Diameter is 900 mm, loading class is EN124 D400, designed for petrol station with double sealing rings including a sealed central cover on the main cover.
Clear Opening: 600*600mm
Height: 100mm
Watertight: sealing ring
Lifting Holes: aluminum alloy
Application: petrol station
Weight: lightweight design
Surface: anti-slip design
Large size square manhole cover, clear opening is 90x90cm, load class is EN124 D400, watertight and light weighted.
ROUND MANHOLE COVERHome SMC Manhole Cover Round Manhole Cover 720mm D400 Composite Manhole Cover
D400 Manhole Cover
720mm D400 Composite Manhole Cover
1. High load capacity, compliant with EN124-5, D400 grade.
2. Lightweight design that overcomes technical challenges—only 66 kg can achieve D400 grade, making daily maintenance and worker installation easier.
3. Corrosion-resistant, not easily damaged, with a service life of over 25 years.