Products Description
K9 DI Pipe is manufactured using advanced centrifugal casting technology and engineered for long-distance water transmission, municipal distribution networks, and industrial pipeline systems. Featuring excellent pressure resistance, corrosion protection, and long service life, our K9 ductile iron pipes comply with international standards and are available with customized coatings, dimensions, and connection types to meet global infrastructure requirements.
Key Technical Specifications
| Item | Specification |
|---|---|
| Product Name | K9 DI Pipe |
| Material | Ductile Cast Iron |
| Manufacturing Process | Centrifugal Casting |
| Pipe Class | K9 |
| Nominal Diameter | DN80 – DN2600 |
| Standard Length | 6 Meters |
| Joint Type | T-Type / K-Type / Self-Restrained / Flanged |
| Internal Lining | Cement Mortar / Epoxy / PU Lining |
| External Coating | Zinc + Bitumen / Epoxy / Zinc-Aluminum |
| Working Pressure | According to ISO 2531 / EN545 |
| Standards | ISO2531 / EN545 / EN598 |
| Application | Drinking Water, Municipal Water Supply, Irrigation |
| Trade Terms | FOB, CIF, CFR Available |
| Minimum Order | 10 Pipes (6 Meters Each) |
| Customization | Available |
Product Features
Superior Mechanical Strength
K9 DI Pipe is manufactured from high-quality ductile iron with spheroidal graphite microstructure, providing excellent tensile strength, impact resistance, and flexibility. It performs reliably under demanding operating conditions while maintaining long-term structural integrity.
Advanced Centrifugal Casting Technology
Produced using precision centrifugal casting equipment, every pipe features uniform wall thickness, excellent dimensional accuracy, and a dense metal structure. This manufacturing process significantly improves mechanical performance and product consistency.
Excellent Corrosion Protection
To ensure reliable operation in underground environments, each pipe is protected by zinc coating combined with bituminous or epoxy finishing. Multiple anti-corrosion systems are available according to different soil conditions and water quality requirements.
Reliable Hydraulic Performance
The smooth internal cement mortar or epoxy lining minimizes friction losses and helps maintain efficient water flow throughout the pipeline network. Improved hydraulic efficiency contributes to lower pumping energy consumption and more stable water delivery.
Core Selling Points
Flexible Joint Solutions
Different pipeline projects require different installation methods. Our K9 ductile iron pipes are available with:
T-Type Push-in Joint
K-Type Mechanical Joint
Self-Restrained Joint
Flanged Joint
These connection options allow engineers to select the most suitable solution according to project specifications.
Long Service Life
Designed for long-term infrastructure investment, K9 DI Pipe provides outstanding durability under varying environmental conditions. Proper installation and protective coatings help maximize operational life while reducing maintenance requirements.
Manufacturer Direct Supply
As an experienced ductile iron pipe manufacturer, we offer factory-direct supply with competitive FOB pricing. Customers benefit from stable production capacity, strict quality control, and customized manufacturing services for international engineering projects.
Application & Scope
| Industry | Application |
|---|---|
| Municipal Water Supply | Urban distribution pipelines |
| Drinking Water Projects | Potable water transmission |
| Water Treatment Plants | Raw and treated water pipelines |
| Irrigation Systems | Agricultural water transportation |
| Fire Protection Networks | Underground fire water supply |
| Industrial Facilities | Process water pipelines |
| Infrastructure Projects | Regional water transmission |
Materials & Standards Compliance
| Component | Material |
|---|---|
| Pipe Body | Ductile Iron EN-GJS-500-7 |
| Internal Lining | Portland Cement Mortar / Epoxy |
| External Coating | Zinc + Bitumen / Epoxy |
| Gasket | EPDM / NBR Rubber |
| Joint Ring | Ductile Iron |
Dimensions & Weight Table
| DN | Outside Diameter (mm) | Wall Thickness (K9) | Standard Length | Approx. Weight |
|---|---|---|---|---|
| DN80 | 98 | According to ISO2531 | 6 m | Available |
| DN100 | 118 | According to ISO2531 | 6 m | Available |
| DN150 | 170 | According to ISO2531 | 6 m | Available |
| DN200 | 222 | According to ISO2531 | 6 m | Available |
| DN300 | 326 | According to ISO2531 | 6 m | Available |
| DN400–DN2600 | Customized | According to Standard | 6 m | Available |
Accessories & Optional Configurations
To meet various project requirements, we provide a complete range of pipeline accessories and optional configurations:
Standard Accessories
Ductile Iron Pipe Fittings
Rubber Gaskets
Flange Adaptors
Couplings
Mechanical Joint Components
Bolts & Nuts
Optional Configurations
Blue Epoxy Coating
Zinc-Aluminum Coating
Polyurethane (PU) Lining
Special External Coatings
Customized Pipe Marking
Export Wooden Cases
OEM Packaging
Customized Lengths
Our engineering team can recommend suitable configurations based on your project conditions and local standards.
Performance Testing & Quality Assurance
Every K9 DI Pipe undergoes comprehensive inspection before shipment to ensure consistent quality and compliance with international standards.
Factory Quality Control
Raw Material Chemical Analysis
Mechanical Property Testing
Pipe Wall Thickness Inspection
Dimensional Measurement
Internal & External Surface Inspection
Coating Thickness Measurement
Pressure & Performance Tests
Hydrostatic Pressure Test
Leakage Test
Joint Performance Test
Visual Inspection
Coating Adhesion Test
Inspection Documents
Available upon request:
Mill Test Certificate (MTC)
Material Certificate
Hydrostatic Test Report
Third-Party Inspection Report (SGS, BV, TUV, Intertek, etc.)
Certificate of Conformity
Factory witness inspection is welcome before shipment.
