DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN500

DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN500

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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:Can ductile iron pipes be used for gas distribution networks?: Indeed, gas distribution networks can utilize ductile iron pipes. Renowned for their robustness, longevity, and corrosion resistance, these pipes are well-suited for diverse purposes, including gas distribution. Their ability to endure high-pressure conditions and resist cracking or fracturing under strain further enhances their appeal. Moreover, ductile iron pipes boast an extended lifespan, minimizing the necessity for frequent replacements and upkeep. Nevertheless, it is crucial to emphasize the adherence to particular regulations and standards during the installation of ductile iron pipes for gas distribution, guaranteeing adequate safety precautions and conformity with industry directives.

Q:How long does the cast iron pipe of indoor direct buried sewage need to be examined?: UPVC, also called hard PVC, is an amorphous thermoplastic resin made by polymerization of vinyl chloride monomer, with certain additives (such as stabilizers, lubricants, fillers, etc.). In addition to additives, the method of blending with other resins is also applied to make it have obvious practical value. These resins are CPVC, PE, ABS, EVA, MBS and so on. UPVC has high melt viscosity and poor flowability. Even if the pressure and melt temperature are increased, the fluidity is not changed. In addition, the molding temperature of the resin is very close to the thermal decomposition temperature, and the molding temperature range is very narrow. It is a difficult material to be formed.

Q:Will the cast iron pipes rust?: Qualified ductile iron pipe requires lining standard cement. The outer wall of pipe needs spraying zinc treatment and asphalt paint coating, and other epoxy resin paint can also be selected.

Q:Do ductile iron pipes require special maintenance?: Yes, ductile iron pipes do require special maintenance. While ductile iron is known for its strength and durability, it is still susceptible to certain forms of corrosion. Regular maintenance is necessary to prevent corrosion and prolong the lifespan of the pipes. This maintenance typically includes periodic inspections to check for any signs of corrosion or damage, as well as cleaning and protective coating applications. Additionally, proper handling and installation techniques should be followed to ensure the integrity of the pipes. Regular maintenance and adherence to industry best practices can help prevent leaks, breaks, and other issues, ultimately saving time and money in the long run.

Q:How does ductile iron pipe perform in extreme temperatures?: Ductile iron pipe performs well in extreme temperatures due to its ability to expand and contract without cracking or breaking. It has a high thermal conductivity, allowing it to efficiently transfer heat without compromising its structural integrity. Additionally, its corrosion resistance properties make it suitable for both hot and cold environments, ensuring long-term performance even in extreme temperature conditions.

Q:Do ductile iron pipes require internal linings for potable water?: No, ductile iron pipes do not require internal linings for potable water.

Q:Can ductile iron pipe be used for power plant cooling water systems?: Yes, ductile iron pipe can be used for power plant cooling water systems. Ductile iron pipe is known for its high strength and durability, which makes it suitable for various applications, including cooling water systems in power plants. It has excellent corrosion resistance, making it resistant to the corrosive effects of water and chemicals commonly found in cooling water systems. Additionally, ductile iron pipe has a smooth interior surface that minimizes friction loss and allows for efficient water flow. These characteristics make ductile iron pipe a reliable and cost-effective choice for power plant cooling water systems.

Q:Can ductile iron pipe be recycled?: Yes, ductile iron pipe can be recycled. It is a highly recyclable material that can be melted down and reused in the production of new ductile iron products. Recycling ductile iron pipe helps reduce waste and conserves natural resources.

Q:What are the advantages of using ductile iron pipe over concrete pipe?: Using ductile iron pipe instead of concrete pipe offers several advantages. To begin with, ductile iron pipe has a higher strength-to-weight ratio, making it capable of withstanding higher pressure and loads while being lighter. This makes it easier to handle and install, ultimately reducing labor costs and saving time. Additionally, ductile iron pipe has superior corrosion resistance, making it less susceptible to rust or degradation over time. This extends its lifespan and reduces the need for frequent repairs or replacements, making it a more cost-effective option in the long run. Moreover, ductile iron pipe is more flexible and resilient compared to concrete pipe. It can withstand ground movement, settling, and other environmental factors without cracking or breaking. This reduces maintenance and repair costs, ensuring its durability. Furthermore, ductile iron pipe has a smoother interior surface, resulting in improved flow characteristics and reduced friction. This allows for more efficient transportation of fluids and minimizes the risk of clogs or blockages, guaranteeing uninterrupted flow. Lastly, ductile iron pipe is highly versatile and suitable for a wide range of applications. It can be used for both above-ground and underground installations, making it ideal for various infrastructure projects such as water supply systems, wastewater treatment plants, and industrial applications. In conclusion, the advantages of using ductile iron pipe over concrete pipe include its higher strength-to-weight ratio, superior corrosion resistance, better flexibility and resilience, smoother interior surface, and versatility. These benefits make it a reliable and cost-effective choice for various infrastructure projects.

Q:What are the recommended bedding and backfill materials for ductile iron pipe?: To ensure proper alignment and prevent damage during installation and operation, ductile iron pipe requires a combination of granular materials such as sand, gravel, or crushed stone for bedding and backfill. Bedding involves using sand to create a level surface, distributing the load evenly and reducing stress concentration. As for backfill, it should be carefully selected to offer good compaction and drainage properties, preventing settling and potential damage. Common choices for backfill are crushed stone or gravel, which provide stability and allow for proper compaction. To ensure the long-term performance and durability of the pipe system, it is crucial to adhere to the recommendations of the pipe manufacturer and relevant industry standards when selecting bedding and backfill materials. These materials must meet specified size and quality requirements. Additionally, local regulations and soil conditions should also be considered when determining the appropriate bedding and backfill materials for ductile iron pipe installations.

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