All Load Class E: EN 1433 - 134,800 LBS., 600kN, 2785 PSI Home » Products » Trench Drains » Trench Drain Grates » 12" Width Grates » Load Class E: EN 1433 - 134,800 LBS., 600kN, 2785 PSI T300-SCE-4 Ductile Iron Solid Cover Grate T300-PGE-3-SBG Stainless Steel Bar Grate T300-PGE-4 Ductile Iron Slotted Grate T300-PGE-4-13 Galv. Ductile Iron Slotted Grate T300-PGE-4-ADA Ductile Iron Longitudinal Grate T300-PGE-4-ADA-13 Galv. Ductile Iron Longitudinal Grate T300-PGE-4-HP Ductile Iron Heelproof Grate