Ductile Iron D400 Manhole Cover Frame | Heavy Load EN124 Compliant Sewer Solution

1.The paramount highlight of our ductile iron manhole cover lies in their unparalleled durability and safety. Crafted from advanced ductile iron and precision casting techniques, the d400 manhole cover exhibit exceptional compressive strength and toughness, enduring heavy traffic in extreme conditions while preventing breakage or collapse, ensuring pedestrian and vehicular safety. 2.All manhole cover frame support customization.