ductile iron pipe of china 1300 System 1

ductile iron pipe of china 1300 System 2

ductile iron pipe of china 1300 System 3

ductile iron pipe of china 1300

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Payment Terms:: TT OR LC

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Quick Details

Place of Origin:China (Mainland)
Model Number:DN80-1600
Length:6M/5.7M/NEGOTIATED
Standard:ISO2531 / EN545
Application:Potable/Sewage Water
Diameter:DN80-1600
Shape:Round
Hardness:230
Pipe Wall Thickness:standerd
Pull Strength:420
Yield (≥ MPa):300
Material:Ductile Iron
water ductile iron pipe:SO2531 / EN545 DI pipe

Packaging & Delivery

Delivery Detail:	30-45 days

Specifications

ductile iron pipe:
1. DN80-DN1600mm (T-Type, Class K9)
2.effective length 6m/pc
3.comply with ISO2531/EN545/EN598

Company Profile

CNBM International Corporation is the leading production base and renowned supplier of Ductile Iron Water Pipe systems of both potable and waste water in China. We are constantly looking to develop high quality products to ensure the longest service life and wonderful performance.

CNBM Pipelines regard quality as the essential factor leading to successful business. Every ductile iron pipe is tested in accordance with BS EN545 (water application) or BS EN598 (sewer application). CNBM Pipelines products comply with and are tested according to the relevant European and International Standards. Our pipes are manufactured under the quality management system BS EN ISO 9001. After years of efforts, CNBM Pipelines has built up great reputation in terms of quality and service among customers worldwide.

Product Introduction

CNBM ductile iron pipe ranges from DN80-DN1600mm (Tyton, T-Type, Class K7/K8/K9), effective length: 6m, complying with ISO2531and EN545 standards.

Specification& Payment terms

Internal lining: ductile iron pipes shall have an internal cement mortar lining in acc with ISO4179.

External coating: ductile iron pipes shall be externally coated with metallic zinc spray plus a further layer of resin painting to ISO8179.

Gasket: 100% SBR/NBR/EPDM rubber gasket in accordance with ISO4633.

Packing: ductile iron pipes from DN100 to DN300 be bundled with steel belts, others are in bulk.

Payment term: L/C, T/T.
Packing: In bulk vessel or in container

ductile iron pipe of china 1300

Q: Can ductile iron pipes be used for underground steam distribution systems?: Ductile iron pipes are well-suited for underground steam distribution systems. They belong to the cast iron family, but have been treated with magnesium to enhance their flexibility and resistance to cracking. Consequently, they can endure high pressure and temperature conditions, making them ideal for underground applications like steam distribution systems. The strength and durability of ductile iron pipes are remarkable, allowing them to withstand the extreme conditions associated with steam distribution. Moreover, their corrosion resistance properties make them a dependable choice for long-term use in underground environments. Nevertheless, it is essential to apply proper insulation to prevent heat loss and ensure the efficiency of the steam distribution system.

Q: Are ductile iron pipes suitable for use in irrigation gate systems?: Yes, ductile iron pipes are suitable for use in irrigation gate systems. Ductile iron is known for its durability, strength, and corrosion resistance, making it an ideal choice for applications requiring reliable and long-lasting piping systems like irrigation gate systems. Additionally, ductile iron pipes have excellent flow characteristics, allowing for efficient water distribution in irrigation systems.

Q: QT400-10 nodular cast iron requires hardness of HRC47~51. Why can't quench hardness be reached?: Because of the high tempering stability of the nodular iron, the tempering temperature is 400-450 degrees, and the tempering time is 1 hours.

Q: What are the typical installation methods for ductile iron pipe?: Proper installation and functionality of ductile iron pipe involve a series of steps. Firstly, the trench must be excavated to the required depth and width, considering the pipe diameter and bedding material. Careful preparation of the trench bottom is then necessary to remove sharp objects or debris that could damage the pipe. Next, an even layer of suitable bedding material, like sand or fine gravel, is placed along the trench bottom to support the pipe and prevent point loading. This bedding material is compacted to ensure stability and eliminate any voids that may cause pipe settling or shifting over time. Once the bedding is set, the ductile iron pipe is gently lowered into the trench, taking precautions to protect the pipe's coating. Regular intervals along the trench, appropriate pipe supports or blocks are used to align and support the pipes. After proper alignment, the joints are assembled by lubricating and inserting a rubber gasket into the bell end of the pipe. The spigot end of the adjacent pipe is then inserted into the bell end, creating a secure and watertight seal. With joints assembled, the backfilling process begins. Backfill material, typically a combination of native soil and select backfill, is carefully placed around the pipe in layers and compacted to ensure stability and prevent voids. Gradual backfilling allows for proper compaction without excessive pressure or pipe damage. Finally, the trench is fully backfilled and compacted to adequately support and protect the pipe from external forces. Surface restoration is then performed to minimize disruption caused by the installation process and restore the area to its original condition. It is important to note that installation methods may vary based on project specifications, local regulations, and engineering recommendations. Consulting the manufacturer's guidelines and working closely with qualified professionals is essential to ensure proper installation of ductile iron pipe.

Q: Can the underground cast iron pipes be connected with clamps to form buttress?: The clamp hoop is a connecting device for connecting pipe fittings, valves and pipe fittings with grooves. Used in the fast joint between the role of tightening, the general two joints with gaskets, rubber, and silicone, ptfe.

Q: General cast iron prices now: Regular cast iron prices now range between 5000 and 8000.Ductile iron is a kind of high strength cast iron material developed in 50s twentieth Century, its comprehensive performance is close to the steel, it is based on its excellent performance, has been successfully used in casting complex stress, strength, toughness and wear resistance requirements of the higher parts. Nodular cast iron has developed rapidly to be second only to grey cast iron and widely used as cast iron material. The so-called "iron instead of steel", mainly refers to ductile iron.

Q: How are ductile iron pipes protected against root intrusion?: Ductile iron pipes are protected against root intrusion through various methods and techniques. One commonly used approach is the application of root inhibitors or growth regulators. These chemicals are typically injected into the soil around the pipes, creating a barrier that inhibits root growth near the pipe. This helps prevent roots from penetrating the pipe and causing damage. Another method involves the use of physical barriers such as root barriers or sleeves. These are installed around the pipes to physically block the roots from accessing them. Root barriers are typically made of materials like plastic or metal and are designed to withstand the pressure exerted by growing roots. Additionally, regular maintenance practices such as periodic inspections and cleaning are essential in preventing root intrusion. By monitoring the condition of the pipes and removing any existing root masses, the risk of further root intrusion can be minimized. It is worth noting that preventative measures are more effective than reactive measures when it comes to protecting ductile iron pipes against root intrusion. Therefore, implementing proactive strategies during the installation phase, such as proper pipe bedding and alignment, can help reduce the likelihood of root intrusion in the first place. Overall, a combination of chemical treatments, physical barriers, and appropriate maintenance practices can significantly enhance the protection of ductile iron pipes against root intrusion, ensuring their long-term durability and functionality.

Q: What are the different corrosion protection options for ductile iron pipe?: There are several corrosion protection options available for ductile iron pipe to ensure its longevity and durability. These options include: 1. Cement Mortar Lining: This involves coating the inner surface of the pipe with a layer of cement mortar, which acts as a barrier between the pipe and corrosive elements in the water or soil. Cement mortar lining provides excellent corrosion resistance and can last for several decades. 2. Polyethylene Encasement: This method involves wrapping the ductile iron pipe with a layer of polyethylene material. The polyethylene acts as a physical barrier, protecting the pipe from external corrosive elements. Polyethylene encasement is commonly used in aggressive soil conditions and can offer long-lasting protection. 3. Internal and External Coatings: Various types of coatings can be applied to the inner and outer surfaces of the ductile iron pipe to provide corrosion resistance. These coatings can be epoxy, polyurethane, or fusion-bonded epoxy (FBE) coatings. These coatings create a barrier between the pipe and the surrounding environment, preventing corrosion. 4. Cathodic Protection: This method involves using an electrical current to protect the pipe from corrosion. Cathodic protection systems can be either galvanic (sacrificial anode) or impressed current systems. These systems direct the flow of electrons to prevent the oxidation of the ductile iron pipe. 5. Zinc Coating: Zinc coating, also known as galvanizing, involves applying a layer of zinc to the surface of the ductile iron pipe. The zinc acts as a sacrificial anode, corroding instead of the iron pipe. Zinc coating provides effective corrosion protection, particularly in soil conditions with low resistivity. It's important to note that the choice of corrosion protection option for ductile iron pipes depends on various factors such as the environment, water chemistry, soil conditions, and expected service life. Consulting with corrosion protection specialists and engineers can help in selecting the most suitable option for specific applications.

Q: What is the expected deflection capability of ductile iron pipes?: The expected deflection capability of ductile iron pipes is typically quite high compared to other pipe materials. Ductile iron pipes have a flexible nature that allows them to withstand external loads and stresses without breaking or cracking. This flexibility enables the pipes to deflect under pressure, absorbing the force and redistributing it evenly along the pipe's length. The specific deflection capability of ductile iron pipes can vary depending on factors such as pipe diameter, wall thickness, and soil conditions. However, in general, ductile iron pipes can typically deflect up to 2% to 5% of their diameter without causing any significant damage or compromising their 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 note that the deflection capability of ductile iron pipes should be considered in conjunction with other design criteria, such as the depth of the pipe burial, trench width, and backfill material. Following proper installation practices and adhering to industry standards and specifications will ensure that the expected deflection capability of ductile iron pipes is optimized and maintained throughout their service life.

Q: How do ductile iron pipes handle ground movement due to tree roots?: Ductile iron pipes possess a robust and enduring nature, rendering them exceptionally resilient against ground movement induced by tree roots. The flexibility of ductile iron enables it to endure the pressure exerted by growing tree roots without fracturing or breaking. This capability is attributed to the material's aptitude for absorbing and dispersing stress, thereby minimizing the impact of ground movement. Furthermore, ductile iron pipes exhibit a sleek inner surface that diminishes the likelihood of tree roots infiltrating. The firmly sealed joints between the pipes likewise prevent root penetration and subsequent harm. In cases where tree roots do manage to infiltrate the soil and make contact with ductile iron pipes, their resistance to corrosion offers an additional advantage. Ductile iron pipes are coated with a protective layer that thwarts the formation of rust and corrosion, guaranteeing their long lifespan and structural integrity. Nevertheless, it is imperative to acknowledge that despite the high resistance of ductile iron pipes to ground movement caused by tree roots, regular inspection and maintenance are still advisable. This facilitates early detection and the necessary execution of repairs if any root infiltration or damage is identified.

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