DUCTILE IRON PIPES AND PIPE FITTINGS k8 CLASS DN1400

DUCTILE IRON PIPES AND PIPE FITTINGS k8 CLASS DN1400

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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: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:The role of chromium in nodular cast iron: In order to further understand the mechanism of chromium in ductile iron, the application of electronic scanning and other test means, from chrome crystal structure, crystallization, solidification, heat treatment transformation principle, further study on the mechanism of chromium in ductile iron.

Q:What are the different methods for testing ductile iron pipe?: To ensure the quality and reliability of ductile iron pipe, there are several available testing methods: 1. The most commonly used method is hydrostatic testing. This involves filling the pipe with water and pressurizing it to a specific level. The pipe is then inspected for leaks or deformations under the applied pressure. Hydrostatic testing determines the pipe's ability to withstand internal pressure without failing. 2. Tensile testing involves subjecting a sample of the ductile iron pipe to an increasing tensile load until it fractures. This test measures the material's ultimate tensile strength, yield strength, and elongation. It assesses the pipe's mechanical properties and ability to withstand tension without breaking. 3. Hardness testing measures the pipe's hardness using techniques such as Brinell, Rockwell, or Vickers hardness tests. This provides information about the material's resistance to deformation, wear, and fatigue. It evaluates the pipe's durability and resistance to external forces. 4. Impact testing entails striking a notched sample of the ductile iron pipe with a pendulum or falling weight to measure its impact resistance. This test determines the material's ability to absorb energy during sudden loading or impact. It evaluates the pipe's ability to withstand accidental impacts or dynamic loads. 5. Ultrasonic testing is a non-destructive method that uses high-frequency sound waves to detect internal defects or discontinuities in the ductile iron pipe. This testing identifies voids, cracks, or inclusions that may affect the pipe's structural integrity. It ensures the pipe's soundness and reliability. 6. Magnetic particle testing primarily detects surface or near-surface defects in the ductile iron pipe. It involves applying a magnetic field to the pipe and then applying magnetic particles to the surface. Any defects will cause the particles to gather and form visible indications. This testing identifies surface cracks, laps, or other defects that may affect the pipe's performance. By utilizing these various testing methods, ductile iron pipe can meet industry standards and specifications, guaranteeing its quality and reliability in various applications.

Q:Are ductile iron pipes resistant to abrasion?: Yes, ductile iron pipes are highly resistant to abrasion.

Q:Are ductile iron pipes suitable for water distribution networks?: Yes, ductile iron pipes are suitable for water distribution networks. Ductile iron pipes have been widely used in water distribution systems for many years due to their numerous advantages. Firstly, ductile iron pipes have excellent durability and long lifespan. They are highly resistant to corrosion, which is extremely important for water pipes as they are constantly exposed to various chemicals and substances in the water. This resistance to corrosion ensures that the pipes maintain their structural integrity over time, reducing the need for frequent repairs or replacements. Additionally, ductile iron pipes have high strength and can withstand high pressure, making them ideal for water distribution networks. They can handle heavy loads and resist external forces such as soil movement or traffic loads, ensuring the safety and reliability of the water supply. Furthermore, ductile iron pipes have excellent hydraulic properties. They have smooth internal surfaces that minimize friction and pressure drop, allowing water to flow efficiently through the system. This helps to conserve energy and reduce pumping costs, making ductile iron pipes a cost-effective choice for water distribution networks. Moreover, ductile iron pipes are versatile and can be easily installed in various soil conditions. They can withstand ground movement and settle without breaking, which is crucial for maintaining a stable water distribution system. In conclusion, ductile iron pipes are highly suitable for water distribution networks due to their durability, resistance to corrosion, high strength, excellent hydraulic properties, and versatility in installation. They provide a reliable and efficient solution for delivering safe and clean water to communities.

Q:Can ductile iron pipes be used for underground storage tanks?: No, ductile iron pipes are not suitable for underground storage tanks. Underground storage tanks usually require special materials that have corrosion resistance and can withstand the pressure and environmental conditions.

Q:Can ductile iron pipes be used in areas with high water velocity?: Areas with high water velocity can indeed utilize ductile iron pipes. These pipes are renowned for their robustness and resilience, making them a fitting choice for dealing with elevated water speeds and pressures. They possess exceptional corrosion resistance and can withstand the powerful forces generated by swiftly flowing water. Furthermore, the design of ductile iron pipes includes smooth internal surfaces, which aids in minimizing friction and mitigating the potential impact of high water velocity on the pipes. Nevertheless, it is crucial to adhere to appropriate installation and maintenance procedures to optimize the performance and durability of the ductile iron pipes in areas with high water velocity.

Q:What are the typical installation methods for ductile iron pipe?: Proper installation and functionality of ductile iron pipe involve a series of steps. Firstly, the trench must be excavated to the required depth and width, considering the pipe diameter and bedding material. Careful preparation of the trench bottom is then necessary to remove sharp objects or debris that could damage the pipe. Next, an even layer of suitable bedding material, like sand or fine gravel, is placed along the trench bottom to support the pipe and prevent point loading. This bedding material is compacted to ensure stability and eliminate any voids that may cause pipe settling or shifting over time. Once the bedding is set, the ductile iron pipe is gently lowered into the trench, taking precautions to protect the pipe's coating. Regular intervals along the trench, appropriate pipe supports or blocks are used to align and support the pipes. After proper alignment, the joints are assembled by lubricating and inserting a rubber gasket into the bell end of the pipe. The spigot end of the adjacent pipe is then inserted into the bell end, creating a secure and watertight seal. With joints assembled, the backfilling process begins. Backfill material, typically a combination of native soil and select backfill, is carefully placed around the pipe in layers and compacted to ensure stability and prevent voids. Gradual backfilling allows for proper compaction without excessive pressure or pipe damage. Finally, the trench is fully backfilled and compacted to adequately support and protect the pipe from external forces. Surface restoration is then performed to minimize disruption caused by the installation process and restore the area to its original condition. It is important to note that installation methods may vary based on project specifications, local regulations, and engineering recommendations. Consulting the manufacturer's guidelines and working closely with qualified professionals is essential to ensure proper installation of ductile iron pipe.

Q:How does ductile iron pipe resist internal corrosion?: Ductile iron pipe resists internal corrosion due to the protective barrier formed by its cement lining. This lining acts as a barrier between the iron pipe and the transported fluid, preventing direct contact and minimizing the chances of corrosion. Additionally, the high carbon content in ductile iron enhances its corrosion resistance compared to other types of iron pipes.

Q:What is the external coating used in ductile iron pipes?: The external coating used in ductile iron pipes is typically made of a protective material such as zinc or asphalt. These coatings are applied to the surface of the pipe to provide corrosion resistance and protect the iron from the surrounding environment. Zinc coatings, such as hot-dip galvanizing, are commonly used due to their excellent corrosion resistance properties. Asphalt coatings, on the other hand, provide a durable and flexible barrier against corrosion and abrasion. The choice of coating depends on factors such as the intended application, environmental conditions, and the specific requirements of the project.

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