Ductile Iron Manhole Covers

Ductile iron manhole covers are high-strength closure elements that operate under heavy-traffic loads in wastewater and stormwater lines. The ductile-iron microstructure makes them tougher and more fracture-resistant than ordinary cast iron.

Application Areas

• High-traffic streets, intersections and junction-mouth chambers
• Highway drainage and urban infrastructure collectors
• Industrial and port-area heavy-load closures
• Stormwater grate and parcel manhole covers

Advantages

• High strength, heavy-traffic load class
• Ductile-iron structure — toughened metallurgy, long life
• Standard black corrosion-protective finish
• Standard sizes compatible with common chamber networks

Product Specifications