ULMA 661 slotted ductile iron grate is measured at 277mm x 498mm and follows Load Class D400, EN1433 standard rating. This Non-slip slotted grate is made with 45° grooves and ridges to help direct water and includes a boltless Rapidlock system often found in the MultiV+200 trench drain systems. It is suitable for a variety of applications including parking lots, commercial, or pedestrian traffic areas.
Actual Dimensions: 8.94″ [227 mm] x 19.60″ [498 mm] x .79″ [20 mm]
Water Flow Area: 920 cm²/lm