Common cast iron manhole cover specifications and models are as follows:
1, Φ400mm round manhole cover, bearing 5 tons, frame height 70mm, cover thickness 40mm.
2, Φ500mm round manhole cover, bearing 10 tons, frame height 70mm, cover thickness 40mm.
3, Φ600mm round manhole cover, bearing 15 tons, frame height 70mm, cover thickness 40mm.
4, Φ700mm round manhole cover, bearing 20 tons, frame height 70mm, cover thickness 40mm.
5, Φ800mm round manhole cover, bearing 25 tons, frame height 70mm, cover thickness 40mm.
6, Φ900mm round manhole cover, bearing 30 tons, frame height 70mm, cover thickness 40mm.
7, Φ1000mm round manhole cover, bearing 40 tons, frame height 70mm, cover thickness 40mm.
Hebei Mingda International Trading Company is a trading company which is specialized in castings, ODM Ductile Iron Manhole Cover forgings and machinery parts.Our products include all kinds of raw castings to be made of ductile iron , grey iron , brass , stainless steel and aluminums, machined castings and forged parts .ODM Ductile Iron Covers To make these parts according to the customers’Custom Iron Casting drawings , we have relative suitable production craft and equipments, such as resin sand , sand mould , hot core boxes , lost-wax , lost –foam and so on Iron Casting Manufacturer Custom.Specially for hydrant bodies and valves’Ductile Iron Manhole Cover Manufacturer bodies, we have collected rich experience for these products in the past 16 year’s actual production, Now we are proud of our products with good surface and high quality material. Iron Casting ManufacturerWhatever,we have been trying our best to provide our customers with better quality castings by improving production crafts and more careful quality control.Cast Iron Castings Manufacturer