Drainge Pit Covers - Simple and economic construction; surrounded angle bases can be set into the water well cover。
Drainge Pit Covers
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|