Square & Rectangular Grates

US Foundry square and rectangular cast iron grates sold individually, in catalog styles 51 through 58 with ADA, sinusoidal, concave, beehive and vane variants. Listings cover sizes from 11-3/4" square up to 40" x 78-1/2" ditch bottom inlet grate sets, with slot size, flow area, seat height and 4-sided / 2-sided load ratings taken from the US Foundry catalog. Quote-only — request pricing and availability.