DUCTILE IRON PIPE DN100 K8

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Specification:

1) The standard of pipe: ISO2531:1998, K9

2) Effective length: 6m

3) Inner cement line: Portland cement line as per ISO4179

4) Zinc coating: at least 130g/m² as per ISO8179

5) Bitumen painting: at least 70um as per ISO8179

6) With 100% quantity of NBR ring, or SBR ring, or EPDM ring as per ISO4633

7) DN80mm-800mm

8) High strength, lighter than grey iron, good corrosion resistance, no furring, small flow resistance, easy fixing, long life tome about 100 yeas

9) Produced by Hangzhou chunfeng machine

10) Checked by automatic inspection equipment

11) Composition:

Chemical composition
Chemical composition	Ductile Cast Iron Pipe (%)	Grey iron pipe (%)	Steel pipe (%)
C	3.5-4.0	3.2-3.8	0.1-0.2
Si	1.9-2.6	1.4-2.2	0.15-0.4
Mn	0.15-0.45	0.4-0.6	0.3-0.6
P	≤0.06	≤0.3	0.02-0.03
S	≤0.02	≤0.1	0.02-0.03
Mg	0.03-0.06

12) Feature:

Mechanical properties
	Ductile Cast Iron Pipe	Grey Iron Pipe	Steel Pipe
Tensile Strength(Mpa)	≥420	150-260	≥400
Yield Strength(Mpa)	≥300	No Confirmation	No Confirmation
Bending Strength(Mpa)	≥590	200-360	≥400
Elongation (%)	≥10	Neglected	≥18
Brinell Hardness(HBS)	≤230	≤230	About 140

13) T type mechanical joint

14) Packing: in bulk or container

Q:Are ductile iron pipes suitable for power plant applications?: Yes, ductile iron pipes are suitable for power plant applications. Ductile iron pipes are known for their high strength and durability, making them capable of withstanding the high-pressure and high-temperature conditions typically found in power plants. Additionally, ductile iron pipes have excellent corrosion resistance, which is crucial in power plant environments where water and chemicals are often present.

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:What is the difference between a cast iron pipe and a ductile iron pipe?: Nodular cast iron has high strength and strong plasticity. The tensile strength of ductile iron is twice that of gray iron, and the yield strength even exceeds that of cast steel.

Q:Fire water supply network adopts ductile iron pipe, the test pressure should be no more than MPa: To your selected fire pump highest lift 1.5 times to suppress, generally not more than 1.6MPa, if the use of ductile iron pipe, test pressure according to 2MPa to suppress.

Q:How does ductile iron pipe perform in areas with high soil stability?: Ductile iron pipe excels in areas characterized by high soil stability, as it possesses inherent strength and durability. This enables the pipe to withstand the soil's pressure without experiencing significant deformation or failure. The exceptional performance of ductile iron pipe is further bolstered by the minimal ground movements, settling, or shifting that is ensured by the stable soil conditions. In regions with high soil stability, the pipe is less susceptible to external forces or stresses that could potentially inflict damage. Ductile iron pipe exhibits remarkable resistance to corrosion, abrasion, and impact, rendering it highly suitable for such circumstances. The material's robustness allows it to endure the weight and pressure exerted by the soil, thereby guaranteeing the pipe's structural integrity over time. Furthermore, the flexibility and joint design of ductile iron pipe contribute to its performance in areas with high soil stability. The pipe's capacity to accommodate slight movements and minor ground shifts without compromising its integrity is advantageous in these stable soil conditions. The restrained joint system utilized in ductile iron pipe installations provides added support and stability, thereby minimizing the risk of pipe dislocation or failure. All in all, ductile iron pipe is a dependable and efficient choice for areas characterized by high soil stability. Its strength, durability, and resistance to external forces equip it to handle the demands of such environments. Additionally, the pipe's flexibility and joint design enable it to adapt to minor soil movements, thereby further enhancing its performance in these conditions.

Q:What is the expected external protection system for ductile iron pipes?: The expected external protection system for ductile iron pipes typically involves a combination of protective coatings and cathodic protection.

Q:Can ductile iron pipes be used in areas with high groundwater levels?: Yes, ductile iron pipes can be used in areas with high groundwater levels. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for various applications, including water supply systems. They can withstand high groundwater levels without compromising their structural integrity. Additionally, ductile iron pipes have a smooth interior surface, which helps in maintaining the flow capacity and reducing the risk of clogging or sediment buildup. Therefore, they are a reliable choice for areas with high groundwater levels, providing a long-lasting and efficient solution for water distribution systems.

Q:Are ductile iron pipes suitable for use in irrigation canals?: Ductile iron pipes excel in irrigation canals due to their robustness and endurance. Their exceptional strength and durability make them an optimal selection for water transportation in irrigation systems. With remarkable tensile strength, they withstand the demanding loads and pressures regularly encountered in irrigation canals. Moreover, their remarkable corrosion resistance makes them an ideal fit for environments with varying water quality. Additionally, they possess resistance against UV rays and extreme weather conditions, guaranteeing their long lifespan within irrigation canal systems. Additionally, ductile iron pipes efficiently handle high flow rates, enabling efficient water transportation over extensive distances, ensuring effective irrigation. In summary, ductile iron pipes offer an array of advantages and are a trustworthy and fitting option for usage in irrigation canals.

Q:How can 4 inch ductile iron pipe be connected with 2 inch galvanized pipe?: The general electric welded steel pipe for clarinet.

Q:How do ductile iron pipes perform in high-pressure applications?: Ductile iron pipes are highly renowned for their exceptional strength and durability, making them incredibly suitable for applications with high pressure. These pipes are specifically designed to endure immense internal and external pressures, making them well-suited for both underground and above-ground installations where high-pressure conditions are anticipated. One of the primary advantages of utilizing ductile iron pipes in high-pressure applications lies in their capacity to resist cracking or bursting. The material's inherent ductility enables it to absorb and distribute pressure evenly, significantly reducing the risk of failure under high-pressure circumstances. Consequently, ductile iron pipes are a dependable choice for water supply systems, oil and gas pipelines, and other demanding applications subject to substantial pressure. Moreover, ductile iron pipes exhibit outstanding corrosion resistance properties, further enhancing their performance in high-pressure environments. These pipes are typically coated with a protective layer, such as cement mortar or epoxy, which serves as a barrier against corrosion. By preventing the formation of rust or scale inside the pipe, this protective coating ensures smooth flow and upholds structural integrity even under high-pressure conditions. Furthermore, ductile iron pipes possess a remarkable tolerance for external loads, including soil pressure, traffic loads, and various other forces. This exceptional strength enables them to withstand the additional stress often encountered in high-pressure applications, guaranteeing the long-term reliability and performance of the pipe system. In conclusion, ductile iron pipes offer exceptional performance in high-pressure applications. Their strength, durability, corrosion resistance, and ability to withstand external loads make them a reliable choice for a wide range of industries and infrastructure projects where high-pressure conditions are a significant concern.

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