DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN100

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 22 pc

Supply Capability:: 3000 pc/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

Push On Joint T Type Ductile Cast Iron Pipe K9

Push-on Joint T Type Ductile Iron Pipe Class C

Self-restrained Joint Ductile Iron Pipe

Ductile Iron Pipe Mechnical Joint K Type

Ductile Iron Pipe DN250

Duct Iron Pipe DI Pipe ISO 2531 DN 1100-2000mm

Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm K8

Duct Iron Pipe DI Pipe ISO 2531 DN 80-2000mm K12

Material : Ductile Cast Iron
Size Range : DN 80mm to DN 2000mm
Unit Effective Length : 6m or 5.7m
Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007
Annual capacity : 200,000 tons
Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.
Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179
Special requirements on external coating and internal lining can be applied
We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
Photos of loading process will be sent to the customer after shipment effect.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q: What is the expected fire resistance of ductile iron pipes?: The expected fire resistance of ductile iron pipes is high due to their ability to withstand high temperatures without losing structural integrity. They have a melting point of approximately 1200°C, making them suitable for applications where fire protection is crucial.

Q: Do ductile iron pipes require special handling during transportation?: Yes, ductile iron pipes do require special handling during transportation. Ductile iron pipes are known for their strength and durability, but they can be susceptible to damage if not handled properly. These pipes are heavy and can be quite large in size, so it is important to use appropriate lifting and handling equipment during transportation. Special care should be taken to avoid dropping or impacting the pipes, as this can lead to cracks or fractures. Additionally, pipes should be stored and transported in a way that prevents them from rolling or shifting, which could cause damage to the pipe coating or fittings. It is also recommended to protect the pipes from exposure to extreme temperatures or weather conditions during transportation. By following these guidelines and taking the necessary precautions, the risk of damage to ductile iron pipes during transportation can be minimized.

Q: Can ductile iron pipe be used for gas distribution systems?: Yes, ductile iron pipe can be used for gas distribution systems. Ductile iron pipes have proven to be reliable and durable, making them suitable for carrying natural gas and other gases in distribution systems. They have good corrosion resistance, high strength, and can withstand high pressure, making them a commonly used material in gas distribution infrastructure.

Q: How are ductile iron pipes protected against interior corrosion?: Cement mortar lining is utilized to protect ductile iron pipes against interior corrosion. This process involves the application of a layer of cement mortar to the inner surface of the pipe. By acting as a protective barrier, the cement mortar prevents the corrosive elements in the water or fluid from directly contacting the iron material. To apply the cement mortar lining, the interior surface of the ductile iron pipe is initially prepared by removing any loose scale or debris. Next, a mixture of cement, sand, and water is prepared to create a paste-like consistency. Skilled workers can then manually apply this mixture to the interior surface of the pipe or use a spinning machine. Once the cement mortar lining is applied, it must cure for a specific period, typically around 24 hours. During this curing process, the cement mortar hardens and forms a dense protective layer on the pipe's inner surface. The cement mortar lining provides several advantages in safeguarding ductile iron pipes against corrosion. It creates a smooth and continuous surface that prevents direct contact between the water or fluid and the iron material, thus reducing the risk of corrosion. Additionally, the lining helps to minimize friction within the pipe, thereby enhancing flow efficiency. It is crucial to regularly inspect and maintain the cement mortar lining to ensure its effectiveness in preventing corrosion. Over time, the lining may develop cracks or deteriorate, compromising its protective properties. Therefore, periodic inspections are necessary to repair or replace the lining as required, ensuring the integrity of the ductile iron pipes and preventing interior corrosion.

Q: How are ductile iron pipes different from PVC pipes?: Ductile iron pipes and PVC pipes are two different materials commonly used in plumbing and water distribution systems. The main difference between ductile iron pipes and PVC pipes lies in their composition and properties. Ductile iron pipes are made from a specific type of cast iron that contains graphite nodules, which give the material its ductility and flexibility. This allows the pipes to withstand high pressures and heavy loads without breaking or cracking. Ductile iron pipes are known for their strength and durability, making them ideal for underground applications and areas with high traffic loads. On the other hand, PVC pipes are made from a type of plastic called polyvinyl chloride. PVC pipes are rigid and inflexible, and they do not have the same strength as ductile iron pipes. PVC pipes are commonly used in low-pressure applications, such as residential plumbing systems, irrigation, and drainage systems. They are lightweight, easy to install, and resistant to corrosion, making them a popular choice for residential and non-industrial applications. Another difference between ductile iron pipes and PVC pipes is their cost. Ductile iron pipes tend to be more expensive due to their higher material and production costs. PVC pipes, on the other hand, are relatively cheaper to manufacture, making them a cost-effective option for many plumbing projects. In summary, the main differences between ductile iron pipes and PVC pipes are their composition, strength, flexibility, and cost. Ductile iron pipes are made from cast iron and are known for their strength and durability, while PVC pipes are made from plastic and are more lightweight and cost-effective. The choice between ductile iron pipes and PVC pipes depends on the specific requirements of the plumbing project, including pressure, load-bearing capacity, and budget considerations.

Q: How does the white iron appear in the case of ductile iron?: If it is to solve the white cast, the casting can be annealed.To prevent a chill in the casting, it is important to know your entire casting process to find the cause and the solution.

Q: Are ductile iron pipes suitable for wastewater treatment plants?: Yes, ductile iron pipes are suitable for wastewater treatment plants. Ductile iron pipes are known for their durability, strength, and resistance to corrosion, making them ideal for handling the harsh and corrosive environment found in wastewater treatment plants. Additionally, they have a smooth internal surface, reducing the risk of clogging and facilitating the efficient flow of wastewater.

Q: How are ductile iron pipes protected against stray electrical currents?: To safeguard water and sewer systems, ductile iron pipes are shielded from stray electrical currents through a technique called cathodic protection. This process entails the application of a low-voltage direct current (DC) to the pipes, generating a defensive electrical field around them. To achieve cathodic protection, sacrificial anodes or impressed current systems are installed near the ductile iron pipes. Sacrificial anodes, composed of a more electrically active metal like zinc or magnesium, are connected to the pipes and act as the electrical current source. Over time, these anodes corrode, sacrificing themselves to shield the pipes from corrosion caused by stray electrical currents. However, impressed current systems utilize an external power source to supply the protective electrical current. Rectifiers are employed to convert alternating current (AC) to direct current (DC), which is then administered to the pipes through anodes. This approach provides greater control over the amount of current applied, ensuring optimal protection. In both scenarios, the electrical current flowing through the sacrificial anodes or impressed current systems establishes a protective barrier around the ductile iron pipes. This barrier impedes the flow of stray electrical currents through the pipes, thus diminishing the risk of corrosion and prolonging the infrastructure's lifespan. Regular monitoring and maintenance of the cathodic protection system are crucial to uphold its efficacy. This involves inspecting the anodes, assessing the levels of electrical current, and making any necessary adjustments or replacements to maintain the desired level of protection. To summarize, cathodic protection is a dependable and widely utilized method for safeguarding ductile iron pipes against stray electrical currents. By preserving the integrity and longevity of water and sewer systems, it plays a vital role in ensuring their functionality.

Q: What is the maximum allowable deflection for ductile iron pipes?: Industry standards and guidelines, like those from the American Water Works Association (AWWA) and the Ductile Iron Pipe Research Association (DIPRA), typically specify the maximum allowable deflection for ductile iron pipes. These standards state that the maximum allowable deflection should be a certain percentage of the pipe's outside diameter. AWWA C150/A21.50 and DIPRA's Technical Bulletin No. 10 explain that the maximum allowable deflection for ductile iron pipes can vary depending on factors such as pipe size, wall thickness, and soil conditions. However, a general rule is that the maximum allowable deflection should not exceed 3% of the pipe's outside diameter. It is important to keep in mind that going beyond the maximum allowable deflection can lead to potential structural problems and reduced performance of the ductile iron pipe. Therefore, it is crucial to follow the industry standards and guidelines to ensure the proper installation and functioning of ductile iron pipes.

Q: Are ductile iron pipes suitable for water distribution networks?: Yes, ductile iron pipes are suitable for water distribution networks. Ductile iron pipes have been widely used in water distribution systems for many years due to their numerous advantages. Firstly, ductile iron pipes have excellent durability and long lifespan. They are highly resistant to corrosion, which is extremely important for water pipes as they are constantly exposed to various chemicals and substances in the water. This resistance to corrosion ensures that the pipes maintain their structural integrity over time, reducing the need for frequent repairs or replacements. Additionally, ductile iron pipes have high strength and can withstand high pressure, making them ideal for water distribution networks. They can handle heavy loads and resist external forces such as soil movement or traffic loads, ensuring the safety and reliability of the water supply. Furthermore, ductile iron pipes have excellent hydraulic properties. They have smooth internal surfaces that minimize friction and pressure drop, allowing water to flow efficiently through the system. This helps to conserve energy and reduce pumping costs, making ductile iron pipes a cost-effective choice for water distribution networks. Moreover, ductile iron pipes are versatile and can be easily installed in various soil conditions. They can withstand ground movement and settle without breaking, which is crucial for maintaining a stable water distribution system. In conclusion, ductile iron pipes are highly suitable for water distribution networks due to their durability, resistance to corrosion, high strength, excellent hydraulic properties, and versatility in installation. They provide a reliable and efficient solution for delivering safe and clean water to communities.

Send your message to us

*Email

*TEL

*Quantity

*Unit