Ductile iron sewage gratings are very strong and resilient. Ductile iron, also known as cast iron, is used because it has great strength. This material then lends itself to a long-life span for installation in roads, highways, airports, car parks and other heavy duty industrial areas.Sewage grating is an important part of the urban drainage system...
Ductile iron sewage gratings are very strong and resilient. Ductile iron, also known as cast iron, is used because it has great strength. This material then lends itself to a long-life span for installation in roads, highways, airports, car parks and other heavy duty industrial areas.Sewage grating is an important part of the urban drainage system...
