Trench Cover

We offer trench cover. 1) bearing bar (load bar) specifications (mm):the specification of plain type and serrated type bearing bar is 20 x 3 to 100 x 10;the specification of i-section type is 25 x 5 x 3, 32 x 5 x 3, 38 x 5 x 3, 40 x 5 x 3, 50 x 5 x 3, 50 x 7 x 4, 55 x 7 x 4, 60 x 7 x 4, 65 x 7 x 4, 70 x 7 x 4, 75 x 7 x 4, etc. 2) bearing bar pitch (center to center):12.5, 15,25, 30, 30.16, 32.5, 34, 40, 41.25, 45, 50, 60, 60.32, 80, 100 mm etc, also be according to client's requirement and 30, 40, 60mm are recommended, america standard is also available 3) cross bar pitch (center to center):38, 50, 76, 100, 101.6mm etc, also be according to client's requirement and 50, 100mm are recommended, america standard is available. 4) material:mild steel (low carbon steel) or stainless steel 5) surface treatment:untreated, painting or hot dip galvanizing