| Customization: | Available |
|---|---|
| After-sales Service: | Headquarter Takes Charge |
| Warranty: | Headquarter Takes Charge |
|
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Product Name |
Ductile Cast Iron Round Frame and Round Opening Manhole Cover |
Material |
Ductile Iron /Gray Iron |
Tolerance |
±0.1mm |
Surface Finish |
Polishing/Painting/Powder Coating/Sand Blasting |
Certifacation |
ISO9001 |
Quatity Control |
100% Inspection |
Service |
OEM/ODM |
Application |
Residential District/Sidewalks/Urban Road |
| The first group (A15 grade, loading capacity of 1.5 tons) |
green belts and other areas where motor vehicles or non-motor vehicles are completely prohibited from entering |
| The second group (B125 grade, loading capacity of 12.5 tons) |
sidewalks, pedestrian areas, non-motorized lanes, small car parking lots |
| The third group (C250 grade, bears a pressure of 25 tons) |
areas within 0.5m of the curb for motor vehicles or within 0.2m of non-motorized roads for curbs, as well as residential quarters and interiors Streets and other areas where only a small number of light motor vehicles or cars travel |
| The fourth group (D400 grade, bearing pressure of 40 tons) |
suitable for urban motor vehicle roads, highways, high-grade highways, expressways and large car parking areas where various types of vehicles pass |
| The fifth group (E600 grade, bearing pressure of 60 tons) |
freight station, logistics area, wharf and so on. The sixth group (F900 grade, with a pressure of 90 tons): suitable for the airport area. |
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