Heavy Duty Ductile Iron Manhole Cover – China OEM Supplier
• Shape: Round / Square / Custom
• Material: Ductile Iron (EN-GJS-500-7 / EN-GJS-600-3)
• Load Class: EN124 D400 / E600 / F900
• Surface Pattern: Anti-slip, Customized Logo Available
• Coating: Black Bitumen / Anti-corrosion Epoxy
• Locking Mechanism: Optional Stainless Steel
• Application: Highways, Airports, Ports, Heavy Traffic Zones
• Gasket: Neoprene or EPDM
• Standard: EN124:2015, ISO 9001 Certified
• OEM/ODM: Available
Product Description
Our Heavy Duty Ductile Iron Manhole Covers are engineered for maximum load-bearing performance, ideal for highways, ports, airports, and other areas subject to heavy traffic and extreme environmental conditions.
Manufactured from high-grade ductile iron (EN-GJS-500-7 / EN-GJS-600-3), these covers offer superior tensile strength, ductility, and resistance to corrosion, impact, and fatigue. Designed to meet EN124 D400 to F900 standards, they ensure long-term reliability and safety in the most demanding infrastructure settings.
With customizable surface patterns, locking systems, and logo casting, our manhole covers are tailored to meet project-specific needs. The high-precision mold technology and consistent quality control throughout the production process guarantee each product meets international performance and safety benchmarks.
OEM Capabilities
We have over 25 years of experience in designing and manufacturing ductile iron castings. Our factory supports full OEM & ODM solutions, from CAD modeling to mass production, allowing us to meet specialized project requirements across the globe.