DUCTILE IRON PIPE DN200 K7 CLASS System 1

DUCTILE IRON PIPE DN200 K7 CLASS

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 30000Tons m/month

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

You Might Also Like

Mechnical Joint K Type Ductile Iron Pipe

Flange Pipe

ISO2531 Socket Spigot Ductile Iron Pipe K8

Ductile Iron Pipe Self Anchor Type

Ductile Iron Pipe DN1400

Gate Valve for Ductile Iron Pipe with Good Quality

DUCTILE IRON PIPE DN150 K8

Steel Reinforcing Rebar for Construction Usage

CNBM ductile iron pipe ranges from DN80-DN1600mm (T-Type, Class K9), effective length 6m, comply with ISO2531 Standard

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 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 BS EN545/EN598/ISO2531/BS4772.

Specification& Payment terms

Internal lining: Pipes shall have an internal cement mortar lining in acc with ISO4179.

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

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

Packing: Pipes from DN100 to DN300 be bundled with steel belts, the others are in bulk.

Payment term: By 30% T/T advance payment + 70% Irrevocable L/C at sight.
Packing: In bulk vessel or in container.

Q: What is the expected joint deflection capability of ductile iron pipes?: Several factors can affect the expected joint deflection capability of ductile iron pipes. Generally, ductile iron pipes have a higher joint deflection capability compared to other pipe types. The joint deflection capability refers to how well a pipe joint can handle angular deflection or misalignment during installation or due to ground movement. Ductile iron pipes are known for their flexibility, which allows them to withstand external forces and movements without compromising their structural integrity. The expected joint deflection capability of ductile iron pipes typically falls within a range of 1 to 5 degrees, depending on the pipe diameter and wall thickness. This means that the pipes can safely accommodate angular deflection within this range without experiencing leaks or failures. It's important to consider that the joint deflection capability can also be influenced by factors like the type and quality of the joint restraint system, soil conditions, installation techniques, and pipe alignment. To ensure optimal joint deflection capability, it is crucial to follow proper installation practices and adhere to the guidelines provided by the manufacturer. All in all, ductile iron pipes have been designed and manufactured with a significant joint deflection capability, making them suitable for a wide variety of applications, including water distribution, sewer systems, and industrial piping networks.

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: Can ductile iron pipe be used for bridge crossings?: Ductile iron pipe is suitable for bridge crossings due to its strength, durability, and flexibility. Its high tensile strength enables it to bear heavy loads and vibrations, making it ideal for supporting bridges and withstanding traffic weight. Moreover, the pipe's flexibility allows it to absorb movements and deformations caused by temperature changes, settling, and other factors, minimizing the risk of structural damage and ensuring the bridge crossing's longevity. Additionally, the pipe's resistance to corrosion makes it a dependable choice for bridge crossings exposed to moisture, chemicals, and other corrosive elements. Overall, ductile iron pipe possesses properties that make it a reliable and appropriate material for bridge crossings.

Q: Ductile iron pipe converter, steel transition DN100 turn 100, what is the specific accessories name? Can you supply photos?: Strong toughness: the pipe can be stretched to 5 times the original length without fracture, which is suitable for uneven geological conditions without affecting its link performance. In the case of a breach, there is no extension of the mouth due to the breach.

Q: How do ductile iron pipes perform in cold weather conditions?: The exceptional performance of ductile iron pipes in cold weather conditions is well-known. Unlike cast iron or PVC, ductile iron exhibits remarkable resistance to low temperatures. This resistance is primarily attributed to its unique microstructure, which enables it to maintain its structural integrity even in extreme weather conditions. In freezing temperatures, ductile iron pipes demonstrate a low coefficient of thermal expansion, meaning they do not contract or expand significantly with changes in temperature. This characteristic ensures their stability and prevents cracking or bursting. Additionally, the high impact resistance of ductile iron further enhances its ability to withstand the stress imposed by cold weather conditions. Moreover, ductile iron pipes are equipped with a protective lining, typically composed of cement mortar or epoxy. This lining acts as an additional barrier against the effects of cold weather, preventing the formation of ice on the inner surface of the pipes. Consequently, the risk of blockages or reduced flow capacity is greatly reduced. In conclusion, ductile iron pipes are a reliable choice for cold weather conditions. Their durability, low thermal expansion, and protective lining make them highly resistant to the challenges posed by freezing temperatures. Whether used for water supply, sewer systems, or other applications, ductile iron pipes have consistently proven their effectiveness even in the harshest winter climates.

Q: How does ductile iron pipe perform in high-velocity flow conditions?: The performance of ductile iron pipe is exceptional in conditions with high-velocity flow. It can endure the forces exerted by these flows without experiencing significant damage or failure, thanks to its unique properties like high tensile strength and impact resistance. One advantage of ductile iron pipe is its ability to withstand water hammer, which is a sudden increase in pressure caused by the rapid deceleration or change in direction of water flow. This is particularly crucial in high-velocity flow conditions, where water velocity is significantly higher than normal. Ductile iron pipes are designed to absorb and dissipate the energy generated by water hammer, protecting the pipe and the surrounding infrastructure. Moreover, ductile iron pipe has excellent flow characteristics, ensuring smooth and efficient water transport even at high velocities. This is especially important in applications that require quick transportation of a large volume of water, such as industrial processes or fire protection systems. The smooth interior surface of ductile iron pipe minimizes friction and pressure losses, allowing water to flow freely and efficiently, reducing energy consumption and operating costs. Furthermore, ductile iron pipe is highly resistant to corrosion, which is a common issue in high-velocity flow conditions where the water may contain aggressive chemicals or particulates. The protective lining and coating systems used in ductile iron pipes create a barrier against corrosion, prolonging the lifespan of the pipe and maintaining its structural integrity. In conclusion, ductile iron pipe is ideal for high-velocity flow conditions due to its ability to withstand water hammer, excellent flow characteristics, and resistance to corrosion. Its strength, durability, and reliable performance make it a preferred choice for various applications, ensuring efficient water transport even in demanding environments.

Q: How do ductile iron pipes handle ground settlement near construction sites?: Ductile iron pipes are highly resilient and can withstand ground settlement near construction sites. Due to their flexible nature, these pipes can accommodate small movements and settlement without incurring significant damage or failure. The ductility of the material allows the pipes to bend and adjust to the changing ground conditions, ensuring their integrity and minimizing the risk of leaks or breakage. Additionally, the strong and durable properties of ductile iron make it a reliable choice for underground infrastructure, providing long-term stability even in challenging environments.

Q: Can ductile iron pipes be used in oil or gas transmission pipelines?: Yes, ductile iron pipes can be used in oil or gas transmission pipelines. Ductile iron is a type of cast iron that has enhanced properties, such as higher tensile strength and ductility, making it suitable for a wide range of applications, including pipeline systems for oil and gas transmission. Ductile iron pipes have excellent corrosion resistance, which is crucial for pipelines that transport oil or gas over long distances. This material is highly resistant to external factors like soil chemicals, moisture, and corrosive gases commonly found in the oil and gas industry. Additionally, ductile iron pipes can withstand high pressures and temperatures, making them suitable for the demands of oil and gas transmission. Furthermore, ductile iron pipes have good impact resistance, allowing them to absorb and withstand external forces like ground movement or heavy loads. This durability ensures the integrity and longevity of the pipeline system, minimizing the risk of leaks or failures. Overall, ductile iron pipes offer a reliable and cost-effective solution for oil and gas transmission pipelines. Their robustness, corrosion resistance, and ability to withstand high pressures and temperatures make them a viable choice for this critical infrastructure.

Q: What is the weight of ductile iron pipe compared to other pipe materials?: Ductile iron pipe is generally heavier compared to other pipe materials. Its weight can vary depending on the size and thickness of the pipe, but generally, ductile iron pipe is denser and has a higher weight per unit length compared to materials like PVC, HDPE, or steel. This higher weight of ductile iron pipe is primarily due to its composition, which includes iron and carbon, making it a sturdy and durable option for various piping applications.

Q: What is the expected external protection system for ductile iron pipes?: The expected external protection system for ductile iron pipes typically includes a combination of coatings and cathodic protection. Coatings, such as fusion-bonded epoxy (FBE) or polyethylene, are applied to the external surface of the pipe to provide a barrier against corrosion and protect it from the surrounding environment. These coatings are highly resistant to moisture, chemicals, and abrasion, ensuring the longevity of the pipe. In addition to coatings, cathodic protection is often employed to further enhance the external protection of ductile iron pipes. Cathodic protection involves the use of sacrificial anodes or impressed current systems to create a protective electrical current that counteracts the corrosive effects on the pipe's surface. This technique helps prevent corrosion by ensuring that the ductile iron remains in a cathodic state, where it is less prone to degradation. The combination of coatings and cathodic protection provides a robust and comprehensive external protection system for ductile iron pipes. These measures effectively safeguard the pipes from corrosion, extending their service life and minimizing the need for costly repairs or replacements. Regular inspection and maintenance are also essential to ensure the ongoing effectiveness of the external protection system and to address any potential issues promptly.

Send your message to us

*Email

*TEL

*Quantity

*Unit