D400 Customized Municipal Ductile Iron Manhole Cover

D400 Customized Municipal Ductile Iron Manhole Cover This D400-class municipal manhole cover is engineered for high-traffic urban environments, while supporting customized city markings, government logos, and utility identifiers. Designed for durability, safety, and civic identity, it offers both technical reliability and visual consistency with modern municipal infrastructure. Compliant with EN 124 D400 standards, it withstands loads up to 40 tonnes, making it ideal for main roads, public facilities, and utility access points frequently exposed to heavy vehicles. Product Specifications Shape Round / Square / Rectangular Clear Opening 600–800 mm (custom sizes available) Customization City name, utility name (Water / Sewer / Drainage), emblem Brand HXW Selling units Ton   Contact Us At Chongzhou Hongxinwei Metal Manufacturing Co., Ltd., we help cities strengthen their infrastructure while displaying their identity.  Send us your municipal logo, utility label, or proje…

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