VRM 18 Reversible Manhole Ring

The VRM 18 standard 18″ diameter cast iron manhole ring is a versatile and durable stock item, designed for flexibility as it can be used as either top or bottom flanged. H-20 traffic rated when properly installed in reinforced concrete and paired with an H-20 rated cover or grate, this ring ensures reliable performance under heavy traffic conditions. Crafted from high-quality uncoated cast gray iron (ASTM A48 CL35B or better, AASHTO M306-10 (M105)), it delivers exceptional strength and longevity. Proudly made in the USA, the VRM 18 manhole ring is a trusted choice for quality, durability, and versatility in infrastructure applications.

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