Trench Cover

Trench is open conduits in the substrate. To prevent tripping people or catching debris, they must be covered with grates. Given the variety of places that these drains may be installed, designers have a lot of choice when picking trench grates material.Ductile iron and cast iron grates are very similar. Selecting between the two depends upon the application and drainage system needed. Ductile iron contains graphite that increases flexibility to withstand extreme cold and not break compared to cast iron. Ductitle iron trench grate is much stable and high strength compared with other materials.