Trench Cover - The fixed crossing trench cover is more applicable to the roads with heavy road traffic; it can be load-resisted, anti-shocked, and noise prevented.
Trench Cover
Production Methods:
1. Twisted Steel: the more common method; to twist steel as crossbar.
2. Double Flat Steel: made by interlacing two flat iron.
3. Detailed Type: the main lever spacing of 12.5mm; used for barrier-free space and the general spacing of 30 or 35.3mm.
4. Interspersed Type: Interspersed with round iron to middle of flat steel.
Model | Ditch pitch (mm) | Grating Wide (mm) | Grating Height | |
frame(D) | Cover(d) | |||
CFB-30 | 300 | 422 | 400 | I-50 |
CFB-35 | 350 | 472 | 450 | I-55 |
CFB-40 | 400 | 522 | 500 | I-55 |
CFB-45 | 450 | 572 | 550 | I-65 |
CFB-50 | 500 | 622 | 600 | I-65 |
CFB-55 | 550 | 672 | 650 | I-75 |
CFB-60 | 600 | 722 | 700 | I-75 |