Ductile iron pipes class k9 for drinking water

Class K9 Ductile Iron Pipes are the premium choice for safe and reliable drinking water transmission. The core material, ductile iron, provides an exceptional combination of high tensile strength, impressive impact resistance, and necessary ductility, safeguarding the pipeline against external pressure, ground movement, and handling stresses. This inherent durability ensures a long operational life with minimal risk of failure.

For the critical transport of potable water, the pipes are furnished with a certified cement-mortar or polyurethane lining. This lining is non-toxic, smooth, and stable, preventing corrosion and tuberculation to maintain excellent hydraulic flow characteristics and preserve water quality throughout the system. Externally, a robust bitumen or epoxy coating offers superior protection against a wide spectrum of corrosive soils.

Furthermore, these pipes are manufactured to international standards like ISO 2531 and EN 545, guaranteeing dimensional accuracy and performance. The standard push-fit joint system, sealed by a resilient rubber gasket, allows for rapid, leak-tight, and flexible installation. This combination of mechanical robustness, corrosion protection, and joint reliability makes Class K9 the dependable, long-term solution for modern water supply networks.

Class K9 Ductile Iron Pipes are the backbone of modern, safe drinking water distribution systems. Their primary application is in municipal water supply networks, serving as the main arterial lines for transporting potable water from treatment plants to storage reservoirs and throughout urban and suburban communities. Their high pressure rating (PN10/16) and robust impact resistance make them ideal for deep-burial installations, including under roads, railways, and other areas with significant surface loading.

These pipes are equally crucial for large-scale infrastructure projects, forming the core of primary transmission mains that move vast quantities of water over long distances. Furthermore, their corrosion resistance, both internally and externally, ensures water quality is preserved, making them suitable for projects in a variety of soil conditions. The reliable, leak-tight push-fit joint system allows for efficient installation in complex layouts and provides the flexibility to withstand ground settlement and seismic shifts. This combination of strength, durability, and hydraulic efficiency establishes Class K9 pipes as the trusted standard for ensuring a resilient and long-lasting water supply infrastructure.

Ductile Iron (DI) Pipe Class K9 represents the pinnacle of reliability and performance for modern drinking water transmission and distribution networks. Manufactured in strict accordance with international standards such as ISO 2531, it is the preferred choice for engineers and municipalities worldwide who prioritize long-term asset integrity and public health.

The fundamental strength of this pipe lies in its material. Through a controlled metallurgical process, the graphite within the iron is transformed into spheroidal nodules, granting the pipe exceptional tensile strength, impact resistance, and remarkable ductility. This unique combination allows it to withstand high internal pressures (exceeding 4.0 MPa for DN100), heavy external loads, and ground movements, including the critical resistance to water hammer, which can be devastating to more brittle materials.

To ensure the safe conveyance of high-quality drinking water, the pipe's internal surface is lined with a centrifugally applied cement mortar or a certified epoxy lining. This smooth, permanent barrier prevents corrosion and tuberculation, maintaining a high flow coefficient (C-value) over its entire lifespan, which often exceeds 100 years. This results in significant energy savings from reduced pumping costs and guarantees water quality from treatment plant to tap.

The pipe is designed for easy and secure installation using a push-fit joint system with an advanced elastomeric seal ring. This joint is self-restraining, pressure-tight, and flexible, accommodating minor ground deflection. Available in a range of diameters (DN 80 to DN 2000), our Class K9 Ductile Iron Pipe delivers a robust, sustainable, and cost-effective solution for building resilient and safe drinking water infrastructure for future generations.

Q: What's your qualification in this product ?

A: We have been engaged in this industry for decades with seasoned export team. All the product is strictly conformed to the international standard ISO2531:1998,EN545-2002 and other related standard.

Q: How long is your delivery time ?

A: Generally it is 5-10 days if the goods are in stock. or it is 20-30 days if the goods are not in stock, it is according to quantity.

Q: What's your terms of payment ?

A: 30% T/T in advance , balance before shipment or against L/C . And D/P , D/A ,L/C for free options.

Q: What's your trade terms ?

A: FOB , CIF , CFR as per client's requirements.

If you have any other questions , please feel free to contact us.