VRM-30® 30″ diameter round ring and grate. Stock item. Reversible ring may be used as top or bottom flanged. Sold as a set or as individual rings or grates. H-20 traffic rated when properly installed in reinforced concrete. Uncoated cast gray iron ring, ASTM A48 CL35B or better, AASHTO M306-10 (M105) and cast ductile iron grate, ASTM A536. Use uncoated iron to drain into creeks, rivers & waterways. Open areas listed in grate descriptions (flow data must be calculated) Solid covers are available. Made in USA. LEED® certifications available on request. Please use the contact form or call us to request info & submittal sheets.

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