Description
Main description:
500 circular composite manhole cover to support customized EN124 B125-D400 classes of bearing; Wide application area; Applied to various regional roads;
Product advantages:
Two special lifting screws for easy operation.
Screw locking system.
Two positioning slots prevent the lid from sliding.
Support customization.
Shock absorption.
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| Optional Load Class | LOAD | B125(12.5t | C250(25t | D400（40t |
| Performance Parameter | D | 500 | 500 | 500 |
| O | 450 | 450 | 450 | |
| h | 40 | 50 | 50 | |
| H | 65 | 75 | 100 | |
| Product Advantage | Advantage | Through-hole | Through-hole | Through-hole |
Unit: mm
Bearing range
| Group | Grade Load | Bearing/Ton | Product Application Area |
| 1 | A15 | 1.5 | Areas that can only be used by pedestrians and cyclists. |
| 2 | B125 | 12.5 | Walking trails, pedestrian areas and similar parks or car parks. |
| 3 | C250 | 25 | For installation in gullies in roadside areas. |
| 4 | D400 | 40 | Road vehicles (including pedestrian streets), hard shoulder and parking, suitable for all types of road vehicles. |
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