Ductile Iron Pipe DN400

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Loading Port:: Tianjin

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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 seawater intake systems?: Seawater intake systems can utilize ductile iron pipes, which are a type of cast iron renowned for their strength, durability, and corrosion resistance. These properties render them suitable for various applications, including seawater intake systems. The high salt content of seawater makes it highly corrosive, posing a threat to regular cast iron pipes that may suffer from corrosion and damage over time. However, ductile iron pipes possess a protective coating acting as a corrosion barrier, enabling them to endure the harsh conditions of seawater. Furthermore, compared to regular cast iron pipes, ductile iron pipes exhibit superior tensile strength, enhancing their resistance to the intense pressures and stresses associated with seawater intake systems. As a result, ductile iron pipes offer a dependable and cost-effective option for seawater intake systems.

Q:What are the different types of restrained joints for ductile iron pipe?: There are several different types of restrained joints for ductile iron pipe. These joints are designed to prevent pipe separation or movement due to internal pressure, external forces, or ground movement. Some of the commonly used restrained joints for ductile iron pipe include: 1. Mechanical Restrained Joint: This type of joint uses mechanical devices such as bolts, nuts, and gaskets to hold the pipe in place. The joint is typically made up of a gland, a gland follower, and a restraint ring. The gland and gland follower compress the gasket against the pipe, while the restraint ring provides additional support and resistance against movement. 2. Push-on Restrained Joint: This joint utilizes a rubber gasket that is compressed when the two pipe ends are pushed together. The gasket provides a tight seal and also acts as a restraint against movement. Some push-on restrained joints also include additional mechanical devices to enhance the restraint capability. 3. Restrained Flange Joint: This type of joint combines the features of a flanged joint and a restrained joint. It consists of a flanged pipe end that is bolted to a flange on another pipe or fitting. The bolts and nuts provide the mechanical restraint, while the flange connection ensures a secure and leak-free joint. 4. Restrained Coupling Joint: This joint is a variation of the mechanical restrained joint. It utilizes a coupling that is bolted or clamped around the pipe ends, providing the necessary restraint. The coupling may also have a gasket to ensure a tight seal. 5. Restrained Socket Joint: This joint is similar to the push-on restrained joint, but it includes additional mechanical devices to enhance the restraint capability. The socket end of the pipe is typically designed to receive a pipe spigot, which is then secured using bolts, clamps, or other mechanical devices. These different types of restrained joints for ductile iron pipe offer varying levels of restraint and are selected based on the specific requirements of the application. They ensure the integrity and stability of the pipeline system, reducing the risk of leaks, pipe separation, or movement.

Q:Can ductile iron pipe be used for marine and offshore applications?: Yes, ductile iron pipe can be used for marine and offshore applications. Ductile iron is known for its high strength and durability, making it suitable for various demanding environments, including marine and offshore applications. It has excellent corrosion resistance, making it resistant to the corrosive effects of saltwater and other harsh conditions found in marine environments. Additionally, its ductility allows for flexibility and resistance to cracking or fracturing under high-pressure conditions. These properties make ductile iron pipe a reliable choice for transporting fluids and gases in marine and offshore industries, including offshore oil and gas platforms, marine structures, and underwater pipelines. It is important to note that proper coating and cathodic protection systems should be employed to further enhance the corrosion resistance of ductile iron pipes in marine and offshore applications.

Q:Do ductile iron pipes require internal linings or coatings?: Yes, ductile iron pipes typically require internal linings or coatings in order to prevent corrosion and extend their lifespan.

Q:What is the average diameter range of ductile iron pipes?: The average diameter range of ductile iron pipes is typically between 3 inches to 64 inches.

Q:Can ductile iron pipes be used for water supply in buildings?: Yes, ductile iron pipes can be used for water supply in buildings. Ductile iron pipes are known for their strength, durability, and corrosion resistance, making them suitable for a variety of applications, including water supply systems. They have a high tensile strength and can withstand high-pressure environments, making them ideal for delivering water to buildings. Additionally, ductile iron pipes have a long service life, reducing the need for frequent replacements. They also have good flow characteristics, allowing for efficient water distribution within the building. Therefore, ductile iron pipes are a reliable and commonly used choice for water supply systems in buildings.

Q:What is the expected thermal expansion coefficient of ductile iron pipes?: The thermal expansion coefficient of ductile iron pipes can vary due to several factors, such as the iron's specific composition and the temperature range of pipe usage. However, as a general rule, ductile iron pipes typically have a thermal expansion coefficient ranging from 10 to 14 x 10^-6 per degree Celsius (10-14 μm/m°C). This means that for every increase of one degree Celsius in temperature, the length of a ductile iron pipe will expand by approximately 10 to 14 micrometers per meter. It is important to acknowledge that these values are not exact and may differ depending on the specific circumstances and application of the pipes.

Q:Can ductile iron pipe be used for water treatment plant applications?: Ductile iron pipe is indeed applicable for water treatment plant purposes. Renowned for its robustness and endurance, this type of pipe is well-suited for the conveyance of water and other liquids in diverse industrial environments, such as water treatment facilities. Its exceptional resistance to corrosion and capacity to endure substantial pressure and temperature make it an ideal selection for scenarios where the pipe is exposed to chemicals, disinfectants, and other treatment procedures. Moreover, the installation, maintenance, and repair of ductile iron pipe are straightforward, rendering it a cost-efficient alternative for water treatment plant infrastructure.

Q:What is the relationship between the installation direction of the ductile iron pipe and the direction of flow?: The use of cast iron by adding more than 18 nodularizer, after centrifugal ductile cast iron machine high speed centrifugal cast pipe, called "ductile" (Ductile Cast Iron Pipes), referred to as ball pipe, ductile iron pipe and ductile iron pipe etc.. The utility model is mainly used for conveying water, and is an ideal choice for tap water pipes.

Q:What are the specifications of cast iron pipes?: The nominal diameter of the continuous grey cast iron pipe is 75~1200 mm. It adopts the form of socket type or flange disk interface. It can be divided into two kinds of flexible interface and rigid interface according to function. The length of the straight pipe is 4 meters, 5 meters and 6 meters. According to the wall thickness, LA, A and B are divided into three grades. The nominal diameter of the centrifugal cast iron pipe of the sand mould is 200~1000 mm, the effective length is 5 meters and 6 meters. According to the wall thickness, it is divided into two grades: P and G. High strength, good toughness, thin tube wall, little metal consumption, and can bear higher pressure,

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