shape:	Round	Hardness:	230
Pipe Wall Thickness:	standard	Pull Strength:	420	Yield (≥ MPa):	300
Material:	Ductile Iron	Type:	Centrifugal ductile cast iron pipe	Certification:	ISO2531 / EN545 / EN598
Outer Diameter:	80-2200	Thickness:	standard	Specification:	DN80~DN2200

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Q: Can ductile iron pipes be used for bridge piers?: Yes, ductile iron pipes can be used for bridge piers. Ductile iron is a strong and durable material that can withstand heavy loads and provide structural support, making it suitable for bridge construction.

Q: Can ductile iron pipe be used for industrial wastewater applications?: Certainly, industrial wastewater applications can make use of ductile iron pipe. Renowned for its robustness, longevity, and corrosion resistance, ductile iron pipe proves itself suitable for a multitude of purposes, including wastewater systems. Its ability to withstand high pressure and endure demanding conditions renders it perfect for industrial wastewater applications that may involve abrasive or corrosive substances. Furthermore, the installation and maintenance of ductile iron pipe are effortless, resulting in reduced costs and guaranteed long-term dependability. Nevertheless, it remains crucial to carefully scrutinize the unique prerequisites of the wastewater application and seek guidance from professionals to ascertain the most fitting pipe material and design.

Q: Can ductile iron pipes be used for underground oil and gas pipelines?: Yes, ductile iron pipes can be used for underground oil and gas pipelines. Ductile iron is a strong and durable material that can withstand high pressure and corrosive environments, making it suitable for such applications. Additionally, its flexibility allows it to accommodate ground movement and settle effectively, reducing the risk of damage to the pipelines.

Q: Are ductile iron pipes resistant to biogenic sulfide corrosion?: Yes, ductile iron pipes are resistant to biogenic sulfide corrosion. The high strength and durability of ductile iron make it highly resistant to the corrosive effects of biogenic sulfide, making it an ideal choice for underground sewer and wastewater applications.

Q: How much water seepage is allowed in the water pressure test for water hose DN300?: Test method: metal composite pipe and water pipe system 10min observed in the test pressure, the pressure drop should be no more than 0.02MPa, and then reduced to working pressure check should be no leakage of plastic pipe; water supply system should be in the test pressure regulator 1H, pressure drop shall not exceed 0.05MPa, then stabilized at 1.15 times the working pressure of the state under 2h, the pressure drop shall not exceed 0.03MPa, and check each connection must not leak.

Q: What is the expected cyclic fatigue life of ductile iron pipes?: The expected cyclic fatigue life of ductile iron pipes can vary depending on several factors such as the quality of the material, design and installation practices, operating conditions, and maintenance. However, ductile iron pipes generally have a long fatigue life, often exceeding 100 years under normal operating conditions.

Q: What are the different pressure classes available for ductile iron pipes?: There are several pressure classes available for ductile iron pipes, which are typically used for water and wastewater applications. The most common pressure classes for ductile iron pipes include Class 150, Class 200, Class 250, Class 300, and Class 350. These pressure classes indicate the maximum working pressure that the pipe can withstand in pounds per square inch (psi). Class 150 ductile iron pipes have a maximum working pressure of 150 psi, while Class 200 pipes can handle up to 200 psi. Class 250 pipes can withstand pressures up to 250 psi, and Class 300 pipes have a maximum working pressure of 300 psi. The highest pressure class, Class 350, can handle pressures up to 350 psi. The selection of the appropriate pressure class for a ductile iron pipe depends on various factors such as the system design, fluid characteristics, and operating conditions. It is important to consult the relevant standards and guidelines, such as the American Water Works Association (AWWA) standards, to determine the appropriate pressure class for a specific application. It is worth noting that these pressure classes refer to the working pressure of the pipe, which is the pressure the pipe is designed to safely contain during normal operation. The pipes are typically tested and certified to ensure they meet the required pressure class standards.

Q: Ductile iron pipes lined with cement mortar in the water (living water, water in the 6.9-7.3) in the early pH, why pH increased? How to solve this problem?: The basic characteristic of ductile iron pipe of ordinary cement mortar lining the inner wall of the tube will make passivation, have antiseptic effect, but in the initial stage of using cement mortar lining will be the alkali component separation, so that the pH value of water increased to influence water quality

Q: Can ductile iron pipes be used in oil or gas transmission pipelines?: Yes, ductile iron pipes can be used in oil or gas transmission pipelines. Ductile iron pipes have excellent strength, durability, and corrosion resistance, making them suitable for transporting oil or gas over long distances. Additionally, their flexible nature allows them to withstand ground movements and reduce the risk of fractures or leaks in the pipeline system.

Q: How do ductile iron pipes handle pipe deflection?: Ductile iron pipes are known for their exceptional strength and flexibility, which allows them to handle pipe deflection effectively. Pipe deflection refers to the bending or curving of a pipe from its original straight alignment. When subjected to external forces, such as soil movement or heavy loads, ductile iron pipes have the ability to flex and adjust without fracturing or breaking. This is due to their unique composition, which includes nodular graphite inclusions that provide excellent ductility. The flexibility of ductile iron pipes enables them to absorb and distribute stress evenly along the pipe wall, preventing concentrated points of strain that could lead to failure. This characteristic allows the pipes to accommodate ground movement, settlement, and other external factors that may cause deflection. Additionally, ductile iron pipes have a high modulus of elasticity, which means they can withstand significant deformation before reaching their ultimate limit. This property allows the pipes to maintain their structural integrity even when subjected to substantial deflection. Furthermore, the joint system used in ductile iron pipe installations contributes to their ability to handle pipe deflection. The restrained joint design ensures a tight and secure connection between pipe sections, reducing the potential for joint separation or leakage under deflection-induced stress. Overall, ductile iron pipes have excellent resistance to pipe deflection. Their flexibility, high modulus of elasticity, and reliable joint system make them a preferred choice for various applications, including water distribution, wastewater management, and sewer systems.

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