300-24®P Watertight Manhole Ring and Cover Sewer

The standard 300-24®P 24″ cast iron bottom-flanged watertight manhole ring and cover is the ideal solution for sewer applications, combining durability and reliability. This stock item features sewer lettering, a secure gasket, and four stainless steel bolts for a watertight seal. H-20 traffic rated when properly installed in reinforced concrete, it ensures dependable performance in heavy-duty environments. Crafted from coated cast gray iron and meeting ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, it delivers superior quality and compliance. Custom lettering and logos are available for special orders. Proudly made in the USA, this manhole ring and cover is the trusted choice for infrastructure projects demanding American-made excellence.

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