D400 Φ800 Airport manhole cover

D400 Φ800 mm Ductile Iron Manhole Cover with Frame This Φ800 mm D400 ductile iron manhole cover is engineered for heavy-duty use in high-traffic areas such as city roads, industrial zones, and logistic hubs. Manufactured from premium QT500-7 ductile iron and tested to meet EN 124 D400 standards, it offers outstanding load-bearing capacity (up to 40 tonnes), corrosion resistance, and long service life. Whether used for municipal drainage, utility networks, or infrastructure projects, this cover ensures safe access, minimal maintenance, and excellent surface stability under constant vehicle movement. Product Specifications Clear Opening Diameter 800 mm Material Ductile Iron (QT500-7) Load Class D400 (up to 40 tons) Surface Finish Black bitumen coating (standard) Structure Solid top, non-ventilated Optional Features Logo embossing, locking system, galvanized coating Brand HXW Model D400 Φ800 Selling units Ton Place of origin China      Contact Us For reliabl…