• DUCTILE  IRON PIPES  AND PIPE FITTINGS K9 CLASS DN150 System 1
DUCTILE  IRON PIPES  AND PIPE FITTINGS K9 CLASS DN150

DUCTILE IRON PIPES AND PIPE FITTINGS K9 CLASS DN150

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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 suitable for road crossings?
Indeed, road crossings can indeed be suitably accommodated by ductile iron pipes. Given its robustness and durability, ductile iron proves to be exceedingly appropriate for subterranean installations, specifically road crossings. These pipes exhibit remarkable tensile strength, enabling them to endure substantial loads and traffic pressures without succumbing to fractures or breakages. Moreover, ductile iron pipes showcase exceptional resistance to corrosion, guaranteeing their durability even in the harshest of environments. Not to mention, their effortless installation and upkeep render them a dependable option for road crossings.
Q:What are the advantages and disadvantages of spheroidal graphite cast iron?
Therefore, ductile iron pressure containing parts are treated with a ferritizing annealing cycle, the globular structure of ductile iron internal can also eliminate the crack phenomenon of iron easy to produce graphite flakes within the. In microscopic photographs of ductile iron, cracks can be seen and terminated after the parade of graphite balls. In the ductile iron industry, these graphite balls are called "crack terminator" because they have the ability to prevent fracture.
Q:How do ductile iron pipes handle ground movement near rivers and lakes?
Ductile iron pipes are highly suitable for handling ground movement near rivers and lakes. Their inherent flexibility and durability make them resistant to ground instability. They can withstand minor shifts and settle with the movement without cracking or breaking. Additionally, their sturdy construction and high tensile strength allow them to adapt to changing soil conditions, ensuring the integrity and longevity of the pipeline system in these areas.
Q:Ductile iron pipe is flexible pipe or rigid pipe
The flexible tube and you say should refer to the common steel pipe and seamless steel pipe, because the two are by the simple method according to the needs and the deformation, in other words, ductile iron is cast out without deformation.
Q:How are ductile iron pipes inspected for quality control?
Ductile iron pipes are inspected for quality control through a series of rigorous tests and inspections to ensure their compliance with industry standards. One of the most common methods used is visual inspection, where trained inspectors examine the pipes for any visible defects such as cracks, pits, or surface irregularities. This helps in identifying any visual defects that may compromise the overall quality of the pipes. In addition to visual inspection, another crucial quality control measure is dimensional inspection. This involves measuring the dimensions of the pipes, such as diameter, wall thickness, and length, using specialized tools and equipment. By comparing these measurements against the specified tolerances, any deviations can be identified, and necessary corrective actions can be taken. Another important quality control step is hydrostatic pressure testing. In this test, the pipes are subjected to internal pressure that is higher than their intended operating pressure. This ensures that the pipes can withstand the required pressure without any leakage or failure. The test involves filling the pipes with water and gradually increasing the pressure, while closely monitoring for any signs of leakage or deformation. Furthermore, ductile iron pipes undergo various mechanical tests, such as tensile strength testing and impact testing, to evaluate their mechanical properties. These tests involve applying controlled forces or impacts to the pipes and measuring their response. By doing so, the strength, toughness, and durability of the pipes can be assessed, ensuring they meet the necessary requirements. Lastly, metallurgical examinations are conducted to analyze the microstructure of the ductile iron pipes. This involves taking samples from the pipes and using microscopy techniques to examine the grain structure, phase distribution, and any potential defects at a microscopic level. This helps in identifying any issues that may not be visible to the naked eye but could affect the overall quality of the pipes. Overall, the inspection process for ductile iron pipes involves a combination of visual, dimensional, hydrostatic, mechanical, and metallurgical tests. These quality control measures help ensure that the pipes meet the required standards, providing reliable and durable infrastructure for various applications.
Q:Can ductile iron pipes be used for underground fuel storage systems?
No, ductile iron pipes are not suitable for underground fuel storage systems. They are more commonly used for water and sewer applications due to their strength and durability in carrying liquids. Underground fuel storage systems require materials that are specifically designed to handle the corrosive nature of fuel and prevent leaks or contamination, such as double-walled fiberglass or steel tanks.
Q:What are the common methods for cutting ductile iron pipes?
Cutting ductile iron pipes can be done using various methods, depending on the specific requirements and available tools. 1. For smaller diameter pipes, a hand saw with a carbide-tipped blade is commonly used. However, this method requires physical effort and can be time-consuming. 2. A more efficient option is using a reciprocating saw with a diamond or carbide abrasive blade. This power tool allows for faster cutting and requires less physical effort. 3. Another popular method is using a cut-off saw, also known as a chop saw or disc cutter. Equipped with a diamond or abrasive blade, this power tool provides precise and fast cuts, making it suitable for both small and large diameter pipes. 4. Cutting larger diameter ductile iron pipes can be achieved using a band saw with a bi-metal or carbide-tipped blade. This method allows for clean and precise cuts, but it may require specialized equipment and expertise. 5. In cases where other cutting tools are not available, a grinding wheel with a diamond or abrasive disc can be used for cutting smaller diameter pipes. It is crucial to follow proper safety precautions when cutting ductile iron pipes. This includes wearing appropriate protective gear and using clamps or vices to secure the pipe during cutting. It is also recommended to consult professionals or refer to manufacturers' guidelines for specific recommendations on cutting ductile iron pipes.
Q:How does ductile iron pipe perform in seismic areas?
Due to its inherent strength and flexibility, ductile iron pipe is highly effective in seismic areas. Seismic activity can cause significant ground movements and vibrations, but ductile iron pipes have shown great resilience in such conditions. The exceptional performance of ductile iron pipe in seismic areas can be attributed to its unique properties, such as its high tensile strength and ductility. These properties enable it to absorb the energy generated during seismic events. Its ability to flex and bend without breaking or fracturing makes it an ideal choice for earthquake-prone regions. Furthermore, ductile iron pipes are specifically designed and manufactured to withstand external forces and ground movements. They are often equipped with flexible joints that can accommodate ground shifts and maintain the integrity of the pipeline system. These joints effectively absorb lateral and angular movements, minimizing the risk of pipe failure. Moreover, ductile iron pipes have a long-standing history of successful performance in seismic areas. They have undergone extensive testing and have consistently met or exceeded industry standards for seismic resistance. This reliability is crucial in ensuring the safety and functionality of water and wastewater systems, even during seismic events. In conclusion, ductile iron pipe is a reliable and durable choice for pipelines in seismic areas. Its ability to withstand ground movements, its flexibility, and its proven track record make it an excellent option for ensuring the integrity and functionality of water and wastewater systems in regions prone to earthquakes.
Q:How does ductile iron pipe handle temperature changes?
Ductile iron pipe is renowned for its effective handling of temperature changes. The exceptional properties of ductile iron give it a high resistance to thermal expansion and contraction, enabling it to endure extreme temperature variations without significant distortions or failures. When subjected to temperature changes, ductile iron pipes can expand or contract within specific limits due to their inherent ductility. This flexibility assists in accommodating thermal stresses and preventing pipe cracking or breakage. The material's remarkable tensile strength and elasticity also contribute to its capacity to manage temperature changes without substantial structural harm. Furthermore, ductile iron pipes possess a low coefficient of thermal expansion, meaning they expand and contract at a relatively gradual rate compared to other materials. This characteristic minimizes the potential for stress on pipe joints and reduces the risk of leaks or failures. In addition to its exceptional thermal stability, ductile iron pipe is equipped with a protective lining that further enhances its resistance to temperature changes. Linings such as cement mortar or polyethylene create a barrier between the pipe and the transported fluid, preventing any adverse effects caused by thermal variations on the pipe's inner surface. Overall, ductile iron pipe proves to be a dependable choice for applications where temperature changes are frequent. Its ability to withstand thermal stresses, low coefficient of thermal expansion, and protective linings make it a durable and efficient solution for various infrastructural needs, including water distribution, wastewater management, and industrial applications.
Q:Can ductile iron pipes be used for underground mining applications?
Yes, ductile iron pipes can be used for underground mining applications. Ductile iron is a strong and durable material that can withstand the harsh conditions and heavy loads associated with mining operations. It has excellent resistance to corrosion and is able to handle high pressure and temperature environments. Additionally, ductile iron pipes are flexible and can be easily installed and maintained, making them suitable for underground mining applications where mobility and adaptability are important. Overall, ductile iron pipes are a reliable and cost-effective choice for underground mining operations.

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