T Type Ductile Iron Pipe DN1200 socket spigot pipes

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m

Supply Capability:: 30000 m/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 for underground fire hydrant systems?: Yes, ductile iron pipes can be used for underground fire hydrant systems. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them a suitable choice for underground installations. They can withstand the high pressure and flow rates required for fire hydrant systems, ensuring reliable water supply for firefighting purposes.

Q: Are ductile iron pipes prone to leakage?: Ductile iron pipes are generally resistant to leakage due to their robust and durable nature. However, like any other infrastructure, they can be susceptible to leakage if they are not properly installed or maintained. Regular inspections, proper installation techniques, and timely repairs are essential to minimize the risk of leakage in ductile iron pipes.

Q: Are ductile iron pipes resistant to alkali attacks?: Yes, ductile iron pipes are generally resistant to alkali attacks. The high carbon content and unique microstructure of ductile iron make it highly resistant to corrosion, including attacks from alkali substances.

Q: What are the different types of ductile iron pipe joints?: There are several different types of ductile iron pipe joints commonly used in various applications. These joints are designed to provide a strong and reliable connection between pipes, ensuring efficient fluid transfer and preventing leaks. Some of the most common types of ductile iron pipe joints include: 1. Push-on Joint: This type of joint is easy to install, as it does not require any special tools or equipment. The spigot end of one pipe is inserted into the bell end of another pipe, creating a tight seal. A rubber gasket is usually used to enhance the joint's resistance to leaks. 2. Mechanical Joint: Mechanical joints are commonly used in water and wastewater applications. They consist of a gland, a rubber gasket, and a follower gland. The pipe ends are pushed into the gland, and the follower gland is tightened, compressing the rubber gasket and creating a secure connection. 3. Restrained Joint: Restrained joints are specifically designed to withstand high internal and external forces such as water pressure or soil loadings. These joints typically use a rubber gasket and a restraining mechanism, such as a bolt or wedge, to prevent the pipe from moving or separating under stress. 4. Flanged Joint: Flanged joints are commonly used in large diameter pipes or applications requiring frequent disassembly. Each pipe end is equipped with a flange, which is then bolted together with the use of gaskets to create a strong connection. Flanged joints provide easy access for maintenance or repairs. 5. Welded Joint: Welded joints involve heating the pipe ends and fusing them together to form a permanent connection. This type of joint is commonly used in high-pressure applications where a reliable and leak-free connection is crucial. Welded joints require skilled labor and specialized equipment. It is important to choose the appropriate type of joint based on the specific application, pipe size, and operating conditions to ensure the integrity and longevity of the ductile iron pipe system. Consulting with a professional engineer or pipe manufacturer can help determine the most suitable joint for a particular project.

Q: Can ductile iron pipes be used for trench crossings?: Indeed, trench crossings can utilize ductile iron pipes. Renowned for their remarkable strength and durability, ductile iron pipes prove to be fitting for a diverse array of purposes, including trench crossings. Their capacity to endure substantial burdens and external pressures renders them an optimal selection for subterranean installations. Moreover, ductile iron pipes boast exceptional resistance to corrosion, guaranteeing their enduring and dependable performance in the context of trench crossings.

Q: Can ductile iron pipes be used for irrigation of sports fields?: Indeed, ductile iron pipes are suitable for the irrigation of sports fields. Renowned for their robustness, longevity, and flexibility, these pipes are an excellent choice for a range of applications, including irrigation. With their ability to withstand external pressures and impacts, ductile iron pipes are particularly advantageous for sports fields that encounter heavy foot traffic and potential damage. Moreover, these pipes exhibit exceptional resistance to corrosion, guaranteeing enduring performance and minimal upkeep. The pipes' smooth interior surface also facilitates efficient water flow, preventing obstructions and ensuring adequate irrigation for the sports fields. All in all, ductile iron pipes represent a dependable and appropriate option for irrigation systems in sports fields.

Q: Can ductile iron pipe be used for road and highway crossings?: Ductile iron pipe is indeed suitable for road and highway crossings. This material, known for its strength and durability, is ideal for underground infrastructure projects like road and highway crossings. Its remarkable ability to withstand heavy loads, corrosion, and external forces makes it the perfect choice for enduring the traffic and environmental conditions commonly encountered in road and highway crossings. Moreover, ductile iron pipe comes in different sizes and strengths, offering customization options to meet the specific needs of the crossing. To maximize the longevity and performance of ductile iron pipes in road and highway crossings, it is crucial to follow proper installation techniques and adhere to relevant industry standards.

Q: How are ductile iron pipes protected during transportation and storage?: Various methods are employed to protect ductile iron pipes during transportation and storage, ensuring their integrity and preventing potential damage. The first step involves applying a protective layer, such as epoxy or zinc, to act as a barrier against corrosion. This coating effectively safeguards the pipes from moisture and other corrosive elements during transit and storage. To further safeguard the pipes, they are often bundled together and secured with straps or bands, preventing any movement or shifting that could cause mechanical damage. This bundling not only ensures the pipes remain intact but also facilitates easier handling and transportation in an organized manner. During transportation, the pipes are typically loaded onto pallets or placed in crates, providing additional protection and stability. This minimizes the risk of accidental impact or rough handling that may result in cracks or fractures. Proper labeling and marking of the pipes is crucial to ensure appropriate handling. This includes displaying handling instructions, weight limits, and pipe specifications, preventing mishandling and damage during transportation. Equally important are the storage conditions for maintaining the integrity of ductile iron pipes. They should be stored in a clean, dry, and well-ventilated area, protecting them from moisture and humidity. Direct sunlight and extreme temperatures should be avoided to prevent any potential degradation of the protective coating. In conclusion, protecting ductile iron pipes during transportation and storage involves the application of protective coatings, bundling and securing, suitable packaging materials, proper handling and labeling, and storage in appropriate conditions. These measures guarantee the pipes' quality and structural integrity, ensuring they arrive at their destination in optimal condition.

Q: What is the expected deflection capability of ductile iron pipes?: Compared to other pipe materials, ductile iron pipes typically have a high expected deflection capability. These pipes possess a flexible nature that enables them to withstand external loads and stresses without breaking or cracking. This flexibility allows the pipes to deflect under pressure, absorbing and evenly distributing the force along their length. Factors such as pipe diameter, wall thickness, and soil conditions can influence the specific deflection capability of ductile iron pipes. However, in general, these pipes can typically deflect up to 2% to 5% of their diameter without causing significant damage or compromising structural integrity. This deflection capability allows the pipes to adapt to ground movement, thermal expansion, and other external forces, making them highly resilient and reliable for various applications. It is important to consider the deflection capability of ductile iron pipes in conjunction with other design criteria, such as pipe burial depth, trench width, and backfill material. By following proper installation practices and adhering to industry standards and specifications, the expected deflection capability of ductile iron pipes can be optimized and maintained throughout their service life.

Q: What is the expected pressure class for ductile iron pipes?: The expected pressure class for ductile iron pipes can vary depending on the specific application and the requirements of the project. However, generally speaking, ductile iron pipes are designed to handle high-pressure applications and are commonly available in pressure classes ranging from 150 psi (pounds per square inch) to 350 psi. These pressure classes indicate the maximum operating pressure that the pipe can withstand while maintaining its structural integrity. It is important to consult with industry standards and guidelines, as well as the project specifications, to determine the appropriate pressure class for ductile iron pipes in a given situation.

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