• DUCTILE  IRON PIPES  PIPE FITTINGS K7 CLASS DN500 System 1
DUCTILE  IRON PIPES  PIPE FITTINGS K7 CLASS DN500

DUCTILE IRON PIPES PIPE FITTINGS K7 CLASS DN500

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t
Supply Capability:
30000 m.t/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 is ductile iron pipe tested for quality?
Ductile iron pipe is extensively tested for quality to ensure its performance and reliability in various applications. The testing process involves several steps to assess the physical and mechanical properties of the pipe. One of the primary tests conducted on ductile iron pipe is the hydrostatic pressure test. This test involves subjecting the pipe to fluid pressure higher than its designed operating pressure to determine its ability to withstand internal pressure without leakage or failure. The pipe is filled with water or another suitable fluid, and pressure is gradually increased to the required level. The pipe is inspected for any signs of leakage or deformation during this test. Another crucial test is the tensile strength test, which measures the pipe's ability to resist pulling or stretching forces. A sample of the pipe is pulled until it breaks, and the maximum force applied during the test is recorded. This test helps determine the pipe's ultimate tensile strength, yield strength, and elongation properties. Ductile iron pipe is also tested for its impact resistance through the Charpy test. This test involves striking a notched sample with a swinging pendulum to measure the amount of energy absorbed by the pipe. It helps assess the pipe's ability to withstand sudden impacts or loads without fracturing. Additionally, the pipe undergoes various non-destructive tests, including ultrasonic testing, magnetic particle inspection, and visual inspection. These tests help detect any internal or external defects, cracks, or abnormalities that may affect the pipe's structural integrity. Furthermore, chemical analysis and metallographic examination are performed to evaluate the chemical composition and microstructure of the ductile iron pipe. These tests ensure that the pipe meets the required specifications and standards for its intended application. Overall, the testing process for ductile iron pipe is comprehensive and rigorous, aiming to guarantee its quality, durability, and overall performance in delivering water, wastewater, or other fluids safely and efficiently.
Q:Steel plastic pipe, ductile iron pipe, steel pipe difference
Spheroidal graphite tube, now application has been relatively small, generally used for conveying water, gas at room temperature, low pressure, large diameter pipelines need to produce concrete pipe base, good corrosion resistance than steel pipe joints, vulnerable to external extrusion and leakage, the price is relatively cheap.
Q:Are ductile iron pipes suitable for use in seismic areas?
Yes, ductile iron pipes are suitable for use in seismic areas. Ductile iron has high strength and flexibility, making it resistant to seismic forces. It is able to withstand ground movements and vibrations during earthquakes without significant damage, making it a reliable choice for water and wastewater infrastructure in seismic areas.
Q:Are there any special coatings or linings used for ductile iron pipes?
Yes, there are special coatings and linings used for ductile iron pipes. These coatings are applied to the interior and exterior surfaces of the pipes to protect them from corrosion and extend their lifespan. Common coatings include cement mortar lining, epoxy lining, and polyethylene encasement. These protective layers help prevent the formation of rust and scale, ensuring the durability and longevity of ductile iron pipes.
Q:What is the expected flow capacity of ductile iron pipes?
The expected flow capacity of ductile iron pipes can vary depending on several factors such as the diameter and wall thickness of the pipe, the type of fluid being transported, and the specific design and condition of the pipeline system. Generally, ductile iron pipes are known for their high flow capacity due to their smooth internal surface which minimizes frictional losses. They are designed to handle a wide range of fluid flows, including water, sewage, and industrial fluids. In terms of specific flow rates, it is common to refer to the Manning's equation, which is widely used to calculate the flow capacity of open channels and pipes. This equation takes into account the hydraulic radius, slope of the pipe, and Manning's roughness coefficient to determine the expected flow capacity. However, it is important to note that the actual flow capacity can also be influenced by other factors such as the presence of fittings, valves, and bends in the pipeline, as well as any potential blockages or obstructions. Therefore, it is recommended to consult the manufacturer's specifications, engineering guidelines, or work with a qualified engineer to accurately determine the expected flow capacity of ductile iron pipes for a particular application.
Q:Can ductile iron pipes be used for pressure relief systems?
Indeed, pressure relief systems can make use of ductile iron pipes. Renowned for their robustness, longevity, and capacity to endure intense pressure circumstances, ductile iron pipes possess a remarkable resilience against both internal and external pressures. Consequently, they prove to be ideal for deployment within pressure relief systems. Furthermore, ductile iron pipes can withstand considerable fluctuations in pressure without jeopardizing their structural integrity. Consequently, they find widespread usage in various settings necessitating pressure relief systems, including water supply networks, wastewater treatment facilities, and industrial operations.
Q:How do ductile iron pipes compare to PVC pipes in terms of strength?
Ductile iron pipes are generally stronger than PVC pipes in terms of their ability to withstand external loads and pressure. Ductile iron has a higher tensile strength and can handle higher operating pressures, making it suitable for a wider range of applications, including underground and high-pressure systems. PVC pipes, on the other hand, have lower tensile strength and are more prone to cracking or bursting under high pressure or when exposed to extreme temperatures. However, PVC pipes are lighter and easier to handle, making them more convenient for installation and maintenance in certain situations.
Q:What are the different coatings available for ductile iron pipe?
There are several different coatings available for ductile iron pipe, each offering unique benefits and protection for various applications. Some of the most commonly used coatings include: 1. Cement Mortar Lining: This coating involves applying a layer of cement mortar to the interior surface of the pipe. It provides excellent resistance against corrosion and abrasion, making it suitable for transporting water and sewage. 2. Bituminous Coating: Bituminous coatings consist of a layer of asphalt or coal tar pitch applied to the pipe surface. This coating offers good protection against corrosion and is often used for underground pipes in water and wastewater systems. 3. Fusion-Bonded Epoxy (FBE) Coating: FBE coatings are created by electrostatically applying a layer of epoxy powder to the pipe surface, followed by curing it at high temperatures. This coating provides exceptional resistance against corrosion and is commonly used in applications where the pipe is exposed to harsh environments or corrosive substances. 4. Polyurethane Coating: Polyurethane coatings offer excellent resistance against abrasion, impact, and corrosion. They are often used for pipes that are exposed to abrasive materials or require additional protection against external damage. 5. Zinc Coating: Zinc coatings, also known as galvanized coatings, involve applying a layer of zinc to the pipe's surface. This coating provides excellent protection against corrosion, making it suitable for pipes that are exposed to moisture and aggressive environments. 6. Polyethylene Encasement: Polyethylene encasement involves wrapping the pipe with a layer of polyethylene film or tape. This coating provides a physical barrier against corrosion and is commonly used in conjunction with other coatings for added protection. It is essential to consider the specific requirements of the application, such as the type of fluid being transported and the environmental conditions, to determine the most suitable coating for ductile iron pipes.
Q:What is the excavation width of ductile iron pipes with diameters greater than 1400?
Then, according to the soil characteristics, different slopes are calculated, and the width of the excavation is calculated according to the depth and slopeIf the soil is soft, high water content and easy to collapse, the excavation width will be wide, otherwise the slope will be steep and the excavation width will be narrow
Q:Can ductile iron pipes be used for underground storage of hazardous materials?
No, ductile iron pipes are not recommended for underground storage of hazardous materials due to potential corrosion issues and the risk of leaks or contamination.

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