Square frame ductile manhole cover D400

The Square frame ductile manhole cover D400 is a heavy-duty manhole cover designed for use in areas with heavy traffic loads, such as roads, highways, and parking lots. It has a load rating of D400, meaning it can withstand a maximum load of 40 tons. Here are some key product details of the Square frame ductile manhole cover D400: 1. Material: It is made from high-quality ductile iron, which provides excellent strength, durability, and resistance to corrosion. 2. Design: The manhole cover has a square frame design, which provides stability and prevents it from shifting or moving under heavy loads. It also has a recessed surface to prevent water pooling and improve safety. 3. Dimensions: The dimensions of the manhole cover vary depending on the specific model and manufacturer. However, it typically has a square shape with dimensions ranging from 600mm x 600mm to 1000mm x 1000mm. 4. Weight: The weight of the manhole cover also varies depending on the size and design. However, it g…