... 3 to 100 x 62).Bearing bar pitches maybe12.5,15,25, 30,34,40,50,60,80mm,of which 30 ... production area.Grating Dimension Bearing bar pitch(mm)12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25 ... ,fences,framedgrates,trash rack grates ,paint backing chambers…… Galvanized High tower fan-shaped plarform