NDS - 1813 - 18" Catch Basin Grate, Cast Iron, Black

18'' Square Heavy-Duty Ductile Iron Grate. Square Grate Use With: 18" Catch Basins Material: Heavy Duty Ductile Iron Color: Black Style: Flat Notes: Painted for shipping & display only.; grate will form iron-oxide patina. Cast iron grates will oxidize over time and rust, forming an iron-oxide patina. The iron-oxide layer begins red-orange in color and ages to a deep, rich brown. This patina is tightly adhered and protects the iron beneath it from further oxidation. Iron grates with a rust patina are structurally sound and will last for decades. Specifications Length: 16.88 in. Width: 16.88 in. Height: 1 in. Weight: 46 lbs ADA: Yes Load Rating: Class C Loads of 176-325 psi. Recommended for heavy-duty pneumatic tire forklifts and tractor-trailers at speeds less than 20 m.p.h., H-20 rated. Capacity: 338.65 GPM Grate Opening: 1'' Downloads 18'' Cast Iron Grate Spec Sheet Catch Basins Brochure