Round Catch Basin Rings & Grates

US Foundry round cast iron catch basin rings and grates: each listing pairs a grey iron ring (ASTM A48 Class 35B) with a matching round grate, or offers a ring with a choice of listed grates. Clear openings run from 8-1/2" to 35-1/4", in light, medium and heavy duty ratings, with beehive, ADA and mud-ring options where the catalog lists them. All items are quote-only — request pricing and availability for your project.