- For use in a Group 4 Class D400 carriageway environment
- All fully comply with BS EN 124:1994
- A patented safety keyway prevents accidental disengagement during the lifting operation. Also compatible with standard D400 lifting keys.
- Three point suspension on covers for non-rock stability
- Manufactured from strong and highly durable ductile iron
- Patented frame design with enlarged frame corners that help dissipate load
600mm x 600mm x 100mm Deep Double Tri D400 Manhole Cover
