Nodular cast iron manhole cover is an upgraded version of ordinary cast iron manhole cover. Now, nodular cast iron manhole cover will be used on major highways, national highways and urban roads, which can be regarded as upgrading from cement manhole cover to cast iron manhole cover, and then upgrading from cast iron manhole cover to nodular cast iron manhole cover. It is an indispensable manhole cover equipment in municipal construction.

Nodular cast iron manhole covers are widely used in highway sewer outlets. The structure of nodular cast iron manhole covers is firm, stable and durable. In use, they can play a vital role in the daily maintenance of roads, sewers, optical fibers and other outlets.

Nodular cast iron cover plate has good safety and protection function. Pedestrians and vehicles don’t have to worry about safety when walking on it.

The product also has great load-bearing capacity. The tensile force and toughness of nodular cast iron cover plate are four times that of ordinary cast iron. It is close to the material of steel and is suitable for all kinds of roads.

The ductile iron cover plate adopts integrated connection during production, which will not be separated from the ground and will not shift.

When in use, the nodular cast iron cover plate is integrally connected with the well seat, which has a good anti-theft function, and will not affect the appearance in use. The sledgehammer will not break down and is completely anti-theft.

Moreover, his material price is low and widely used in the market to meet the market demand.

The reason why people like to use round nodular cast iron manhole covers is that nodular cast iron manhole covers are flexible and easy to make, whether square or round.

Its material is also very light, and it can also save a lot of costs in transportation, installation and other links. Therefore, on the whole, cast iron manhole cover has many advantages in design, cost, maintenance and price.

Cast iron manhole covers are essential for road administration. The cast iron manhole covers we often see should be round and square.

The reason why people like to use the round ball milled cast iron manhole cover is that the round manhole cover is not easy to tilt, which can better protect the safety of pedestrians and vehicles.

However, if a square is used, because the diagonal of the square is obviously longer than the length of each side, when such a well cover is rolled up, it is easy to fall into the well along the diagonal direction of the wellhead, resulting in potential safety hazards.

Nodular cast iron manhole cover is a kind of manhole cover that can be used for a long time. It is a more popular manhole cover at present. In the future, through the continuous R & D and technological innovation of the manufacturer, the nodular cast iron manhole cover will be upgraded in continuous renewal, serve the infrastructure construction of urban roads, and create higher value for our mankind.