EN124 D400 Heavy Duty Ductile Iron Round Manhole Cover with Frame

This heavy-duty round manhole cover is manufactured from premium Ductile Iron GGG50, strictly complying with the international EN 124-2:2015 standard. Engineered with a D400 load class to withstand up to 40 tons, it features a round design with an integrated anti-theft hinge and an anti-settlement frame. Finished with a durable black bituminous or epoxy coating, it integrates anti-slip, anti-shock, and noise-reduction properties, making it ideal for high-traffic municipal roads and drainage netw

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Heavy-Duty Municipal Strength

Engineered for intense urban traffic conditions, this ductile iron manhole cover delivers exceptional structural integrity and pressure resistance. As seen in 7f00ef98-1b52-4f2d-9d32-132f051300cb.jpg, the surface is densely packed with raised circular anti-slip studs to ensure reliable traction for vehicles and pedestrians alike, effectively mitigating slipping hazards in rainy or freezing weather conditions.

Secure Flanged Frame & Stable Fit

The robust outer frame features extended flanged ears with integrated anchoring holes, allowing for rock-solid bolt-down installation into the road bedding. This stable structural design prevents the frame from shifting, minimizes pavement cracking around the edges, and ensures the cover remains seated silently without rattling or flipping when crossed by heavy vehicles.

Optimized Maintenance Design

Designed with a integrated single-lifting hole, this manhole cover allows utility crews to quickly insert standard lifting keys for efficient opening and safe maintenance access. The tight, precision-machined fit between the lid and the frame acts as an excellent seal against foul odors, while simultaneously preventing dirt, stones, and debris from falling into the underground utility shafts.

Factory Direct OEM & Customization

Utilizing state-of-the-art automatic casting lines, we guarantee uniform wall thickness and precise dimensions. We offer full OEM customization, including custom logo embossing, specific utility markings (such as WATER, SEWER, TELECOM), and customized diameter dimensions to seamlessly fit the unique requirements of your regional infrastructure projects.

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