Ductile Iron Pipe Solutions for Water, Sewage & Municipal Infrastructure

Provided by Tiegu

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1. Product Overview

Integrated Ductile Iron Pipe Solutions by Tiegu

Tiegu provides integrated ductile iron pipe solutions for water supply, sewage, irrigation, and municipal infrastructure projects.
Our solutions cover pipes, fittings, coatings, linings, and joint systems, tailored to different standards, pressure classes, and project conditions.

Through long-term cooperation with qualified manufacturers, Tiegu is able to supply ductile iron pipe systems from DN80 to DN2600, supporting both standard and customized requirements for international projects.

Tiegu’s ductile iron pipes are engineered for durability and reliable performance across municipal and industrial projects. Available in a wide range of sizes and grades, our pipes meet international standards and can be customized to project-specific requirements.

Key Specification Capabilities:

• Nominal Diameter Range: DN80 – DN2600

• Manufacturing Method: Centrifugal casting

• Typical Pipe Length: 6 meters (customizable)

• Available Pipe Grades: K7 / K8 / K9 / K10–K12

Typical Mechanical Properties:

• Tensile strength: ≥ 420 MPa

• Yield strength: ≥ 300 MPa

• Designed service life: 50 years or longer, depending on application and protection system

Tiegu supports project-based specification matching, ensuring that pipe size, pressure class, and lining system align with design and local standards.

3. Technical Standards & Compliance

Tiegu ductile iron pipe solutions comply with international and regional standards, ensuring smooth approval for both domestic and overseas infrastructure projects.

Supported Standards Include:

• EN 545 – Ductile iron pipes for water supply

• EN 598 – Ductile iron pipes for sewage applications

• ISO 2531 – Ductile iron pipes, fittings, and accessories

• GB 13295 / GB 26081 – China national standards

• Other standards available upon request (e.g., Australia, Brazil)

Quality & Management Systems:

• ISO 9001 – Quality Management

• ISO 14001 – Environmental Management

• ISO 45001 / GB/T 28001 – Occupational Health & Safety

4. Applications Overview

Tiegu ductile iron pipe solutions are widely applied in municipal and industrial infrastructure projects, including:

Applications Include:

• Municipal water supply systems

• Sewage and wastewater pipelines

• Irrigation and agricultural water transmission

• District heating networks

• Industrial and special-purpose pipelines

Tiegu supplies complete ductile iron pipe systems, including:

• Ductile Iron Pipes (DN80–DN2600)

• Ductile Iron Fittings (bends, tees, reducers, flanged fittings)

• Rubber Gaskets (ISO 4633 compliant)

• Special Pipes:

• Jacking pipes for trenchless construction

• Dragging pipes for HDD applications

• Self-anchored pipes

• PE-lined, epoxy-lined, ceramic-lined, and PU-lined pipes

Municipal Water Supply Projects

• Recommended DN range: DN300–DN1200

• Pressure class: PN10–PN25

• Lining: Cement mortar or PE lining

• Standards: EN 545 / ISO 2531

Sewage & Wastewater Systems

• Corrosion-resistant lining systems

• Suitable for pressure sewage pipelines

• Designed for underground installation

Trenchless Installation Projects

• Jacking and dragging pipe solutions

• Suitable for road, railway, and river crossings

• Reduced surface disruption in urban areas

District Heating Networks

• Continuous operating temperature up to 120°C

• Long-term operational stability

• Lower lifecycle cost compared with steel pipelines

  
  

7. CTA / Contact

Looking for a reliable ductile iron pipe solution?

Tiegu provides professional support covering product selection, technical coordination, standard compliance, and export documentation.

Tiegu provides:

• Technical coordination and standard matching

• Flexible supply and delivery planning

• Project-based pipe selection support

• Documentation and inspection support for export projects

  
  

📩 Contact Information

Email: zbw@tiegu.net

Phone: 8615256135588

WhatsApp: 8615256135588

Get in touch with Tiegu to discuss your ductile iron pipe project requirements and receive technical support.