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Ductile Iron Pipes Are Widely Used in Water Supply, Reclaimed Water, Sewage, High Strength, and Corrosion Resistance.1
Building Hardware, Construction Pipe Tube, Reclaimed Water, Sewage, High Strength, and Corrosion Resistance., Ductile Iron Pipe, Ductile Iron Pipe Price
Shanxi Chenhui Sinuoer Pipe Industry Co., Ltd
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Product Description DUCTILE IRON PIPE (DIP)Product DescriptionDuctile Iron Pipe (DIP) - High-Strength, Corrosion-Resistant Water Supply SolutionDuctile Iron Pipe for Water SupplyDuctile Iron Pipe for Sewer SystemsProduct OverviewDuctile Iron Pipe (DIP) is a high-strength, corrosion-resistant, and flexible water pipeline widely used in municipal water supply, hydraulic engineering, firefighting systems, and industrial water transportation. Manufactured from premium ductile iron with advanced casting technology and anti-corrosion treatment, it ensures long-term, stable performance even under high pressure and harsh environments.Key AdvantagesHigh Strength & Impact Resistance - Near-steel strength with excellent pressure and shock resistance, ideal for high-pressure water systems.Superior Corrosion Resistance - Features cement mortar lining + zinc layer + asphalt coating (or epoxy coating) for enhanced durability in corrosive soils and water.Flexible & Seismic-Resistant - Spheroidal graphite structure provides ductility, adapting to ground settlement and earthquakes while minimizing pipe bursts.Long Lifespan & Low Maintenance - Service life of 50-100 years, significantly reducing long-term costs.Eco-Friendly & Safe - Complies with ISO 2531, EN 545, GB/T 13295, and AWWA C151 standards; smooth inner surface ensures clean water delivery.Easy Installation - T/K-type push-on joints or flanged connections for quick, leak-proof assembly.Technical SpecificationsParameterSpecificationMaterialDuctile Iron (QT500-7, QT450-10)Diameter RangeDN80 - DN2600Working PressurePN10 - PN25 (customizable for higher pressures)StandardsISO 2531 / EN 545 / GB/T 13295 / AWWA C151Internal LiningCement Mortar or Epoxy CoatingExternal CoatingZinc + Bitumen or Polyurethane (PU) CoatingJoint TypesT/K-Type Socket, Flanged, Restrained (Lock-Joint)ApplicationsMunicipal Water Supply - Primary/secondary distribution networksIndustrial Water - Power plants, chemical facilities, miningFire Protection - High-pressure firefighting pipelinesHydraulic Projects - Reservoirs, water diversion, irrigationPower Industry - Cooling water, ash slurry transportMain ProductsAbout UsShanxi Chenhui Snowall Casting Group Co., Ltd. Shanxi Chenhui Snowall Casting Group Co., Ltd. is a large integrated corporation specializing in mining, ore processing, sintering, iron smelting, and casting. With a total investment of 2 billion RMB, the company operates three smelting furnaces, twenty centrifugal casting units, five annealing furnaces, and five automated finishing lines. Its annual production capacity exceeds 1 million tons, including:Ductile Iron Pipes: 500,000 tons (DN80mm-DN2600mm)Flexible Cast Iron Drainage Pipes: 200,000 tons (DN50mm-DN300mm)Ductile Iron Fittings: 200,000 tons (DN80mm-DN2600mm)Ductile Iron Manhole Covers: 100,000 tonsLocation & LogisticsStrategically located in southeastern Shanxi Province, the company serves as a vital gateway connecting Shanxi to Central China. It enjoys excellent transportation access:Adjacent to the Taiyuan-Jiaozuo Railway, linking major rail lines like Tongpu, Shitai, and Jingguang.Near the intersection of Jincheng-Jiaozuo, Taiyuan-Macao, and Jincheng-Houma Highways, with close proximity to National Highway 207. Only 3 km from the nearest railway station, enabling efficient distribution via rail, expressway, and road networks.Quality Assurance & Certifications The company has invested heavily in a state-of-the-art casting product testing center, equipped with:Metallographic, spectroscopic, physical, and high-temperature testing labs.Advanced Production & Anti-Corrosion Technology Zinc Coating: Adheres to ISO 8179, using 99.99% pure zinc wire for a 130g/m2 coating (100-year lifespan verified by national labs).Cement Lining: Complies with ISO 4179, using Portland cement 52.5, quartz sand, and water, cured via steam for 8 hours.External Coatings: Options include tar asphalt, epoxy asphalt, epoxy resin, or polyurethane (eco-friendly, double-layer anti-corrosion).Product Advantages Mechanical Properties: High impact resistance, pressure tolerance, corrosion resistance, elongation, and easy installation.Global Reach: Exported to 100+ countries (Middle East, Southeast Asia, South America), acclaimed for quality and after-sales service.Corporate Vision "Continuous improvement is our principle; customer satisfaction is our eternal pursuit." Committed to green manufacturing and low-carbon development, the company seeks global partnerships for mutual success.CertificationsAwards & Recognition"Shanxi Famous Brand Product" (Shanxi Brand Recommendation Committee)"AAA Quality Credit Enterprise" (Shanxi Bureau of Quality & Technical Supervision)"AAA Quality Integrity Unit" & "Consumer-Trusted Brand" (China Quality Integrity Promotion Association)"AAA China Quality Credit Enterprise" (China Quality Credit Certification Center)"Key Recommended Industry Leader in Zhejiang" (Zhejiang Industrial Economic Federation)Compliance with GB/T 13295-2019 and ISO 2531 standards.Certifications: ISO 9001 (Quality Management), ISO 14001 (Environmental Management), OHSAS 18001 (Occupational Health & Safety).Packaging & Shipping Packaging - Wooden/steel pallets with end caps for transport protection.Logistics - Ocean/land freight; worldwide export supported.FAQQ1:Why Choose Our DIP?A: Strict QC - Full-process inspection from raw materials to finished pipes.Advanced Production - Centrifugal casting ensures uniform wall thickness and strength.Custom Solutions - Tailored pressure ratings, coatings, and sizes available.Global Certifications - ISO 9001, CE, WRAS, NSF compliant; exported to Europe, Middle East, Southeast Asia, etc.Q2: What are the advantages vs. other pipe materials?A:High Strength: Tensile strength ≥420MPa (3×grey iron)Corrosion Resistance: Zn+bitumen/epoxy coating (50-100yr lifespan)Flexibility: Elongation ≥10% for ground movement adaptationEasy Installation: Push-on/T-type/K-type joints for efficiency Q3: How to select joint types? A:T-Type: High-pressure systems (PN10-PN25)K-Type: Seismic-prone areasFlanged: Valve/pump connectionsRestrained Joints: No thrust block required Q4: Do cracks in cement lining affect performance? A:Acceptable: ≤0.8mm per ISO 4179Self-healing: CaCO3 deposition seals cracks during water flow Q5: How to repair damaged external coating? A:Clean area (Sa2.5 blast)Apply epoxy coal-tar paint (1.2×original thickness)PU tape reinforcement (severe corrosion zones) Q6: Post-installation tests required? A:Leakage: 0.3MPa air test (15min stabilization)Alignment: Max. 3° deflection (DN≤600mm)Water Quality: 48hr immersion test per GB/T 17219 Contact us for quotes and technical support!
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