Ductile Iron Pipe (T-Type C-Grade Socket)
Product Overview
Our Ductile Iron Pipes (DIP) are high-performance pipes made from ductile cast iron, offering superior strength, toughness, and corrosion resistance compared to traditional gray iron pipes. The T-Type C-Grade Socket design combines durable material with flexible socket connections, making it ideal for municipal water supply, wastewater systems, industrial fluid transport, and fire-fighting applications.
Key Features & Advantages
1. High Strength & Durability
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Made from ductile iron with spheroidal graphite, providing high tensile strength and excellent load-bearing capacity.
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Withstands both internal pressure and external loads reliably.
2. Excellent Toughness & Impact Resistance
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The unique graphite structure allows slight deformation under impact or ground movement, preventing brittle fracture.
3. Superior Corrosion Resistance
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Internal lining: Cement-mortar lining reduces corrosion and scaling.
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External coating: Zinc coating, epoxy, or polyethylene layer protects against soil corrosion.
4. Flexible Connection
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Socket (bell-and-spigot) design with rubber gasket ensures simple, reliable, and leak-proof joints.
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Accommodates slight misalignment and axial movement, facilitating faster installation and maintenance.
5. Long Service Life
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Designed to last 50–100 years under normal operating conditions.
6. Cost-Effective
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Faster installation reduces labor costs.
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Durable materials lower maintenance and replacement costs over the pipe’s lifecycle.
7. Environmentally Friendly
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Made from recyclable materials.
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Can be reused or remelted at the end of its lifecycle.
Typical Applications
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Municipal Water Supply: High-pressure water distribution networks.
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Wastewater & Sewage Systems: Industrial and municipal drainage pipelines.
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Firefighting Systems: Reliable high-pressure water supply for fire protection.
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Industrial Fluid Transport: Chemical and plant water pipelines.
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Irrigation & Agriculture: Large-diameter pipelines for irrigation and drainage.
Technical Specifications (Example for T-Type C-Grade Socket)
| Parameter | Specification (Typical) |
|---|---|
| Material | Ductile Cast Iron |
| Grade | C-Grade (EN545 / EN598 Standard) |
| Joint Type | Socket (Bell-and-Spigot) |
| Internal Lining | Cement-Mortar Lining |
| External Coating | Zinc / Epoxy / Polyethylene |
| Nominal Pressure | PN10, PN16, PN25 (typical) |
| Design Life | 50–100 years |
⚠️ Note: Technical specifications may vary depending on project requirements. Please contact us for detailed datasheets.
Compatible Accessories
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Tees, elbows, flanges, reducers, and other fittings designed to match T-Type C-Grade Socket pipes.
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All accessories ensure leak-proof connections and maintain system reliability.
Installation & Maintenance Tips
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Pre-Installation: Check pipe dimensions, clean socket and gasket, prepare proper trench support.
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During Installation: Use appropriate lifting tools, avoid excessive bending or twisting, ensure proper gasket compression.
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Corrosion Protection: Use polyethylene sleeves or additional coatings in corrosive soil environments.
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Operation & Maintenance: Regularly inspect coatings, clean internal lining if sediment accumulates, perform pressure tests for critical pipelines.
Why Choose Our Ductile Iron Pipes
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High Strength & Toughness: Withstand pressure and impact without cracking.
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Long Lifespan: Multi-layer corrosion protection ensures decades of service.
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Easy Installation: Socket connection with rubber gasket saves time and labor.
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Eco-Friendly: Recyclable materials reduce environmental impact.
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Cost-Efficient: Low maintenance and long service life reduce total lifecycle cost.
Contact us today to request a quote or technical support for your project!



