Product Overview
This 600×600 SMC composite square manhole cover complies with EN124 standards. Its reinforced fiberglass composite construction provides excellent durability, corrosion resistance, and no recycling value. The design supports a wide range of load classes, making it suitable for pedestrian areas and vehicle traffic zones.
Product Drawing

Key Features
- Fiberglass reinforced SMC material – provides corrosion resistance, long-term durability, and no recycling value
- Slip-resistant surface – textured surface improves grip under wet or slippery conditions
- Lightweight construction – simplifies handling, transportation, and installation compared with traditional cast iron covers
- Suitable for multiple load classes – available in A15, B125, C250, and D400
Specifications & Dimensions
| Load Class | Clear Opening | Cover Size | Frame Size | Overall Height | Cover Thickness | Weight |
|---|---|---|---|---|---|---|
| A15 | 600x600mm | 650x650mm | 750x750mm | 35mm | 25mm | 15kg |
| B125 | 600x600mm | 650x650mm | 750x750mm | 35mm | 25mm | 26kg |
| C250 | 600x600mm | 655x655mm | 770x770mm | 75mm | 50mm | 45kg |
| D400 | 600x600mm | 655x655mm | 770x770mm | 100mm | 55mm | 65kg |
Technical Specifications:
- Material: SMC Composite
- Clear Opening: 600 × 600 mm
- Load Class: A15 / B125 / C250 / D400
- Standard: EN124
- Shape: Square
- Locking System: Two Screw Locks
Applications
A15:
- Parks and green spaces
- Pedestrian walkways
- Bicycle paths
B125:
- Residential sidewalks
- Light pedestrian traffic areas
- Small parking zones
C250:
- Kerbside installations
- Residential streets
- Light vehicle access areas
D400:
- Urban roads
- Commercial parking lots
- Vehicle traffic lanes
- Municipal road infrastructure
FAQ
What is the maximum load class for 600x600mm?
The 600x600mm SMC manhole cover is available up to D400, suitable for urban roads and commercial parking lots.
Can you provide OEM / ODM service?
Yes. OEM and ODM services are available. Custom logo, color, surface pattern, and dimensions can be produced according to project requirements.
What is your delivery time?
Normally, the production lead time is about 15–25 days depending on order quantity and product specifications.
What is the MOQ?
MOQ depends on the product size and specifications. Please contact us for detailed information.
What packaging method do you use?
The products are normally packed on export pallets for safer transportation and easier loading and unloading.
Do you provide warranty and after-sales service?
Yes. We provide one-year warranty service and technical support for our products. Please contact us for detailed after-sales information and project assistance.













