Product Overview
The LWSC8001 700-D-46KG Ductile Iron Manhole Cover is engineered for high-durability municipal, commercial, and industrial drainage systems. Manufactured from high-grade Ductile Iron ISO 1083 / JS 500-7, this cover is built to withstand heavy traffic under the EN 124 D400 loading standard (up to 400 kN / 40 tonnes). Finished with a heavy-duty black bitumen coating, it delivers superior resistance against corrosion, moisture, and road salts, ensuring extended service life in demanding environments.
Technical Specifications
| Product Model | LWSC8001 (700-D-46KG) |
| Loading Class | EN 124 Class D400 (Tested up to 400 kN) |
| Material / Grade | Ductile Iron (ISO 1083 / JS/500-7 / EN-GJS-500-7) |
| Nominal Weight | Approx. 46 kg (Cover & Frame assembly) |
| Clear Opening / Diameter | 700 mm |
| Surface Treatment | Anti-corrosion Black Bitumen Coating / Paint |
| Shape & Pattern | Circular, Anti-slip checker tread design |
Key Features & Benefits
Superior Strength-to-Weight Ratio: Manufactured using ductile iron 500-7, offering higher tensile strength and impact resistance compared to traditional grey cast iron while maintaining a lighter 46kg profile.
Heavy Traffic Rated (D400): Suitable for main carriage roadways, hard shoulders, and industrial areas with frequent vehicular traffic.
Anti-Slip Safety Tread: Specially cast textured pattern ensures maximum grip and vehicle traction in wet or icy conditions.
Corrosion Protection: Dipped in black bituminous paint to prevent oxidation and extend underground maintenance cycles.
OEM & Customization Available: Custom markings, badges, lockable designs, and gasket options available upon request for bulk municipal projects.
Typical Applications
Main roads, highways, and carriageways
Commercial parking lots and logistics distribution centers
Municipal drainage, sewer networks, and stormwater chambers
Underground utilities (telecom, gas, and power cable inspection vaults)
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