760mm heavy duty manhole cover with frame en124 d400

Advantages:

1. High load capacity & resilience, strictly apply to en 124 standard.

2. Designed structure & pressure dispersion, arc-shape bottom shares good dispersion of pressure.

3. Consequences of temporarily overloading is no breaking.

4. Safety options, no recycle value.

5. Light weight compared with casting iron.

6. Long service life, more than 30 years

7. Customer design

8. No color fading after years of weathering.

9. No noise when vehicle passing.