300x500x30mm ductile iron drainage manhole cover

The 300x500x30mm Ductile Iron Drainage Manhole Cover for Urban Infrastructure is a robust, high-load component designed to serve municipal and urban drainage systems, including drainage ditches, sewers, and power utility access points. Manufactured by Anhui Xinwanfang Machinery Technology Co Ltd from durable ductile iron, this cover balances strength, corrosion resistance, and long-term performance to meet the demands of public infrastructure.   Constructed from ductile iron—a material known for its high tensile strength and impact resistance—this manhole cover can withstand heavy loads from pedestrian foot traffic, light vehicles, and urban equipment, making it suitable for installation in sidewalks, roadside drainage ditches, and residential area sewer access points. Its dimensions (300mm width, 500mm length, 30mm thickness) align with standard urban infrastructure specifications, ensuring compatibility with pre-cast drainage ditch openings.   The cover’s slotted design (visible in t…

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