VRM-36 Reversible Manhole Ring
The standard VRM-36 36″ cast iron reversible manhole ring is a versatile and durable solution for infrastructure projects, designed to be used as either top or bottom flanged. This stock item is H-20 traffic rated when properly installed in reinforced concrete and paired with an H-20 rated cover or grate, ensuring reliable performance in heavy-duty applications. Crafted from uncoated cast gray iron and meeting ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, it delivers exceptional quality and compliance. Proudly made in the USA, this manhole ring is the trusted choice for projects demanding American-made excellence.
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