• DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 1
  • DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 2
  • DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 3
  • DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 4
  • DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700 System 5
DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700

DUCTILE IRON PIPES AND PIPE FITTINGS K8 CLASS DN700

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
22 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: Are ductile iron pipes prone to external corrosion?
External corrosion is not typically a concern for ductile iron pipes. This is because the material itself has protective properties. Ductile iron pipes are composed of a durable and strong material with a significant amount of graphite. The graphite serves as a natural barrier against external corrosion, effectively preventing rust and oxidation. Furthermore, ductile iron pipes are often coated with a layer of protection, such as cement mortar or polyethylene, to further enhance their resistance to corrosion. These coatings provide an additional safeguard, preventing contact between the pipe and any corrosive substances in the environment. It is important to note, however, that localized corrosion may still occur under certain conditions. Factors such as soil composition, moisture levels, and the presence of specific chemicals can potentially lead to the corrosion of ductile iron pipes in specific areas. Therefore, regular inspections and proper maintenance are necessary to promptly identify and address any potential corrosion concerns. In conclusion, ductile iron pipes are generally highly resistant to external corrosion. Nonetheless, like any other material, they require appropriate care and maintenance to ensure their long-term durability and reliability.
Q: Are ductile iron pipes suitable for installation in areas with high groundwater salinity?
Yes, ductile iron pipes are generally suitable for installation in areas with high groundwater salinity. Ductile iron is known for its corrosion resistance, making it a preferred choice in such environments. However, it is crucial to consider the specific salinity levels and consult with experts to ensure proper pipe coating and protection measures are in place to prevent any potential corrosion or degradation.
Q: What are the requirements for the hydrostatic test of ductile iron pipes?
The hydraulic pressure test shall be carried out in the backfill before trying to allow the pressure after passing the backfill, backfill, the graded gravel fill to 300mm above the top of pipe, and then the soil backfill, backfill process by 200~300 tamped pipeline above 500mm within more than 500 can be used in artificial ramming, mechanical compaction. The degree of compaction shall not be less than 0.93.
Q: Are ductile iron pipes suitable for bridge piers or abutments?
Yes, ductile iron pipes are suitable for bridge piers or abutments. Ductile iron is known for its high strength and durability, making it a reliable choice for supporting heavy loads in bridge construction. Additionally, ductile iron pipes are corrosion-resistant, which is crucial for structures exposed to moisture and environmental factors.
Q: What is the expected surge pressure rating of ductile iron pipes?
The expected surge pressure rating of ductile iron pipes can vary depending on various factors such as the diameter and thickness of the pipe, the type of joint used, and the specific manufacturer's specifications. However, ductile iron pipes are generally designed to withstand surge pressures between 150% to 200% of their working pressure rating. This means that if a ductile iron pipe has a working pressure rating of, for example, 250 psi, it can typically handle surge pressures of up to 375 psi to 500 psi. It is important to consult the manufacturer's specifications and guidelines for accurate surge pressure ratings specific to the ductile iron pipes being used.
Q: What is the typical diameter range of ductile iron pipes?
The typical diameter range of ductile iron pipes varies depending on the specific application and industry standards. Generally, ductile iron pipes come in a wide range of diameters to accommodate various needs. In water distribution systems, the typical diameter range can vary from as small as 3 inches (76 mm) to as large as 64 inches (1626 mm) or even larger. For sewer and wastewater systems, the typical diameter range is usually between 4 inches (102 mm) to 48 inches (1219 mm). However, it is important to note that these ranges are not exhaustive and there may be instances where ductile iron pipes are available in sizes outside of these common ranges. It is always advisable to consult industry standards and specific project requirements to determine the appropriate diameter range for ductile iron pipes.
Q: What is a slide in type T flexible interface?
The disadvantage of the T type interface is the ability to prevent pipe slippage because the interface can not withstand axial forces, so the base of the line is positioned against the axial forceFigure slider type (type T) interface (TYT type)The T type interface utilizes the self sealing action of the rubber ring to preserve the tightness of the water, as shown in the following figure. The so-called self sealing action is that the rubber ring is subjected to fluid pressureFig. interface rubber sealWhen the actual contact pressure to form a rubber ring is equal to the contact pressure and the fluid pressure generated by the installation of pre compression on the rubber ring and the new contact pressure. Due to the contact pressure than the fluid pressure, so the interface has good sealing function.
Q: How does ductile iron pipe compare to PVC pipe in terms of strength?
Generally, ductile iron pipe is considered stronger than PVC pipe due to its composition of iron and carbon, which provides it with high tensile strength and resistance to breakage. It is commonly utilized in heavy-duty applications like water mains, sewer lines, and industrial piping due to its ability to withstand high pressures. On the flip side, PVC pipe is manufactured using a plastic material known as polyvinyl chloride. While PVC pipe is lightweight and easy to handle, it lacks the strength of ductile iron pipe. It is typically used in low-pressure applications such as household plumbing, irrigation systems, and drainage pipes. When comparing the strength of ductile iron pipe to PVC pipe, the former has a greater capacity to handle heavy loads, endure ground movement, and resist damage from external factors like rocks or tree roots. Additionally, ductile iron pipe is more durable and has a longer lifespan in comparison to PVC pipe. However, it is important to consider that the choice between ductile iron pipe and PVC pipe ultimately depends on the specific requirements of the project. Factors such as cost, environmental conditions, ease of installation, and desired longevity should all be taken into account when determining the appropriate type of pipe to utilize.
Q: What are the different types of thrust restraints for ductile iron pipe?
There are several different types of thrust restraints that can be used for ductile iron pipe installations. These thrust restraints are designed to prevent the pipe from moving or separating under the forces generated by internal pressure, external loads, or changes in temperature. 1. Thrust blocks: Thrust blocks are concrete structures that are typically installed at bends, tees, and other changes in direction in the pipeline. They are designed to resist the thrust forces by transferring them to the surrounding soil or foundation. 2. Mechanical restraints: Mechanical restraints, such as tie rods or harnesses, are used to restrain the pipe by exerting an external force on it. These restraints are typically made of steel and can be adjusted to accommodate changes in pipe length or alignment. 3. Pipe anchors: Pipe anchors are devices that are installed at specific intervals along the pipeline to provide resistance against axial movement. They are usually made of steel and are embedded into the surrounding soil or concrete to provide a secure anchor point for the pipe. 4. Thrust collars: Thrust collars are devices that are installed around the pipe to prevent it from moving or separating. They are typically made of steel and are placed at strategic locations along the pipeline to absorb the thrust forces. 5. Restrained joint systems: Restrained joint systems are specialized pipe joints that are designed to resist axial forces. These joints typically have additional features, such as keyways or wedges, that provide resistance against movement. It is important to select the appropriate type of thrust restraint based on the specific requirements of the ductile iron pipe installation. Factors such as the pipe diameter, operating pressure, soil conditions, and potential external loads should be considered when determining the most suitable thrust restraint system. Consulting with a qualified engineer or pipe manufacturer can help ensure the proper selection and installation of thrust restraints for ductile iron pipe.
Q: How can stainless steel pipes and ductile iron pipes be joined?
The utility model can be connected with a wide range flange joint or a wide range flexible joint

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