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: How do ductile iron pipes perform in sandy soil conditions?: Ductile iron pipes perform well in sandy soil conditions due to their inherent strength and durability. The material's high tensile strength allows it to withstand the pressure exerted by the surrounding soil, preventing pipe deformation and breakage. Additionally, the corrosion resistance of ductile iron ensures a longer lifespan, even in corrosive sandy soil environments.

Q: Can ductile iron pipes be used for water main extensions?: Water main extensions can utilize ductile iron pipes. These pipes are recognized for their robustness and longevity, making them a fitting option for extending water mains. They possess the capability of withstanding high pressure and resisting corrosion, essential for guaranteeing the durability and dependability of the water distribution system. Moreover, ductile iron pipes have a sleek interior surface, minimizing friction and enhancing the efficiency of water flow. In general, due to their favorable mechanical properties and capacity to withstand the demands of water distribution systems, ductile iron pipes are commonly employed in water infrastructure projects, including water main extensions.

Q: What are the common methods for leak detection in ductile iron pipes?: Professionals in the field commonly utilize various techniques to detect and locate leaks in ductile iron pipes. These methods play a crucial role in timely leak identification. 1. Acoustic Leak Detection: By employing specialized equipment, professionals listen for the sound of water escaping from the pipe. This equipment detects the leak's sound and aids in pinpointing its exact location. This technique is effective for both pressurized and non-pressurized pipes. 2. Visual Inspection: Physically inspecting the pipe system for visible signs of leaks, such as water stains, wet spots, or puddles, constitutes visual inspection. This relatively straightforward method proves effective in detecting visible leaks in accessible areas. 3. Pressure Testing: During installation or maintenance, pressure testing involves pressurizing the pipe system and monitoring pressure drops. A decrease in pressure signifies the presence of a leak. This method is particularly useful for identifying leaks in inaccessible areas. 4. Infrared Thermography: Infrared cameras detect leaks by measuring temperature variations. The camera can identify temperature differences caused by water escaping from a pipe. This technique is especially efficient in identifying concealed leaks behind walls or underground. 5. Tracer Gas Testing: Tracer gas testing entails injecting a specific gas, such as helium or hydrogen, into the pipe system. In the event of a leak, the gas escapes and can be detected using specialized equipment. This highly sensitive method can locate even minute leaks. 6. Soil Gas Monitoring: Monitoring the soil surrounding the pipe allows professionals to detect gases emitted by leaking water. Analyzing the composition of the soil gas aids in determining the leak's location. It is essential to consider the specific circumstances, such as pipe system size, accessibility, and leak severity when selecting a method. Combining multiple techniques may be necessary to ensure accurate and comprehensive leak detection.

Q: How are ductile iron pipes protected against internal corrosion?: Ductile iron pipes are protected against internal corrosion through a process called cement mortar lining. This involves applying a layer of cement mortar to the inner surface of the pipe, creating a protective barrier between the iron and the water flowing through it. This lining helps to prevent the formation of rust, corrosion, and scale build-up, ensuring the longevity and durability of the pipes.

Q: How does ductile iron pipe perform in areas with high groundwater levels?: Ductile iron pipe performs well in areas with high groundwater levels. Its durable and corrosion-resistant properties make it suitable for such environments. The pipe's strength and flexibility allow it to withstand the pressure exerted by the groundwater and adapt to any ground movement without compromising its structural integrity. Additionally, ductile iron pipe's protective linings further enhance its resistance to corrosion, ensuring long-term performance in high groundwater areas.

Q: How to control mortar proportioning in ductile iron pipe cement coating: The calculation steps are: first to calculate the amount of plastering engineering (area), and then check the "national construction basic quota" quota in the corresponding amount of mortar project, engineering quantity multiplied by the amount of mortar that fixed amount of mortar, the mortar amount multiplied by the corresponding mix ratio of mortar, the consumption of raw materials can be obtained.

Q: Can ductile iron pipe be used for road and highway crossings?: Yes, ductile iron pipe can be used for road and highway crossings. Ductile iron pipes are known for their high strength, durability, and flexibility, making them suitable for various applications, including road and highway crossings. They can withstand heavy loads and provide excellent resistance to external forces, making them a reliable choice for underground installations in transportation infrastructure.

Q: Can ductile iron pipes be used in areas with high levels of heavy metal contamination?: Yes, ductile iron pipes can be used in areas with high levels of heavy metal contamination. Ductile iron pipes have a high resistance to corrosion, which makes them suitable for transporting water in such environments. Additionally, their durable nature helps prevent the release of heavy metals into the water supply, ensuring the safety and integrity of the system.

Q: Are there any limitations to the length of ductile iron pipe sections?: Limitations exist regarding the length of ductile iron pipe sections. Typically, these limitations stem from practical concerns such as transportation, installation, and handling. Longer pipe sections can present difficulties when it comes to transportation and maneuverability, particularly in areas with limited access or challenging terrain. Moreover, longer pipe sections may be more susceptible to damage during installation since proper alignment and joining can be more challenging. Manufacturing capabilities also impose limitations. Ductile iron pipes are typically produced in standard lengths, which can vary depending on the manufacturer and the specific application. These standard lengths are designed to strike a balance between transportation, installation, and overall pipe performance. In addition, longer pipe sections may pose challenges related to temperature variations and subsequent expansion and contraction. Ductile iron pipes are prone to thermal expansion and contraction, and longer sections may experience greater stress and strain as a result. Therefore, while there is no definitive maximum length for ductile iron pipe sections, practical considerations and manufacturing capabilities dictate the use of standard lengths that consider various factors such as transportation, installation, and performance.

Q: Can ductile iron pipes be used in tunneling or microtunneling projects?: Yes, ductile iron pipes can be used in tunneling or microtunneling projects. Ductile iron pipes are known for their strength, durability, and flexibility, making them suitable for underground applications. They can withstand the external pressure exerted by the surrounding soil or rock during tunneling, ensuring the integrity and safety of the project. Additionally, ductile iron pipes have excellent corrosion resistance properties, which is crucial in tunneling projects where the pipes are exposed to moisture and other corrosive elements. Their smooth internal surface also facilitates the flow of fluids or materials through the pipes, making them an ideal choice for tunneling or microtunneling projects.

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