DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN1300

DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN1300

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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: What is the expected joint tightness for ductile iron pipes?: Ductile iron pipes are renowned for their exceptional strength and durability, which grants them remarkable resistance against leaks and joint failures. Consequently, the joints in these pipes are meticulously designed to establish a secure and tight connection, effectively minimizing any potential water or fluid loss. In the realm of ductile iron pipes, a variety of joint types are commonly employed. These encompass mechanical joints, restrained joints, and push-on joints. Each of these joint types is uniquely crafted to deliver a reliable seal, effectively averting any leakage. Mechanical joints rely on a combination of a mechanical gland and rubber gaskets to forge an airtight seal. The assembly of these joints necessitates a specific level of torque to ensure proper compression and sealing. On the other hand, restrained joints are specifically tailored to withstand external forces, such as soil movement or pressure, while simultaneously preserving their tightness. To achieve this, these joints often incorporate a mechanical restraint system, such as a key-locking mechanism, thereby preventing joint separation. Meanwhile, push-on joints represent the most straightforward option to install, as they rely on a compressed rubber gasket that effectively seals the pipes when pushed together. These joints are most commonly employed in smaller diameter pipes, where external forces exerted on them are minimal. All in all, ductile iron pipes are expected to exhibit a high level of joint tightness, ensuring consistent and leak-free performance across a wide array of applications, including water distribution, wastewater systems, and industrial piping networks.

Q: Can ductile iron pipes be used for underground fire hydrant systems?: Indeed, underground fire hydrant systems can utilize ductile iron pipes. Renowned for their robustness and endurance, ductile iron pipes are well-suited for subterranean usage. They exhibit remarkable resistance against corrosion and possess the ability to endure significant pressures, both of which are indispensable prerequisites for fire hydrant systems. Moreover, ductile iron pipes boast an extended lifespan, diminishing the necessity for frequent replacements and upkeep, thereby rendering them a financially prudent option for fire hydrant systems.

Q: What is the cost of ductile iron pipes compared to other materials?: The cost of ductile iron pipes is generally higher compared to other materials such as PVC or HDPE. While the upfront cost may be higher, ductile iron pipes are known for their durability, longevity, and resistance to damage, making them a cost-effective choice in the long run.

Q: Are ductile iron pipes suitable for underground storage tanks?: Underground storage tanks can indeed benefit from the use of ductile iron pipes. Ductile iron, known for its strength and durability, exhibits exceptional resistance to corrosion and can withstand the immense pressure and weight associated with burial underground. These pipes find widespread application in various underground systems, such as water and sewage systems, owing to their remarkable tensile strength and ability to handle both internal and external loads. Furthermore, ductile iron pipes boast an extended service life, often surpassing 100 years, rendering them a dependable choice for underground storage tanks. They also possess resistance against ground movement and can adapt to soil settling or shifting, thereby ensuring the integrity and stability of the storage tank system. Moreover, the smooth internal surface of ductile iron pipes provides excellent flow characteristics, preventing the accumulation of debris or sediment that may impede the system. Hence, they prove to be an ideal option for storing a diverse range of liquids or substances. In conclusion, the strength, durability, corrosion resistance, and long service life of ductile iron pipes establish them as a suitable and reliable choice for underground storage tanks.

Q: Can ductile iron pipes be used for underground slurry pipelines?: Yes, ductile iron pipes can be used for underground slurry pipelines. Ductile iron pipes are known for their strength, durability, and resistance to corrosion, making them suitable for a variety of applications including underground slurry pipelines. They provide a reliable and cost-effective solution for transporting slurry, which is a mixture of solids and liquids, over long distances. The inherent toughness and flexibility of ductile iron pipes allow them to withstand the abrasive nature of slurry and the external loads associated with underground installation. Additionally, ductile iron pipes can be easily joined using various methods, ensuring a secure and leak-free pipeline system. However, it is important to consider the specific properties of the slurry being transported and consult with experts to determine the appropriate pipe specifications and design considerations for the underground slurry pipeline.

Q: Can ductile iron pipe be used in areas with high groundwater levels?: Areas with high groundwater levels can indeed utilize ductile iron pipe. This type of pipe is renowned for its robustness and sturdiness, which renders it appropriate for a wide range of purposes, including areas with high groundwater levels. Its resistance to corrosion ensures that it remains highly impervious to the damaging impact of groundwater, thereby guaranteeing enduring efficiency and dependability. Furthermore, the flexible joints of ductile iron pipe enable it to endure ground shifts and settlements caused by fluctuating groundwater levels. As a result, it represents a suitable choice for regions with high groundwater levels, offering a dependable solution for water distribution systems and other subterranean applications.

Q: What kind of valves are commonly used in ductile iron pipes?: You ask the ductile cast iron valves used on no special, because this interface in connection with the valve on the pipe flange is basically, as long as the flange of the valve should be can be used in milling pipe.

Q: What are the interface forms of ductile iron pipes? The best drawings are available. Thank you: T interface type sealing ring is a self sealing rubber ring, when the pipe internal pressure increases, the contact pressure between the seal and the pipe increases, T interface can not only allow the deflection angle of the axial displacement, and convenient for installation. When the T type interface is installed, the sealing of the rubber ring can be ensured as long as the socket is simply loaded into the socket and the rubber ring is pressed tightly. This kind of interface has the advantages of reliable sealing, good seismic resistance and corrosion resistance, and it is a better interface.

Q: Method for cutting large diameter ductile iron pipe: When the volume ratio of oxygen and acetylene is less than 1, a carbonized flame is obtained. Because of less oxygen and incomplete combustion, the flame is longer than the neutral flame and the temperature is lower. Acetylene in the carbide flame is suitable for welding high carbon steel, cast iron and cemented carbide materials. When welding other materials with a carbide flame, the weld metal becomes hard and brittle.