Ductile iron manhole cover C250 Openong550 

The product details of a ductile iron manhole cover with a C250 load rating and an opening size of 550mm are as follows: - Material: Ductile iron (also known as nodular cast iron or spheroidal graphite iron), which offers superior strength and durability compared to traditional cast iron. - Load Rating: C250, which means it is designed to withstand a maximum load of 25 tons, making it suitable for use in areas with medium traffic such as pedestrian zones, parking lots, and residential streets. - Opening Size: 550mm, which refers to the diameter or dimensions of the circular opening of the manhole cover. This size is commonly used for smaller manholes found in urban areas or residential developments. - Design: The manhole cover may feature a solid design or have various patterns or textures on the top surface for added traction and to prevent slipping. It may also have a raised lip or flange around the perimeter to provide a secure fit and prevent unauthorized access. -…