D400 Round Ductile Iron Manhole Cover & Frame for Rainwater Sewage (700x800)

This robust manhole cover and frame set is designed for rainwater and sewage systems. Crafted from ductile iron, it offers exceptional strength and durability, ensuring long-lasting performance under varying environmental conditions. The round cover is suitable for a 700x800 mm opening and is engineered to withstand heavy loads, complying with D400 loading standards. Its secure fit and non-slip surface provide added safety and reliability, making it ideal for both urban and industrial settings. Scope of application: city main roads, highways, airports, docks, hospitals, schools, squares, sidewalks, green belts Manufacture country: China Instructions included: No