K Type Ductile Iron Pipe DN300 Socket spigot pipe

K Type Ductile Iron Pipe DN300 Socket spigot pipe

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 200 m.t

Supply Capability:: 30000 m.t/month

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Specification:

1) The standard of pipe: ISO2531:1998, EN545:2006，K9 K8

2) Effective length: 6m/5.7m

3) Inner cement line: Portland cement lineas per ISO4179

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

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

6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633

7) DN80-DN1200

8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas

9)Checked by automatic inspection equipment

10) 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

11) 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

12) T type mechanical joint

13) Packing: in bulk or container

PACKING: 1) Pipesare bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

Q: Can ductile iron pipes be used in geothermal systems?: Ductile iron pipes are indeed suitable for geothermal systems. Their renowned strength and durability make them an excellent choice for various applications, including geothermal systems. These systems involve extracting heat from beneath the earth's surface, necessitating a dependable and robust piping system to transport the geothermal fluid. Ductile iron pipes can withstand high temperatures and pressures, making them perfect for carrying hot geothermal fluids. Moreover, they exhibit exceptional corrosion resistance, a crucial attribute for geothermal systems that often involve the circulation of corrosive fluids. In conclusion, ductile iron pipes provide a reliable option for geothermal systems due to their strength, durability, and ability to withstand high temperatures and corrosion.

Q: What is the expected noise reduction of ductile iron pipes?: The expected noise reduction of ductile iron pipes can vary depending on various factors, such as the thickness of the pipes, the specific installation method, and the surrounding environment. However, ductile iron pipes are generally known for their ability to significantly reduce noise levels compared to other materials, thanks to their dense and robust structure that effectively dampens sound vibrations.

Q: How does ductile iron pipe perform in areas with high soil erosion?: Ductile iron pipe performs well in areas with high soil erosion due to its inherent strength and durability. Its thick walls and strong composition make it resistant to external pressures, including the erosive forces of soil. The pipe's ability to withstand the effects of soil erosion helps ensure its long-term performance and reliability in such challenging environments.

Q: How do ductile iron pipes perform in extreme weather conditions?: Ductile iron pipes are renowned for their outstanding performance when faced with harsh weather conditions. Crafted from an iron alloy infused with small quantities of carbon and other elements, these pipes exhibit unparalleled strength and resilience, rendering them highly impervious to the effects of extreme weather. In soaring temperatures, ductile iron pipes maintain their structural integrity without succumbing to softening or deformation, unlike certain other materials. This ensures that the pipes continue to function optimally and reliably, even in scorching heat. Furthermore, these pipes boast a remarkable resistance to thermal expansion, thereby minimizing the risk of pipe distortion or joint failure during temperature fluctuations. When confronted with frigid conditions, ductile iron pipes also excel. They possess a low coefficient of thermal expansion, translating to a reduced likelihood of cracking or fracturing due to freezing temperatures. Moreover, their robustness and flexibility enable them to withstand the pressure exerted by freezing water inside the pipes without incurring significant damage. In addition, ductile iron pipes exhibit superb corrosion resistance, demonstrating their ability to withstand the detrimental effects of harsh chemicals, saltwater, and other corrosive substances that may be present in extreme weather conditions. This corrosion resistance ensures the longevity and dependability of the pipes, preventing leaks and preserving water quality. In terms of durability, ductile iron pipes are designed to endure heavy loads and external stresses. Boasting high tensile strength, they display resistance to bending and breakage. This characteristic proves crucial in extreme weather conditions where heavy rainfall, powerful winds, or even seismic activities may occur. All in all, ductile iron pipes have a well-established reputation for delivering exceptional performance in extreme weather conditions. Their strength, resilience, thermal stability, corrosion resistance, and durability render them a reliable choice for a multitude of applications, including water supply, sewage systems, and industrial pipelines, even in the most challenging weather environments.

Q: What are the different coating thickness options for ductile iron pipe?: The coating thickness options available for ductile iron pipe can vary depending on the specific application and requirements. Typically, there are three commonly used coating thickness options for ductile iron pipe: 1. Standard Thickness: Normally, the coating thickness for ductile iron pipe falls within the range of 200 to 250 microns (8-10 mils). This thickness is generally sufficient to protect against corrosion and abrasion in most soil and water conditions. 2. Increased Thickness: In certain cases, when the pipe is exposed to more aggressive environments or requires a longer lifespan, it may be necessary to use a thicker coating. This can range from 300 to 500 microns (12-20 mils) or even more, depending on the specific requirements. 3. Specialized Coatings: For particularly demanding applications, specialized coatings may be utilized. These coatings offer even greater protection against corrosion, abrasion, or chemical exposure. The thickness of these specialized coatings can vary significantly depending on the specific coating material and application requirements. It is important to emphasize that the selection of coating thickness should be based on a comprehensive evaluation of the environmental conditions, intended lifespan, and any relevant industry standards or specifications. It is advisable to consult with a coating manufacturer or corrosion specialist to determine the appropriate coating thickness for a specific ductile iron pipe application.

Q: Can ductile iron pipe be used for pump stations?: Certainly, pump stations can utilize ductile iron pipe. Ductile iron pipe is extensively employed in underground water and wastewater systems, including pump stations. It provides numerous benefits, including remarkable strength, durability, and resistance to corrosion, thus ensuring its appropriateness for such purposes. Moreover, ductile iron pipe seamlessly harmonizes with various pump types and is renowned for its extended lifespan, rendering it an optimal selection for pump station projects.

Q: How are ductile iron pipes protected against root intrusion?: Diverse techniques and methods exist to safeguard ductile iron pipes from root intrusion. The application of root inhibitors or growth regulators is a commonly employed approach. These substances are typically injected into the surrounding soil, forming a barrier that restricts root growth near the pipes. This effectively prevents roots from penetrating the pipes and causing damage. Another method involves the utilization of physical barriers like root barriers or sleeves. These barriers are installed around the pipes to physically obstruct root access. Root barriers are typically constructed from materials such as plastic or metal, engineered to withstand the pressure exerted by growing roots. In addition, regular maintenance practices like periodic inspections and cleaning play a crucial role in preventing root intrusion. By consistently monitoring pipe conditions and removing any existing root masses, the risk of further intrusion can be minimized. It is important to recognize that preventative measures are more effective than reactive measures in protecting ductile iron pipes from root intrusion. Therefore, implementing proactive strategies during the installation phase, such as proper pipe bedding and alignment, can significantly reduce the likelihood of intrusion. Overall, a combination of chemical treatments, physical barriers, and appropriate maintenance practices greatly enhances the protection of ductile iron pipes against root intrusion, ensuring their long-term durability and functionality.

Q: Are ductile iron pipes suitable for installation in rocky or hard soil conditions?: Ductile iron pipes are a great choice for rocky or hard soil conditions. They are known for their strength and durability, which makes them perfect for challenging soil conditions. These pipes have a high tensile strength, allowing them to handle external loads and pressures, even when there are rocks or hard soil present. Furthermore, they are resistant to corrosion, making them even more suitable for installation in such conditions. The pipes' flexibility and ability to withstand bending stresses also make them reliable for rocky or hard soil conditions, as they can adapt to ground movement without compromising their structural integrity. Overall, ductile iron pipes are the preferred option for installations in challenging soil conditions because of their robustness, longevity, and resilience.

Q: Can ductile iron pipe be used for stormwater management systems?: Ductile iron pipe is indeed suitable for stormwater management systems. It finds extensive use in diverse applications, such as stormwater drainage systems. Its exceptional attributes encompass robustness, longevity, and resistance against corrosion, rendering it highly capable of enduring the challenging conditions inherent in stormwater management. Furthermore, the installation and maintenance of ductile iron pipe are effortless, thus making it a cost-efficient selection for stormwater management systems. In summary, ductile iron pipe emerges as a dependable and fitting alternative for the construction of stormwater management systems.

Q: What is the expected leakage rate of ductile iron pipes?: The expected leakage rate of ductile iron pipes can vary depending on various factors such as the age, condition, and installation quality of the pipes. However, on average, ductile iron pipes are known to have a relatively low leakage rate, typically ranging from 0.1 to 0.5 gallons per minute per mile of pipe.

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