Product Overview
The 900×900 square SMC manhole cover is designed for fuel stations, underground fuel tank systems, and heavy-duty infrastructure applications.
Manufactured from high-strength SMC composite material, the cover provides excellent load-bearing performance, corrosion resistance, anti-static properties, and long-term durability for demanding outdoor environments.
The waterproof sealing structure is designed to help prevent leakage and water ingress in underground fuel system areas.
Available in EN124 C250 and D400 load classes.

Key Features
- EN124 C250 & D400 load rating
- Suitable for fuel station applications
- Waterproof sealing structure
- High-strength SMC composite material
- Anti-static and flame-retardant
- Corrosion and chemical resistant
- Non-metal anti-theft design
- Suitable for heavy traffic environments
Specifications & Dimensions
| Load Class | Clear Opening(mm) | Cover Size(mm) | Frame Size(mm) | Height(mm) | Weight(kg) |
|---|---|---|---|---|---|
| C250 | 900×900 | 980×980 | 1100×1100 | 100 | 92 |
| D400 | 900×900 | 980×980 | 1100×1100 | 100 | 95 |
Applications
- Fuel stations
- Underground fuel tank systems
- Heavy traffic areas
- Municipal infrastructure projects
- Utility access systems
FAQ
Can you provide OEM / ODM service?
Yes. OEM and ODM service 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.
Does the cover have waterproof sealing structure?
Yes. The cover is equipped with a sealing structure designed to help prevent leakage and water ingress.
Is this product suitable for heavy traffic areas?
Yes. The D400 version is suitable for heavy-duty traffic environments according to EN124 standards.
Is the material resistant to fuel and chemicals?
Yes. SMC composite material provides excellent corrosion and chemical resistance for underground fuel system applications.
Does the product include the frame?
Yes. The product includes both the manhole cover and frame.















