Details
| ITEM | Grating type | Bearing Bar Height | Bearing Bar Width | Open Area | Bearing Bar Space | Bearing Bar Center to Center | Weight (kg/sqm) | Details |
| 1 | T-1810 | 25.4mm | 38.1mm | 18% | 8mm | 46mm | 13.8 | PIC1 |
| 2 | I-2510 | 25.4mm | 38.1mm | 25% | 12.7mm | 50.8mm | 12.3 | PIC2 |
| 3 | I-3320 | 50.8mm | 25.4mm | 33% | 12.7mm | 38.1mm | 20.3 | PIC3 |
| 4 | I-5020 | 50.8mm |
25.4mm |
50% | 25.4mm | 50.8mm | 15.7 | PIC4 |
PIC1

PIC2

PIC3
PIC4