500mm
600mm
700mm
The cover surface is engraved with the "Chang’an Brand" logo, the character "检" (indicating inspection facility usage), and the manufacturer’s contact email (jschangan111@gmail.com). It has been widely used in scenarios such as residential branch road inspection wells and small municipal pipe networks, serving as one of the cost-effective alternatives to traditional cast-iron inspection manhole covers.
This 500mm round SMC manhole cover adopts integral high‑temperature compression‑molded structure. Made of SMC sheet molding compound. Load class can be customized from A15 to C250. Suitable for sidewalks, residential zones, green belts and light‑vehicle passages. Optional anti‑theft lock, surface pattern and color are available for different project demands.
500mm round SMC manhole cover：
| Load Class | Test Load (kN) | Weight | Application Scenarios |
|---|---|---|---|
| B125 | 125 | 23 kg | Municipal walkways, residential sidewalks and green belts, telecommunication & weak‑current inspection wells, parks and non‑motor‑vehicle areas |
| C250 | 250 | 29 kg | Residential internal roads and driveways, light‑duty car parking lots, areas within 0.5 m of kerbs, light vehicle passing zones |
600mm round SMC manhole cover：
| Load Class | Test Load (kN) | Weight | Application Scenarios |
|---|---|---|---|
| B125 | 125 | 34 kg | Municipal sidewalk inspection wells, residential community utility wells, green‑belt manholes, park and campus inspection wells; for pedestrian and non‑motor‑vehicle traffic only |
| C250 | 250 | 41.5 kg | Medium‑size inspection wells inside residential driveways, light‑duty parking lots, areas within 0.5 m of kerb; for occasional light‑vehicle passage only |
700mm round SMC manhole cover：
| Load Class | Test Load (kN) | Weight | Application Scenarios |
|---|---|---|---|
| B125 | 125 | 41 kg | Municipal medium‑large inspection wells, residential main utility wells, green‑belt man‑entry wells, campus and park inspection chambers; for pedestrian and non‑motor‑vehicle traffic only |
| C250 | 250 | 63.5kg | Large‑dimension manholes inside residential estates, light‑duty parking lots, zones within 0.5 m of kerb edge; only for occasional light‑vehicle passage |
With over 10 years of experience in composite manhole cover production, its inspection cover products have passed relevant certifications for small municipal facility materials;
Supports customization of "brand + usage marking + contact email" to meet the differentiated needs of small pipe network projects;
Door-to-door delivery is available for bulk orders, and basic installation guidance can be provided for small projects.
