1200×1200 c/o x 150mm MHC&F D400 D/Tri Locked Hercules MCF
A heavy-duty Hercules D400 manhole cover with a 1,200 × 1,200mm clear opening and 150mm frame depth, designed for highways and major infrastructure. This 1200×1200 manhole cover provides stable, long-term access for large chambers under sustained heavy traffic loading.
£2,311.32 excl VAT £2,311.32
Description
Hercules D400 Manhole Cover 1200 × 1200 – DMT0D6/1212/4
The Hercules D400 Manhole Cover is engineered for applications where large chamber openings and sustained heavy traffic loading must be accommodated without compromising stability. With a clear opening of 1,200 × 1,200mm and a 150mm frame depth, this 1200×1200 manhole cover is designed to distribute high loads effectively into the surrounding structure, reducing stress on bedding and extending service life. Manufactured from ductile iron, the Hercules design incorporates enlarged corners, indexed alignment points, and integrated lifting features to support safe installation and long-term performance in demanding environments.
Specifications
| Product range | Hercules |
| Product type | Hercules D400 manhole cover |
| Primary material | Ductile iron |
| Load class | D400 |
| Clear opening | 1200 x 1200mm |
| Overall frame size | 1385 x 1385mm |
| Frame depth | 150mm |
| Standard | BS EN 124-2 |
| BS EN 124 group | Group 4 |
| Product code | DMT0D6/1212/4 |
Key design features
The frame incorporates enlarged corners to distribute loads into the surrounding bedding. Indexed corners assist with correct orientation during installation. Integrated lifting points allow controlled handling during inspection or maintenance access. The ductile iron construction supports durability under repeated traffic loading.
Benefits
- Large clear opening allows access to oversized service chambers.
- Ductile iron construction provides resistance to wear and impact.
- Frame design supports effective load transfer into the foundation.
- Integrated lifting features assist with safe maintenance access.
Applications
This Hercules D400 manhole cover is specified for highways, industrial sites, ports, and major infrastructure projects where large access chambers are required beneath trafficked surfaces. It is particularly suited to locations where fabricated steel covers are impractical, providing a more robust and lower-maintenance alternative for Group 4 environments with frequent heavy vehicle loading.
Explore the Range
Explore the wider Wrekin manhole covers to view additional sizes, load ratings, and access solutions.
Contact Us
For guidance on specifying the correct manhole cover for your site conditions, contact our team via our contact page.
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