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Cast iron manhole covers are heavy-duty lids used to cover access points in roads, sidewalks, and other surfaces. Made from cast iron, these covers are designed to withstand heavy loads and resist corrosion, making them suitable for various environmental conditions. They are typically used in urban infrastructure to provide safe access to underground utilities such as sewers, drainage systems, and electrical conduits.
| Material | Cast iron |
| Standard sizes | 600 mm to 1000 mm diameter |
| Load rating | Class A to Class D (up to 40 tons) |
| Finish | Smooth or textured surface |
| Weight | 50 kg to 150 kg |
When selecting cast iron manhole covers, consider the load rating required for the specific application, as this will dictate the cover's durability and safety. It's also important to specify the size and shape needed for the installation site. Certifications may vary by region, so check local regulations. Quantities can affect pricing, so inquire about bulk discounts if purchasing large numbers.
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Cast iron manhole covers can last several decades, often exceeding 30 years with proper maintenance.
Yes, cast iron has good corrosion resistance, especially when properly coated.
Yes, custom sizes can be manufactured, but minimum order quantities may apply.
Load ratings indicate the maximum weight the cover can support without failure, with higher classes suitable for heavier traffic.
Measure the existing frame and consult with suppliers to match dimensions and load ratings.
Yes, manhole covers often need to meet local safety and load standards, which can vary by region.