Ruisong Build provides premium Centrifugal Cast Ductile Iron Pipes (DIP) designed for the most demanding water supply and wastewater infrastructure projects. Compliant with ISO 2531, EN 545, and EN 598 standards, our pipes offer exceptional tensile strength, superior corrosion resistance, and a service life exceeding 100 years. Featuring internal cement lining and external bitumen coating, they are the global standard for reliable underground piping.
描述
High-Strength Ductile Iron Piping Solutions for Global Infrastructure
Ductile Iron Pipe (DIP) is renowned for its high strength-to-weight ratio and ability to withstand high internal pressure and heavy external soil loads. Unlike traditional gray iron, ductile iron incorporates nodular graphite, which provides significant ductility and impact resistance, making it virtually indestructible during transportation and installation.
Advanced Engineering & Protection Features
Exceptional Mechanical Properties
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Our centrifugal cast pipes offer a minimum tensile strength of 420 MPa and a minimum elongation of 10%, ensuring they can handle ground movement and high-pressure surges without cracking.
Superior Internal & External Coatings
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To ensure potable water safety and prevent internal corrosion, we apply a high-quality Portland cement mortar lining. Externally, the pipes are protected by a metallic zinc coating followed by a finishing layer of bitumen or epoxy, conforming to ISO 8179.
Flexible Push-on Joints (T-Type)
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The standardized T-type (Tyton) joint design allows for fast and easy installation. These flexible joints permit a certain degree of angular deflection, accommodating slight changes in terrain or pipeline direction without requiring additional fittings.
技术规格 & Compliance
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Standard: 国际标准化组织 2531, EN 545 (Potable Water), EN 598 (Sewage).
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Diameter Range: DN80mm – DN2600mm.
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Pressure Class: K7, K8, K9, Class C25, C30, C40.
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Length: Standard 6.0 meters or 5.7 meters (for container loading).
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Internal Lining: Cement mortar (国际标准化组织 4179) or High-alumina cement.
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External Coating: Zinc + Bitumen / Epoxy (国际标准化组织 8179).
Wide Range of Applications
Our ductile iron piping systems are the preferred choice for:
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Municipal Water Supply: High-pressure potable water transmission.
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Wastewater & Sewerage: Reliable gravity and pressure sewage mains.
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Fire Protection: High-security fire hydrants and sprinkler lines.
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Irrigation Systems: Efficient large-scale agricultural water distribution.
Large-Scale Inventory & Global Supply Capacity
As demonstrated by our extensive stockyard (pictured above), Ruisong Build maintains a massive inventory of standard size ductile iron pipes. This allow us to provide rapid turnaround times for urgent infrastructure repairs and large-scale government tenders. We ensure rigorous quality control at every step, from raw material smelting to final hydrostatic testing.
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