• Ductile Iron Pipe EN545  DN900 Made in China System 1
  • Ductile Iron Pipe EN545  DN900 Made in China System 2
Ductile Iron Pipe EN545  DN900 Made in China

Ductile Iron Pipe EN545 DN900 Made in China

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
999 m
Supply Capability:
9999 m/month

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1,Ductile Iron Pipe Description :
1) Pipes confirm to ISO2531,K9 class,T type joint,6m long,with inside cements lining conform to ISO4179,  outside Zinc spraying(130g/m2) and bitumen coating(70μm) conform to ISO8179.
2) Pipe ends: Spigot and socket ends, with 100% SBR rubber gaskets accoding to ISO4633
3) we can do third party inspection according to customer's request.
4) Our products have been sold to many international market, such as Middle East and South East Asia and Africa.
2,Main Features of the Ductile Iron Pipe:
   High yield strength
   High tensile Strength
   High corrosion resistance
   Material: Ductile iron grade 500-7/ 450-10 in accordance with ISO1083
   Test: In accordance with ISO 2531 / EN 545 / EN598 and 100% water pressure test
   Length: 6m or cut into 5.6m, 5.7m, 5.8m
   Rubber: NBR, SBR, EPDM according to ISO4633 / EN681.1
   Note: The gaskets, bolts & nuts are supplied respectively as your special requirement
 3,Ductile Iron Pipe Images:
Ductile Iron Pipe EN545  DN900 Made in China

Ductile Iron Pipe EN545  DN900 Made in China

4. Ductile Iron Pipe  Specification
Items Details  Surface Finishes Bare, Oiled, Mill Varnish, Galv,FBE, FBE Dual, 3LPE, 3LPP, Coal Tar,Concrete Coating and Tape Wrap
End Finishes Beveled, Square Cut, Threaded, hat Additional Services Internal Coating
Packaging packed in bag, plastic bag, steel strip, steel wire,double wire, iron box, wooden box, tarpaulin,
  plastic sheeting
Inspection MOODY SGS BV GL DNV ABS LIOYD’Test X-ray, UT, magnetic particle,inspection,
   hydrostatic test.
Processing service Beveling, Threading, Slotting, Cut-to length, Bends, Quench and Temper, Fabrication, Double-jointing and On-site assistance
Documentary MTC, material certification,Origin certification, CI or PI, Test Report, export licence, handling order, B/L,insurance policy,shipping instructions, contract, packing list etc.

5.FAQ:
We have organized several common questions for our clients,may help you sincerely:
1.Q: Why would you choose ductile iron pipe rather than other pipe materials?
 A:The reasons are obvious for that not only ductile iron pipe possesses the inherent strength and flexibility of ductile iron, combined with proven corrosion protection systems, but also the cost savings can be achieved from design to installation and commissioning.
 2.Q:Why can you guarantee the inner of pipes can’t be corroded?
 A: High alumina cement mortar lining and sulphate-resistant cement mortar lining. These two special linings are applicable to inner anti-corrosion for sewage pipes, improving resistance to erosion of the sewage components.
 

Q: Can ductile iron pipes be used for water main extensions?
Yes, ductile iron pipes can be used for water main extensions. Ductile iron pipes are known for their strength and durability, making them a suitable choice for water main extensions. They can handle high pressure and provide resistance to corrosion, which is important for ensuring the longevity and reliability of the water distribution system. Additionally, ductile iron pipes have a smooth interior surface, reducing friction and improving water flow efficiency. Overall, ductile iron pipes are commonly used in water infrastructure projects, including water main extensions, due to their favorable mechanical properties and ability to withstand the demands of water distribution systems.
Q: Are ductile iron pipes resistant to root intrusion?
Ductile iron pipes are generally resistant to root intrusion, but not entirely immune. While the material itself is strong and durable, root intrusion can still occur through any cracks, joints, or damaged sections of the pipe. It is important to note that root intrusion is more common in older or poorly maintained pipes, where cracks or gaps may develop over time. However, modern ductile iron pipes are often coated with protective layers or linings to minimize the risk of root intrusion. Additionally, regular inspection and maintenance can help detect and address any potential issues before they escalate.
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: Ductile iron pipes lined with cement mortar in the water (living water, water in the 6.9-7.3) in the early pH, why pH increased? How to solve this problem?
The basic characteristic of ductile iron pipe of ordinary cement mortar lining the inner wall of the tube will make passivation, have antiseptic effect, but in the initial stage of using cement mortar lining will be the alkali component separation, so that the pH value of water increased to influence water quality
Q: What are the risks in the process of conveying ductile iron pipes?
Pile up: when the pipe is stacked, the lower part of the pipe should be covered with a tie or cushion block. The socket of the pipe is interlocked with each other, and the stop wedge must be put in place to prevent the pipe from rolling. Not allowed to be piled on marshes, rough slopes, or badly polluted areas.
Q: Are ductile iron pipes suitable for wastewater treatment plants?
Yes, ductile iron pipes are suitable for wastewater treatment plants. Ductile iron is a strong and durable material that is resistant to corrosion, making it an ideal choice for handling wastewater, which can contain various corrosive elements. Additionally, ductile iron pipes have high tensile strength and can withstand high pressure, which is necessary for transporting wastewater in a treatment plant. The flexibility of ductile iron pipes also allows for easy installation and maintenance, reducing the overall cost and time required for a wastewater treatment plant. Overall, ductile iron pipes are widely used in wastewater treatment plants due to their durability, corrosion resistance, and ability to handle the demanding conditions present in such facilities.
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: Method for cutting large diameter ductile iron pipe
When the volume ratio of oxygen and acetylene is less than 1, a carbonized flame is obtained. Because of less oxygen and incomplete combustion, the flame is longer than the neutral flame and the temperature is lower. Acetylene in the carbide flame is suitable for welding high carbon steel, cast iron and cemented carbide materials. When welding other materials with a carbide flame, the weld metal becomes hard and brittle.
Q: Are ductile iron pipes resistant to freeze-thaw cycles?
Ductile iron pipes exhibit resistance against freeze-thaw cycles. Ductile iron, a variant of cast iron, is fortified with magnesium, which enhances its strength, durability, and ability to resist cracking. These improved material properties enable ductile iron pipes to withstand the expansion and contraction that occur during freeze-thaw cycles. Unlike PVC or concrete, which may fracture or shatter due to the pressure exerted by freezing water, ductile iron pipes remain intact without suffering substantial damage. Moreover, the smooth interior surface of ductile iron pipes prevents the accumulation of ice or frost, thereby augmenting their resistance to freeze-thaw cycles. In conclusion, ductile iron pipes are an optimal choice for water distribution systems in cold climates, as they provide exceptional resistance against the adverse effects of freezing and thawing.
Q: What is the expected corrosion rate of ductile iron pipes?
The expected corrosion rate of ductile iron pipes can vary depending on several factors, including the specific environment in which the pipes are installed, the pH and composition of the water or soil they come into contact with, and the presence of any corrosive substances or chemicals. In general, ductile iron pipes are known for their excellent resistance to corrosion compared to other materials such as cast iron or steel. This is due to the presence of a protective layer called a passive film, which forms naturally on the surface of the pipes when exposed to oxygen in the environment. This passive film acts as a barrier, preventing further corrosion from occurring. However, it is important to note that even ductile iron pipes can experience some level of corrosion over time, especially in aggressive or highly corrosive environments. The expected corrosion rate can range from very low to moderate, depending on the aforementioned factors. To ensure the longevity and performance of ductile iron pipes, it is recommended to implement proper maintenance and monitoring practices. This includes regular inspections, cleaning, and the application of protective coatings or linings when necessary. Additionally, implementing a cathodic protection system can further enhance the corrosion resistance of the pipes. Ultimately, it is important to consult with experts and professionals in the field of corrosion and pipe materials to accurately determine the expected corrosion rate of ductile iron pipes in a specific application or environment.

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