Ductile Iron Pipe DN1000

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Specifications

Quick Details

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

The advantages to the customer:

Trustworthy financial strength.
One-stop shopping.
Fast and efficient service.
Coordination of shipments from multiple plants.
Specialists of the overseas shipping process.
A more competitive price.

Q: What are the differences between ductile cast iron pipes and centrifugal ductile iron pipes?: Small, thin pipe fittings are usually rolled or continuously cast, and large, thick pipes are usually centrifugally cast. Compared to sand casting, the tissue is compact and homogeneous.

Q: What is the expected joint tightness for ductile iron pipes?: Ductile iron pipes are renowned for their exceptional strength and durability, which grants them remarkable resistance against leaks and joint failures. Consequently, the joints in these pipes are meticulously designed to establish a secure and tight connection, effectively minimizing any potential water or fluid loss. In the realm of ductile iron pipes, a variety of joint types are commonly employed. These encompass mechanical joints, restrained joints, and push-on joints. Each of these joint types is uniquely crafted to deliver a reliable seal, effectively averting any leakage. Mechanical joints rely on a combination of a mechanical gland and rubber gaskets to forge an airtight seal. The assembly of these joints necessitates a specific level of torque to ensure proper compression and sealing. On the other hand, restrained joints are specifically tailored to withstand external forces, such as soil movement or pressure, while simultaneously preserving their tightness. To achieve this, these joints often incorporate a mechanical restraint system, such as a key-locking mechanism, thereby preventing joint separation. Meanwhile, push-on joints represent the most straightforward option to install, as they rely on a compressed rubber gasket that effectively seals the pipes when pushed together. These joints are most commonly employed in smaller diameter pipes, where external forces exerted on them are minimal. All in all, ductile iron pipes are expected to exhibit a high level of joint tightness, ensuring consistent and leak-free performance across a wide array of applications, including water distribution, wastewater systems, and industrial piping networks.

Q: Are there any special coatings or linings used for ductile iron pipes?: Ductile iron pipes utilize specialized coatings and linings to protect against corrosion and increase their lifespan. The interior and exterior surfaces of the pipes are treated with these coatings and linings. Several popular options for ductile iron pipes include cement mortar lining, polyethylene encasement, fusion bonded epoxy (FBE) coating, and polyurethane lining. Cement mortar lining is frequently employed to create a safeguarding layer on the inside of ductile iron pipes. This mixture of cement, sand, and water is applied to the pipe's interior surface. By doing so, it effectively prevents corrosion caused by water or other fluids flowing through the pipes. Polyethylene encasement is an additional protective coating used for ductile iron pipes. This method involves enveloping the pipes with a layer of polyethylene material. This barrier protects against environmental factors and inhibits direct contact between the pipe and the surrounding soil, minimizing the risk of corrosion. Fusion bonded epoxy (FBE) coating is a thermosetting epoxy powder coating that is administered to the exterior of ductile iron pipes. This coating provides exceptional corrosion resistance and mechanical protection. FBE coating is often utilized in aggressive environments where pipes are exposed to chemicals or high moisture conditions. Polyurethane lining is another type of lining employed for ductile iron pipes. It offers superior resistance to both corrosion and abrasion. This liquid polymer lining is sprayed onto the interior surface of the pipes, resulting in a smooth and durable protective layer that extends the life of the pipes. These coatings and linings are essential for maintaining the integrity and longevity of ductile iron pipes, ensuring optimal performance in a variety of applications such as water distribution, wastewater management, and industrial processes.

Q: How is ductile iron pipe installed?: The installation of ductile iron pipe can be carried out using two different methods: trenchless technology or the open-cut method. When utilizing trenchless technology, a hole is drilled into the ground, and hydraulic jacks or winches are used to push or pull the ductile iron pipe into the hole. This approach minimizes disruptions to the surrounding environment and reduces the need for extensive excavation. On the other hand, the open-cut method involves excavating a trench to the necessary depth and width for the ductile iron pipe. The trench is then prepared by removing any debris or obstructions and ensuring a stable base. The pipe is subsequently lowered into the trench and aligned correctly with the assistance of laser or surveying equipment. Once the pipe is in place, joints are connected using either a rubber gasket or mechanical joint. The joints are carefully sealed to prevent any leakage. Backfill material is then meticulously placed around the pipe, ensuring proper compaction for stability and support. To avoid excessive settlement, the backfill is applied in layers. After completing the installation, the pipe undergoes testing to ensure its integrity. This may involve hydrostatic testing, where water is filled into the pipe and monitored for any signs of leakage or pressure loss. Overall, the installation of ductile iron pipe necessitates careful planning, excavation, alignment, joint connection, backfilling, and testing. It is crucial to adhere to industry standards and guidelines to achieve a successful and reliable installation that meets the required specifications.

Q: Do ductile iron pipes require additional protection against external factors?: Yes, ductile iron pipes do require additional protection against external factors. While ductile iron is known for its strength and durability, it is still susceptible to corrosion and other external threats that can lead to pipe failure. One of the main external factors that ductile iron pipes need protection from is corrosion. Corrosion can occur due to the presence of certain chemicals in soil or water, and it can weaken the pipe over time. To protect against corrosion, ductile iron pipes are often coated with an external protective layer such as polyethylene or zinc. This coating acts as a barrier between the pipe and the corrosive elements, extending the lifespan of the pipe. In addition to corrosion, ductile iron pipes may also require protection against physical damage. These pipes are typically buried underground, making them vulnerable to external forces such as heavy machinery, ground movement, or even vandalism. To safeguard against physical damage, ductile iron pipes can be encased in concrete or surrounded by a protective sleeve or casing. Furthermore, ductile iron pipes may need protection against soil conditions that could potentially cause pipe movement or shifting. In areas with unstable soil, additional measures such as proper bedding and backfilling techniques, as well as the use of anchoring devices, may be necessary to ensure the stability and integrity of the pipes. In summary, while ductile iron pipes are robust, they still require additional protection against external factors. This can include corrosion protection, physical damage prevention, and measures to address soil conditions. By implementing these protective measures, the lifespan and performance of ductile iron pipes can be significantly extended, ensuring the reliable conveyance of water and other fluids.

Q: What is the expected service life of ductile iron pipe?: The expected service life of ductile iron pipe can vary depending on various factors such as the quality of the pipe, the environment it is installed in, and the maintenance and care it receives. However, on average, ductile iron pipe has a life expectancy of 80 to 100 years.

Q: Can ductile iron pipes be used in contaminated groundwater systems?: Yes, ductile iron pipes can be used in contaminated groundwater systems. Ductile iron pipes are known for their corrosion resistance, making them suitable for handling water with various levels of contamination. Additionally, their strength and durability allow them to withstand the harsh conditions of contaminated groundwater systems.

Q: What are the different types of joints available for ductile iron pipe?: There are several types of joints available for ductile iron pipe, each offering different benefits and suitable for different applications. Here are some of the most common types: 1. Mechanical Joints: These joints use a mechanical joint gland and rubber gasket to create a watertight seal. They are easy to install and allow for quick and simple disassembly if needed. 2. Push-on Joints: This type of joint features a rubber gasket that is compressed when the pipe is pushed into the fitting. It provides a reliable seal and requires no special tools for installation. 3. Restrained Joints: Restrained joints are designed to withstand higher internal pressures and prevent the pipe from pulling apart. They typically use a combination of mechanical or push-on joints with additional restraints such as thrust blocks or harnesses. 4. Flanged Joints: Flanged joints use flanges and bolts to connect two pipes together. They are commonly used in situations where frequent disassembly is required or when connecting to other types of pipes or equipment. 5. Welded Joints: In some cases, ductile iron pipes can be welded together to create a strong and permanent connection. Welded joints are typically used in large diameter pipes or specialized applications where a high level of strength is required. It is important to consider factors such as the pipe's application, pressure rating, and installation requirements when selecting the appropriate joint type for ductile iron pipes.

Q: How does ductile iron pipe handle ground movement and settlement?: Ductile iron pipe is renowned for its exceptional capacity to accommodate ground movement and settlement. Thanks to its inherent strength and flexibility, it can endure substantial shifts in the ground without experiencing significant damage or failure. One of the primary advantages of ductile iron pipe is its remarkable tensile strength, enabling it to withstand external forces and pressures. This strength empowers the pipe to resist the effects of ground movement, such as soil settlement, subsidence, or shifting caused by seismic activity. Furthermore, ductile iron pipe possesses inherent flexibility, allowing it to absorb and distribute stress resulting from ground movement. The pipe's flexibility helps reduce the impact of settlement by enabling it to adapt and adjust to changes in the surrounding soil. This characteristic helps prevent the pipe from developing cracks, fractures, or leaks when the ground shifts or settles. Moreover, ductile iron pipes are frequently installed with flexible joints, such as push-on or mechanical joints, which further enhance their ability to accommodate ground movement. These joints provide a level of flexibility and movement, enabling the pipe to adapt to soil changes without experiencing concentrated stress or structural failure. Additionally, ductile iron pipe exhibits high resistance to corrosion, which is another crucial factor in its capacity to handle ground movement and settlement. Corrosion can weaken pipes and make them more vulnerable to damage during ground shifts. However, the corrosion-resistant properties of ductile iron help maintain the pipe's structural integrity and durability, even in challenging soil conditions. In conclusion, ductile iron pipe is ideally suited for handling ground movement and settlement due to its impressive tensile strength, flexibility, and corrosion resistance. These qualities enable the pipe to endure external forces and adapt to changes in the surrounding soil, minimizing the risk of damage, leaks, or failure.

Q: What are the typical joint restraint systems used in ductile iron pipes?: The typical joint restraint systems used in ductile iron pipes are mechanical joint restraints, push-on joint restraints, and restrained joint systems. These systems are designed to prevent pipe separation and movement at the joints, ensuring the integrity and stability of the pipeline.

Send your message to us

*Email

*TEL

*Quantity

*Unit