All Load Class C: EN 1433 - 56,200 LBS., 250kN, 1160 PSI Home » Products » Trench Drains » Trench Drain Grates » 12" Width Grates » Load Class C: EN 1433 - 56,200 LBS., 250kN, 1160 PSI T300-PGC-13-GM Galv. Mesh Grate T300-PGC-3-SM Stainless Steel Mesh Grate T300-PGC-4 Ductile Iron Slotted Grate T300-PGC-4-HP Ductile Iron Heelproof Grate T300-PGC-4-WVY Ductile Iron Wave Grate