400-24® Manhole Cover Storm Sewer

The standard 400-24® 24″ cast iron manhole cover is designed for the 400-24® and 380-24R® manhole rings, featuring storm sewer lettering. This durable stock item is H-20 traffic rated when paired with an H-20 rated ring and properly installed in reinforced concrete. Crafted from coated cast gray iron that meets ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, it ensures long-lasting performance and compliance. Proudly made in the USA, this manhole cover is a reliable choice for storm sewer infrastructure projects.

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