DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN800

DUCTILE IRON PIPE AND PIPE FITTINGS K7 CLASS DN800

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 23 pc

Supply Capability:: 3000 pc/month

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· 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:DN300 what's the price of the ductile iron pipe / the weight and the price of one meter?: The annealed ductile iron pipe is composed of ferrite and pearlite. The mechanical properties of the ductile iron pipe are better.

Q:What is the process of fusion bonding for ductile iron pipes?: Fusion bonding for ductile iron pipes is a process that involves heating the pipes to a specific temperature and then applying pressure to fuse the ends of two pipes together. This creates a strong and durable bond between the pipes, ensuring a leak-proof connection. The fusion bonding process is commonly used in the construction and maintenance of underground water and sewer systems.

Q:Are there any special coatings or linings available for ductile iron pipe?: Yes, there are special coatings and linings available for ductile iron pipe. These coatings and linings are applied to the internal and/or external surfaces of the pipe to provide protection against corrosion and extend the lifespan of the pipe. Some common coatings and linings used for ductile iron pipe include cement mortar lining, polyethylene encasement, epoxy coating, and polyurethane lining. These coatings and linings are designed to prevent the pipe from corroding when in contact with various substances such as water, chemicals, and soil. The specific coating or lining used depends on the application and the environment in which the pipe will be installed.

Q:What are the common pressure ratings for ductile iron pipes?: The pressure ratings for ductile iron pipes can vary depending on the application and industry standards. However, the most commonly used pressure ratings are Class 150, Class 200, Class 250, and Class 350. For low-pressure applications, Class 150 ductile iron pipes are typically used. These pipes have a working pressure of up to 150 psi and are commonly used for water distribution systems, irrigation, and gravity flow sewer systems. For applications requiring slightly higher pressure, such as industrial water supply and fire protection systems, Class 200 ductile iron pipes are used. These pipes have a working pressure of up to 200 psi. For more demanding applications, Class 250 ductile iron pipes are suitable. These pipes have a working pressure of up to 250 psi and are used for high-pressure water supply systems, power plants, and municipal water distribution networks. For heavy-duty applications, such as industrial water supply and oil and gas pipelines, Class 350 ductile iron pipes are used. These pipes have the highest working pressure rating, with a maximum pressure of up to 350 psi. It is important to note that these pressure ratings are general guidelines and can vary depending on the manufacturer and product specifications. Consulting industry standards and guidelines, as well as working with qualified engineers and professionals, is crucial to ensure the correct pressure rating is selected for a specific ductile iron pipe application.

Q:Are ductile iron pipes resistant to chemicals?: Yes, ductile iron pipes are generally resistant to chemicals. Ductile iron is a type of cast iron that has been alloyed with small amounts of magnesium to improve its strength and ductility. This alloying process enhances its resistance to corrosion and chemical attack. Ductile iron pipes have been widely used in various applications including water supply, wastewater treatment, and industrial piping systems where they may come into contact with a variety of chemicals. However, it is important to note that the resistance of ductile iron pipes to chemicals can vary depending on the specific type and concentration of the chemical involved. Therefore, it is advisable to consult the manufacturer or a qualified engineer to determine if ductile iron pipes are suitable for a particular chemical application.

Q:How to distinguish flexible and rigid interfaces between cast iron pipe joints: Flexible connection is divided into A type, B type, W type, A, B type for flange connection, by flange, bolt and rubber ring to achieve sealed connection, W type is clamp connection, clamp what looks like, ha ha not say more

Q:Can ductile iron pipes be used for underground irrigation systems?: Yes, ductile iron pipes can be used for underground irrigation systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the pressure and load requirements of irrigation systems. It is commonly used in underground applications due to its longevity and reliability.

Q:Can ductile iron pipes be used for water supply networks?: Indeed, water supply networks can utilize ductile iron pipes. Renowned for their robustness and endurance, ductile iron pipes are adept at transporting water across extensive distances. Their resistance to corrosion, ability to withstand high pressure and external forces, render them a dependable option for water supply systems. Furthermore, the smooth internal surface of ductile iron pipes diminishes friction and facilitates efficient water flow. Consequently, due to their exceptional performance and longevity, ductile iron pipes have gained global popularity in water supply networks.

Q:How do ductile iron pipes handle ground movement or settlement?: Ductile iron pipes are renowned for their remarkable strength and flexibility, enabling them to effectively manage ground movement or settlement. Ground movement or settlement pertains to the natural shifts or settling of the earth's surface, which can exert stress on subterranean infrastructure such as pipes. Concerning ground movement, ductile iron pipes possess the advantage of enduring and absorbing the pressure and movement caused by shifting soil. The material's ductility permits the pipes to flex and bend to a certain extent without fracturing. This flexibility aids in distributing the load and minimizing the potential for harm. Additionally, ductile iron pipes exhibit high resistance to cracking or fracturing, even under extreme circumstances. This resilience stems from the material's unique microstructure, which imparts excellent tensile strength and impact resistance. Consequently, ductile iron pipes can withstand external forces and ground settlement without compromising their integrity. To further augment their capacity to handle ground movement or settlement, ductile iron pipes are frequently installed using flexible joints. These joints allow for slight movement and accommodate any shifting or settling of the ground. Furthermore, proper bedding and backfilling techniques are employed during installation to provide added support and stability. Overall, ductile iron pipes possess a proven track record in managing ground movement or settlement. Their strength, flexibility, and resistance to cracking establish them as a dependable choice for subterranean infrastructure, ensuring the durability and efficiency of water distribution systems.

Q:Are ductile iron pipes resistant to sulfuric acid corrosion?: Yes, ductile iron pipes are generally resistant to sulfuric acid corrosion due to their corrosion-resistant coatings and high chemical resistance.

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